View source for Precipitator3 Data Sections

[[Category:Alumina]] [[Category:Models]]
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{{Precip Header Table|currentpage=5}}

'''Related Links:''' [[Alumina 3 Bayer Species Model]]

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==Precipitator3 Tab==
'''Unit Type: Precipitator3''' - The first tab page in the access window will have this name.
{|   border="1" cellpadding="5" cellspacing="0" 
 |   '''Tag (Long/Short)'''||'''Input / Calc'''||'''Description/Calculated Variables / Options'''
{{Common Data on First Tab Page}}
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 |  colspan="3" font style="background: #ebebeb" |
===Requirements===
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 |	On	||	Tick Box	||	This can be used to take a precipitator off line.  When a precipitator is not ON, the input stream will act as though it has bypassed the precipitator, thus no change will occur in this unit.  This option is useful for feasibility studies of flowsheet configuration.
 |- 
 |	TankBypass  ||	Tick box	||	Feed bypasses entirely to Product, tank contents continue to react. '''Dynamic only''' 
 |- 
 |	Bypass  ||	Tick box	||	Allows bypassing of a fraction of feed directly to outlet.  [[Precipitator3_Model_Options#Bypassing|Bypassing]] for more information. <br> In '''Dynamic''' mode, this represents short-circuiting of feed to product, so will only occur while the tank is overflowing, else all feed is added to tank contents.
 |-
 |	BypassFraction     ||	Input  || How much of the feed to bypass, visible if Bypass is on.
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 |	TankVol	||	Input	|| The precipitation tank volume, used to calculate the residence time.
 |-
 |	LevelControl ||	Tick Box	|| Enable tank level control. '''Dynamic only''' with Underflow connection.
 |-
 |	Level.Spt ||	Input	|| Target level for level control. '''Dynamic only''' with LevelControl enabled.
 |-
 |	Level.QvMin ||	Tick Box	|| Minimum underflow flowrate for level control. '''Dynamic only''' with LevelControl enabled. Default 0.
 |-
 |	Level.QvMax ||	Tick Box	|| Maximum underflow flowrate for level control. '''Dynamic only''' with LevelControl enabled. Default '*' (unrestricted).
 |-
 | BatchMode	||	Tick Box	|| Adds the [[Batch Mode#Batch Tab|Batch]] & [[Batch Mode#Cycle Tab|Cycle]] tabs. The precipitator model will operate in a pseudo-dynamic batch mode, simulating a tank which is filled with separate feed and seed streams, allowed to precipitate, then drained.  See [[Batch Mode]] for more information.\\
|-
 |rowspan=3|EnthalpyCalcs||	'''Original (Hz)'''	||	Original option for compatibility with older projects. To be deprecated.
 |- 
 |		     '''Managed HOR (Hs)'''||User-Specified Reaction Heats.  {{Discussion|[[Discussion: New Reaction Heat Features in Alumina Precipitation Models|New Reaction Heat Features in Alumina Precipitation Models]]}}
 |- 
 |		     '''Species DB HOR (Hf)'''||Reaction Heats Determined from Species Data H25. 
 |-
 |rowspan=3|Cooling	||	'''None'''	||	No cooling required.
 |- 
 |		     '''Embedded'''||Uses embedded cooler for cooling.  User do not need to add the cooler unit. A [[#Cooler Tab|Cooler Tab]] becomes visible and can be configured.  See also [[Precipitator3_Model_Options#Cooling|Cooler Options ]] for more information.
 |- 
 |		     '''External'''||Uses external cooler for cooling. User will need to add the cooler unit separately.  A [[#Cooler Tab|Cooler Tab]] tab becomes visible and can be configured.  See also [[Precipitator3_Model_Options#Cooling |Cooler Options ]] for more information.
 |- 
 |	rowSpan="2"|Reactions	||	'''Off'''	|| No extra reactions 
 |-
 | '''On''' || This allows the user to add extra reactions to the model.  Note that THA precipitation and Soda co-precipitation are built-in reactions, user do not need to specify these.  When this option is on, [[Reaction_Block_(RB)#RB_Section|RB]] becomes visible and may be configured.  See [[Precipitator3_Model_Options#Reactions|Reactions ]] for more information.
 |-
 |	Classification     ||	Tick Box  ||  Only relevant if unit has an [[Precipitation3#Inputs_and_Outputs|Underflow]] connection (from {{Available139|||y}}, the Classification option does not appear unless this is connected) <br>Adds the [[#Classif_Tab|Classif]] tab.  Allows Solid and liquid separation using an internal General Separator model.  See [[Precipitator3_Model_Options#Classification|Classification]] for more information. 
 |- 
 |- 
 |rowspan=3|ThermalOverride ||'''None''' ||	Don't override.
 |- 
 |			     '''TempDrop'''||	Overall heat loss based on Temperature Drop. Note that calculated HOR and cooling effects are ignored as this temperature drop is applied as an overall override.
 |- 
 |		            '''ProductT'''||	Specify the product temperature.
 |- 
 |TempDropReqd / TDropReqd||	Input  || The overall temperature drop required, visible with the TempDrop ThermalOverride Method.
 |- 
 |TemperatureReqd / T_Reqd||	Input  || The overall exit temperature required, visible with the ProductT ThermalOverride Method.
 |- 
 |rowspan=6|ThermalLossMethod <br> (Only visible if the ThermalOverride <br> is set to NONE.)  

|'''None''' || No additional heat loss to the environment or thermal balance overrides.
 |- 
 |'''TempDrop'''|| Additional heat loss based on Temperature Drop. In this case the temperature drop is applied on top of HOR and cooling effects.
 |- 
 |'''FixedLoss'''|| Additional heat loss is expressed as a fixed amount of energy.
 |- 
 |'''Ambient'''|| Additional heat loss is expressed as Energy/degree of temperature difference to ambient.
 |- 
 |'''WindAmbient'''|| More detailed ambient model accounting for wind speed. See [[Precipitator3_Model_Options#Thermal_Loss_Method|Thermal Loss Method]] for equation and limits.
 |- 
 |'''WindAmbient2'''|| More detailed ambient model accounting for wind speed. See [[Precipitator3_Model_Options#Thermal_Loss_Method|Thermal Loss Method]] for equation and limits.
 |- 
 |	TempDropReqd / TDropReqd||	Input  || The temperature drop required (for energy loss not necessarily the overall tank temperature drop), visible with the TempDrop Method.
 |- 
 |	ThermalLossReqd||	Input  || The amount of energy to be lost to the environment, visible with the FixedLoss method. (Positive for heat '''outflow''') 
 |- 
 |	ThermalLossAmbient||	Input  || The amount of energy per degree to be lost to the environment, visible with the Ambient method.
 |-
 |      LocalWindSpeed || Tickbox || Visible with the WindAmbient ThermoLossMethod. Selecting this option allows user to use a local wind speed, this could be different than that specified in the [[Plant Model - Environment]] tab.  If it is not selected, then the value specified in the [[Plant Model - Environment]] will be used.
 |-
 |      WindSpeedUsed || Result || Displays the actual wind speed used.
 |-
 |      WindLossRateK ||	Input  || Rate, visible if WindAmbient option for thermal loss is selected.
 |-
 |	TankSurfaceArea     ||	Input  || Tank external surface area including both top and side, visible if WindAmbient option for thermal loss is selected.
 |-
 |	LocalAmbientT ||	Check Box || Allow individual tank specification of ambient temperature. If off, ''PlantModel.Environment.T'' is used.
 |-
 |	AmbientT.Reqd ||	Input  || Local ambient temperature for thermal loss and evaporation calculations using Ambient. Visible if LocalAmbientT is enabled.
 |-
 |  colspan="3" font style="background: #ebebeb" |&nbsp;
 |- 
 |rowspan=3|[[Precipitator3_Model_Options#Thermal_Modelling|Evaporation]] ||'''None''' ||	No evaporation loss to the environment.
 |- 
 |		          '''Fixed'''||	Fixed evaporation rate. Suggested values are in the range 0.25 to 1.0 t/h.
 |- 
 |		        '''Ambient'''||	Fixed evaporation rate per degree of temperature. Suggested values are in the range of 0.005 to 0.025 t/h.K.
 |-  
 |	Evap.Rate     ||	Input  || The evaporation rate required, visible with the Fixed Method.
 |- 
 |	Evap.Per.degK ||	Input  || The evaporation rate required per degree of temperature, visible with the Ambient method, or overall constant for detailed model. 
 |-
 |	ProdGasEntrainment ||	Input  || The fraction of vapours which report to the ''Product'' stream rather than the ''Vent''. This includes any vapours from the feed stream or gases evolved from reactions. This '''excludes''' water from evaporation. Default 0%. 
 |-
 |font style="background: #ebebeb" colspan="3" |&nbsp; 
 {{OperatingP}}
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 |  colspan="3" font style="background: #ebebeb" |

===PresetData===
(Dynamic Only)
 |-
 |UsePresetImg || Tickbox || Selecting this option will add the Preset + DSp Tabs, allowing user to define a pre-made mixture to be used to preset the contents of the precipitator. 
 |- 
 | Temperature / T || Input || User specified preset Temperature, used when the preset tank command is executed.
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 | Level / T || Input || User specified preset level, used when the preset tank command is executed.
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 |  colspan="3" font style="background: #ebebeb" |

===Options===
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 |	ShowQFeed ||	Tick box	||	Switches on the QFeed tab pages to display the total feed stream properties into the Precipitator.  This is useful if more than one Feed streams are connected to the precipitator.  See [[Material Flow Section]].
 |- 
 |	ShowQTank  ||	Tick box	|| Visible if Bypass is on. Switches on the QTank tab pages to display the tank contents exit stream properties before adding the bypass to give the exit stream (QProd). See [[Material Flow Section]].
 |- 
 |	ShowQEvap ||	Tick box	|| Visible if Evaporation method selected. Switches on the QEvap tab pages to display stream details of the evaporated water. See [[Material Flow Section]].
 |- 
 |	ShowQVent ||	Tick box	|| Visible with Vent connection. Switches on the QVent tab pages to display the vent stream properties from the Precipitator. This may include water vapour from evaporation. See [[Material Flow Section]].
 |- 
 |	ShowQProd ||	Tick box	|| Switches on the QProd tab pages to display the product stream properties from the Precipitator. This may include vent gases if no ''Vent'' stream connected. See [[Material Flow Section]].
 |- 
 |	ShowQTubeIn ||	Tick box	|| Visible if embedded cooling. Switches on the QTubeIn tab pages to display cooling tubes inlet stream properties. See [[Material Flow Section]].
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 |	ShowQTubeOut ||	Tick box	|| Visible if embedded cooling. Switches on the QTubeOut tab pages to display cooling tubes outlet stream properties. See [[Material Flow Section]].
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 |  colspan="3" font style="background: #ebebeb" |

=== Results Tank===
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 |	ResidenceTime	||	 font style="background: #ebebeb"|Calc||	The calculated residence time of the slurry in the unit.
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 |	TotalMass / Mt ||	 font style="background: #ebebeb"|Calc||	The total mass of the slurry in the unit.
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 |	SolidMass / SMt||	 font style="background: #ebebeb"|Calc||	The mass of the solid in the unit.
 |- 
 | Eff.ResidenceTime	||	 font style="background: #ebebeb"|Calc||	Effective solids residence time from Classification.  Note: when classification is used, solids have a longer residence time due to internal recycle.
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 |	Level	|| font style="background: #ebebeb"|Calc|| Tank level as fraction of volume. '''Dynamic Only'''
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 |	QmAcc	|| font style="background: #ebebeb"|Calc|| Nett inflow rate '''Dynamic Only'''
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 |	MtAcc	|| font style="background: #ebebeb"|Calc|| Nett inflow '''Dynamic Only'''
 |- 
 |	SSN_Ratio / SuperSat	||	 font style="background: #ebebeb"|Calc||	The Supersaturation = Product A/C divided by Equilibrium A/C = (A/C) / (ASat / C@25). This is the same as the ratio of A to ASat. A and C are referenced to 25°C.
 |- 
 |	Solids.Conc	||	 font style="background: #ebebeb"|Calc||	The solids concentration in the unit referenced to 25°C. 
 |-
 |  colspan="3" font style="background: #ebebeb" |

===Yield ===
(in grams Al<sub>2</sub>O<sub>3</sub> per liter liquor @ 25C)
 |- 
 |	Yield	||	 font style="background: #ebebeb"|Calc|| The calculated Yield = Gibbsite precipitated as equivalent Alumina per unit volume of feed liqour at 25°C. Note: in Dynamic, this is the difference in THA between feed and product streams, and may be negative or meaningless if tank is filling or in batch operation.
 |- 
 |	YieldRate	||	 font style="background: #ebebeb"|Calc||	Rate of increase in THA solids (gpl/hr) '''Dynamic Only'''
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 |	THA.Precip	||	 font style="background: #ebebeb"|Calc||	The mass of Trihydrate Alumina Al[OH]<sub>3</sub> precipitated in the unit.
 |- 
 |	Al2O3.Precip	||	 font style="background: #ebebeb"|Calc||	The mass of Trihydrate Alumina Al[OH]<sub>3</sub> precipitated in the unit, expressed as Al<sub>2</sub>O<sub>3</sub>.
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 |	Solids.Precip	||	 font style="background: #ebebeb"|Calc||	The mass of solids precipitated in the unit, includes THA, bound soda and bound organics.
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 |  colspan="3" font style="background: #ebebeb" |
===Oxalate ===
(Only visible if the oxalate precipitation is on.)
 |- 
 |	Oxalate.Precip	||	 font style="background: #ebebeb"|Calc||	The mass of oxalate precipitated in the unit.
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 |      Oxalate.Yield   ||	 font style="background: #ebebeb"|Calc||	The mass yield of oxalate in the tank (g Na2C2O4 / L liquor). Only shown in Steady State.
 |-
 |      Oxalate.Solubility   ||	 font style="background: #ebebeb"|Calc||	The oxalate solubility at equilibrium (g Na2C2O4 / L). 
 |-
 |      Oxalate.SSN    ||	 font style="background: #ebebeb"|Calc||	The oxalate relative super saturation level (Ox / Ox* - 1). 
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 |  colspan="3" font style="background: #ebebeb" |
===Results===		
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 |	MassFlowIn / Qmi	||	 font style="background: #ebebeb"|Calc||	The mass flowrate at the inlet conditions.
 |- 
 |	MassFlowOut / Qmo	||	 font style="background: #ebebeb"|Calc||	The mass flowrate at the Product Stream.  Note: If the classification option is on, this shows the classifier overflow (product) flowrate.  The underflow flowrate is shown under the Results Underflow section.
 |- 
 |	MassFlowLoss / QmLoss	||	 font style="background: #ebebeb"|Calc||	This shows the mass flow difference between inlet and outlet streams.  If vapour is present (due to reactions or evaporation) and the vent stream is not connected, then the vapour will be discarded, the mass imbalance value will be shown here.
 |- 
 |	VolFlowIn / Qvi	||	 font style="background: #ebebeb"|Calc||	The volumetric flowrate at the inlet conditions.
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 |	VolFlowOut / Qvo	||	 font style="background: #ebebeb"|Calc||	The volumetric flowrate at the outlet conditions.
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 |	BypassQm	||	 font style="background: #ebebeb"|Calc||	The mass flowrate of the bypass material.
 |- 
 |	BypassQv	||	 font style="background: #ebebeb"|Calc||	The volumetric flowrate of the bypass material. 
 |- 
 |	TemperatureIn / Ti	||	 font style="background: #ebebeb"|Calc||	The inlet temperature.
 |- 
 |	TemperatureOut To	||	 font style="background: #ebebeb"|Calc||	The outlet Temperature.
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 |	ACin	||	 font style="background: #ebebeb"|Calc||	The A/C ratio at the inlet conditions.
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 |	ACout	||	 font style="background: #ebebeb"|Calc||	The A/C ratio at the outlet conditions.
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 |	ACequil	/ ACSat||	 font style="background: #ebebeb"|Calc||	The A saturation at the outlet conditions to C concentration at 25 °C.
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 |	BoundSodaFraction||	 font style="background: #ebebeb"|Calc||	(The bound soda and bound organics precipitation rate expressed as Na<sub>2</sub>O) / (THA precipitation rate expressed as Al<sub>2</sub>O<sub>3</sub>).
 |- 
 |	BoundSodaPrecip||	 font style="background: #ebebeb"|Calc||	The bound soda precipitation rate. If NaOH*(s) is present in the project, this will show the bound soda as NaOH, otherwise this will show bound soda expressed as Na<sub>2</sub>O. 
*The total bound soda/organic precipitated = BoundSodaPrecip + BoundOrganicsPrecip 
 |- 
 |	BoundSodaPerTHA ||	 font style="background: #ebebeb"|Calc||	(The bound soda precipitation rate expressed as "boundsodaspecies") / (THA precipitation rate expressed as Al[OH]<sub>3</sub>).
* The bound soda species is shown in the [[#Bound_Soda_Calculations|Bound Soda Calculations]] section.
|- 
 |	BoundOrganicsPrecip||	 font style="background: #ebebeb"|Calc||	The bound organic precipitation rate - expressed as the bound organic species, such as Na<sub>2</sub>C<sub>5</sub>O<sub>7</sub>*(s).
*The total bound soda/organic precipitated = BoundSodaPrecip + BoundOrganicsPrecip  
 |-
 |  colspan="3" font style="background: #ebebeb" |

===Results Underflow===
Only visible with Classification option selected.
 |- 
 |	UF.MassFlow / UF.Qm||	 font style="background: #ebebeb"|Calc||	The mass flow of the underflow stream.
|- 
 |	UF.SolidMassFlow / UF.SQm||	 font style="background: #ebebeb"|Calc||	The solid mass flow of the underflow stream.
|- 
 |	UF.SolidFrac / UF.Sf||	 font style="background: #ebebeb"|Calc||	The solid mass fraction of the underflow stream.
|- 
 |	UF.VolFlowOut / UF.Qv||	 font style="background: #ebebeb"|Calc||	The volumetric flow of the underflow stream.
 |}

== Precip Tab ==

{|   border="1" cellpadding="5" cellspacing="0" 
 |   '''Tag (Long/Short)'''||'''Input / Calc'''||'''Description/Calculated Variables / Options'''
 |-
 | Precip.On || Tickbox  || Enable precipitation chemistry functionality. '''Dynamic only'''
 |- 
 | rowspan=2|Precip.Method ||  '''SSA'''|| Uses the specified seed surface area estimated from the input stream conditions. User can specify a SSA value by ticking the OverrideSSA option.  NOTE: If there is a PSD in the feed, it will be removed from the outlet stream.
 |- 
 | '''PSD'''|| Use the Full Particle Size Distribution (PSD). Refer to [[Alumina3 Precip - Full PSD]] for more information.
 |-
 |  colspan="3" font style="background: #ebebeb" | 
===Hydrate Precipitation===
 |- 
 | rowspan=5|GrowthMethod|| '''Fixed''' || User specifies a fixed alumina precipitation rate (as a mass flow rate).
 |- 
 | '''FixedRate'''|| The alumina precipitation rate is calculated from a fixed user specified growth rate.
 |- 
 | '''White-Bateman'''|| The alumina precipitation rate is calculated using the White Bateman correlations [2]. See [[Precipitator3_Model_Theory#White-Bateman Method|Growth Rate Theory]] for information.
 |- 
 | '''Veesler-Boistelle'''|| The alumina precipitation rate is calculated using the Veesler Boistelle correlations [7].  See [[Precipitator3_Model_Theory#Veesler-Boistelle Method|Growth Rate Theory]] for information.
 |- 
 | '''SSA Yield'''|| The alumina precipitation rate is calculated taking into account factors of free caustic, total organic carbon, soda concentration and SSA. See [[Precipitator3_Model_Theory#SSA Yield Method|Growth Rate Theory]] for information.
 |-
 | GrowthAsDeposition || Input || {{Removed139}} Defines growth rate as radial/crystal growth (true) or diametric/particle growth (false).
 |-
 | UseCorrectedGrowthRate || Input || {{Available139}} (May be visible if upgrading project.) Removes ''GrowthAsDeposition'' option - radial and diametric growth are both calculated and applied as required by different growth and agglomeration methods. '''Recommend this box be checked and model retuned if necessary.'''
 |-
 | GrowthRateCorr || Input || Growth rate correction factor, applied to all methods except '''Fixed'''.
|- 
 | VolumeCorrection || Tickbox  || Reduces precipitation rate for alumina and bound soda to account for excess volume in Dynamic calculation step. May be useful for large time steps. Default off. '''Dynamic only'''
 |- 
 | SeedSSA || Tickbox  || Visible with Precip.Method set to SSA.  If aluminate is available but no solid THA is present, this will seed a small arbitrary mass of THA and creates the SSA quality at 0.050 m^2/g. This can assist with start-up from reset.
 |- 
 | OverrideSSA || Tickbox  || Visible with Precip.Method set to SSA.  Allows user to specify a SSA value for the precipitation tank. Any feed stream value will be ignored.
 |- 
 | AdjustProdSSA || Tickbox  || Adjust product stream SSA to account for particle growth (using spherical model).  
*When using the SSA method, the adjusted product SSA = FeedSSA * [(FeedSolidMass/ProductSolidMass)^(1/3)]
*If unchecked, the product SSA will be the same as the feed SSA (when Precip.Method is StreamSSA) or the user specified SSA (when Precip.Method is UserSSA).  
*Not visible when Precip.Method is FullPSD. In a full PSD model, the SSA may increase or decrease depending on the initial size distribution and the effects of nucleation and agglomeration, so this should be used with care.
 |- 
 | UserFeedSSA / SSA || Input  || The seed surface area specified directly by the user. Any SSA value, if present, in the feed stream is ignored. Visible when Precip.Method is SSA.
 |- 
 | SSAin ||  font style="background: #ebebeb"|Calc  || The current SSA value from feed stream.
 |-
 | SSAUsed ||  font style="background: #ebebeb"|Calc  || The SSA value used in the calculations as per the above inputs. 
 |-
 | THA.Density ||  font style="background: #ebebeb"|Calc  || The THA species solids density (used in GrowthRate calculation).
 |-
 |  colspan="3" font style="background: #ebebeb" | Variables for the '''Fixed''' GrowthMethod
 |- 
 | Precip.Rate || Input  || The user specified precipitation rate.
 |-
 |  colspan="3" font style="background: #ebebeb" | Variables for the '''FixedRate''' GrowthMethod
 |- 
 | FixedGrowthRate || Input  || The user specified growth rate.
 |-
 |  colspan="3" font style="background: #ebebeb" | Variables for the '''White-Bateman''' GrowthMethod
 |- 
 |	ER_White || Input  || The Activation Energy (E) divided by the Gas Constant (R), in units Kelvin.
 |- 
 |	K_White || Input  || The Constant used in the Growth Rate Factor correlation.
 |- 
 |	gF_White || Input  || This allows the user to tune the growth rate based on a factor.
 |- 
 |  colspan="3" font style="background: #ebebeb" | Variables for the '''Veesler-Boistelle''' GrowthMethod
 |- 
 | ER_VB || Input  || The Activation Energy (E) divided by the Gas Constant (R), in units Kelvin.
 |- 
 | K_VB || Input  || Overall growth rate constant.
 |- 
 | Beta.Critical || Input  || Critical supersaturation (nominally 1), must be exceeded for growth to occur
 |- 
 | N_VB || Input  || Exponent g for relative supersaturation term <math>(\beta-\beta_c)^g</math>
 |- 
 |  colspan="3" font style="background: #ebebeb" | Variables for the '''SSA Yield''' GrowthMethod
 |- 
 | ActivationEnergy/R || Input  || The Activation Energy (E) divided by the Gas Constant (R), in units Kelvin.
 |- 
 | K0 || Input  || The Constant used in the Growth Rate Factor correlation. Default value for K_0 is 2.2*10<sup>11</sup>. This value is typically tuned for plant conditions. It may need adjustment as additional terms described below are adjusted.
 |- 
 | n_TOC || Input  || Organics term = <math>e^{-n_{TOC} \quad \times \; TOC}</math>. Using zero for n_TOC will remove TOC dependence.
 |- 
 | n_s || Input  || Total Soda effect = S<sup>n_s</sup>. Using zero for n_s will remove the precipitation dependence on soda.
 |- 
 | n_fc || Input  || Free Caustic – Free caustic is the sodium hydroxide in solution that is not associated with dissolved alumina. KFreeCaustic = FC<sup>n_fc</sup>.Using zero for n_fc will remove the precipitation dependence on free caustic.
 |- 
 | n_C || Input  || Additional Caustic effect term C<sup>n_C</sup>. The default value is zero.
 |- 
 | n_AC || Input  || This is the n factor for the supersaturation driving force term. <math> \left( \frac{A_{out} - A^*}{C} \right)^n </math>.  The default value is 2.
 |- 
 | n_ssa || Input  || Specific Surface Area, SSA. This correction accounts for the fact that the effective surface area for precipitation may not scale linearly with SSA.  Kssa = SSA<sup>n<sub>ssa</sub></sup>. The default value for n<sub>ssa</sub> is 1.0 (making precipitation rates linearly proportional to SSA).
 |-
 |  colspan="3" font style="background: #ebebeb" | GrowthMethod Results
 |-
 | kG ||  font style="background: #ebebeb"|Calc|| kG constant for the GrowthMethod
 |-
 | GrowthRateFactor ||  font style="background: #ebebeb"|Calc|| Product of kG and <math> e^{-E/RT} </math>
 |-
 | GrowthRateR || font style="background: #ebebeb"|Calc|| Radial (i.e. crystal) growth rate. This is the growth rate term multiplied against particle surface area to determine precipitation rate. See [[Precipitator3_Model_Theory#Growth Rate Methods|Growth Rate Methods]] for more details.
 |-
 | GrowthRateD || font style="background: #ebebeb"|Calc|| Diametric (i.e. particle) growth rate. GrowthRateD = 2 x GrowthRateR
 |-
 |  colspan="3" font style="background: #ebebeb" | Precip Heat of Reaction
 |-
 |	UserHOR     ||	Tickbox || Option for User to enter Heat of Reaction for Gibbsite Precipitation reaction (kJ/kg-Gibbsite). The default value is -252.3 kJ/kg-Gibbsite at 0°C. NB this is an exothermic reaction and energy is released as Gibbsite precipitates. For reference, please refer to [[Heat of Dissolution of Gibbsite and Boehmite]]
 |-
 |	User.GibbsiteHOR@0C ||  Input  || The Gibbsite precipitation HOR value to be used. Only available when UserHOR is selected. NB a positive entry generates a warning message as the HOR shold be negative.  For reference, please refer to [[Heat of Dissolution of Gibbsite and Boehmite]]
 |-
 |	GibbsiteHOR@0C ||  font style="background: #ebebeb"|Calc  || The Gibbsite precipitation HOR value used. -252.3 kJ/kg-Gibbsite at 0°C if UserHOR is not selected.  For reference, please refer to [[Heat of Dissolution of Gibbsite and Boehmite]]
 |-
 |	AluminaHORMethod ||  Input  || Different Methods for specifying Alumina Heat of Reaction (New)
 |-
 |  colspan="3" font style="background: #ebebeb" |

=== Bound Soda Calculations===
 |-
 | rowspan=3|BoundSodaMethod <br> (Not visible with Fixed GrowthMethod) || Ohkawa|| Ohkawa, Tsuneizumi and Hirao [5] method with corrections for bound soda as Na2O and NaOH* - now the default method. See [[Precipitator3_Model_Theory#Ohkawa|Bound Soda Theory]] for information.
 |- 
 | Hunter|| Armstrong, Hunter, McCormick and Warren. [6] correlation, see [[Precipitator3_Model_Theory#Hunter|Bound Soda Theory]] for information.  
 |- 
 | Fixed %|| Calculates a fixed percentage of soda co-precipitation with the precipitated hydrate. This specifies soda as NaOH as a mass fraction of alumina as THA.
 |-   
 | K_tuneBS || Input || The tuning factor for the bound soda calculation.
 |- 
 | K1 || Input || The soda factor. The default value is 1.27*10<sup>-3</sup>.
 |-
 | E_SODA || Input  || Constant used in the bound soda calculation, default is 2535 K<sup>-1</sup>
 |- 
 | BoundSodaFrac || Input  || Visible when BoundSodaMethod is set to Fixed. The user specified bound soda fraction.
 |-
 | BoundSodaSpecies || Text  || Display the bound soda species used for occlusion.  If NaOH* is present, it will be used, if not, the project will use Na2O.  If neither is present, the project will force add Na2O(s) to the species list.
 |-
 | BoundSoda_OrgPart || Input  || The percentage of bound soda precipitated as organics.  If the bound organic species is not present in the project, a warning message: ''Organics precipitation and BoundSoda_OrgPart not available:Matching bound organic solid for Na2C5O7(aq) not found'' will be given.  See [[Precipitator3_Model_Theory#Bound_Soda_.2F_Organic_distribution|Bound organics]] for more information.  
 |-
 |  colspan="3" font style="background: #ebebeb" |

=== Oxalate Calculations===
 |-
| rowspan=4|OxalatePrecip || None || No oxalate co-precipitation occurs.
|-
| Fixed || Oxalate co-precipitation will occur at a user specified fixed rate.
|-
| Supersaturation || The oxalate supersaturation form uses a driving rate proportional to the square of the oxalate supersaturation above an optional metastable value.  <br> Please note that this is only a made up equation with no theory or experimental data to support it.  It is added here so the precipitation can be varied based on the tank conditions.  <br> For users with their own correlation data, it will be highly recommended to calculate the rate using general controller or MP file, then set the oxalate precipitation rate using the Fixed Method.  <br> See [[Precipitator3_Model_Theory#Supersaturation|Oxalate Precipitation Theory]] for more information.
|-
| McKinnon || McKinnon, Parkinson and Beckham [8] equation, see [[Precipitator3_Model_Theory#McKinnon|Oxalate Precipitation Theory]] for information.
|-
|OxalateReqd || Input || Visible with OxalatePrecip set to ''Fixed''.  User defines the amount of oxalate precipitation as a fixed amount.  If user correlation is available, the oxalate precipitation can be calculated in a PGM or MP file using the correlation, then set the calculated rate here.
|-
| OxSSatReqd || Input || Oxalate supersaturation fraction (Ox / Ox* - 1) required for oxalate precipitation, used to account for metastability. Used by the ''Supersaturation''  method. 
|-
| OxSSatK || Input || Constant used by the ''Supersaturation'' oxalate precipitation method. 
|-
| OxalateRateFactor || Input || Oxalate precipitation rate tuning factor used by the ''McKinnon'' method. 
|-
| colspan="3" font style="background: #ebebeb" |

=== Solution Convergence===
(Not visible if using Batch Mode)
 |- 
 | UseLastConverged || Tickbox  ||	If selected, will restart solution iteration at last converged state. If the solution is nearly converged, this will speed up the iteration. If the solution was converged, and nothing else is changed it should immediately converge. 
 |-
 | Convergence.Limit ||  Input  || Global tolerance for testing convergence for iterative calculation in all precipitator tanks. Default is 1.0e-8. 
 |-
 | Thermal.Damping ||  Input  || Damping for energy convergence. Default of 0.
 |-
 | Mass.Damping ||  Input  || Damping for mass convergence. Default of 0. This value may need to be increased, often significantly 80% plus, for a precip tank with a significant change. Try increasing this when failed to converge error message is shown.
 |-
 | Ext.FlowDamping ||  Input  || Damping for external cooling volume flow convergence when using external cooling. Default of 0.
 |-
 | ClassifierError ||  Tickbox  || Include classifier recycle in overall convergence
 |-
 | NumberErrors||  Tickbox  || Include PSD numbers in overall convergence
 |-
 | PSDErrScale||  Input || Relative Contribution of PSD Error
 |-
 | MinIterations ||  Input  || Minimum number of iterations for the convergence loop.
 |-
 | MaxIterations ||  Input  || Maximum number of iterations for the convergence loop.
 |-
 | Iterations ||  font style="background: #ebebeb"|Calc  || Number of iterations solved.
 |-
 | Yield Error ||  font style="background: #ebebeb"|Calc  || Error in convergence of yield calculations
 |-
 | PSDError ||  font style="background: #ebebeb"|Calc  || Error in convergence of particle numbers.
 |-
 | ClassifyError ||  font style="background: #ebebeb"|Calc  || Error in convergence of classifier recycle.
 |-
 | TotalError ||  font style="background: #ebebeb"|Calc  || Total Error.
 |-

 | colspan="3" font style="background: #ebebeb" |
=== Dynamic Time Step===
(Options for additional internal iterations at smaller time steps for dynamic calculation. Allows for higher precision precipitation in projects with large step sizes. Note: This may cause increased project solve time. '''Dynamic Only''')
 |- 
 | rowspan=3|Safety.TimeStep ||  Iteration Count|| Use a specified number of internal time steps. <br> E.g. if the [[Solver_Set_up_for_Dynamic_Projects#Method|Dynamic Solver Step Size]] is 300s and ''IntegrationSteps'' = 5, then 5 internal time steps of 60s each will be used.
 |- 
 | Max Time Step|| Use a specified maximum internal time step. The number of internal iterations will depend on the [[Solver_Set_up_for_Dynamic_Projects#Method|Dynamic Solver Step Size]]. Input value is local to the tank. <br> E.g if the project time step is 300s and ''MaxTimeStep'' = 120s, then 3 internal time steps of 100s each will be used.
 |-
 | Max Time Step Global|| As with '''Max Time Step''' but the input value is global.
 |-
 | IntegrationSteps ||  Input  || Input for ''Iteration Count''.
 |-
 | MaxTimeStep ||  Input  || Local input for ''Max Time Step''.
 |-
 | Global.MaxTimeStep ||  Input  || Global input for ''Max Time Step Global''.
 |-
 | IntegrationStepsUsed ||  font style="background: #ebebeb"|Calc  || The number of internal time steps used. Visible with ''MaxTimeStep''' or ''Global.MaxTimeStep'''.
 |-

| colspan="3" font style="background: #ebebeb" |

=== Thermal and Mass Balance===
 |-
 |	Env.Thermal.Loss||  font style="background: #ebebeb"|Calc|| The amount of energy lost to the environment.
 |-
 |	Evap.Mass.Loss||  font style="background: #ebebeb"|Calc|| The evaporation mass rate
 |-
 |	Evap.Thermal.Loss||  font style="background: #ebebeb"|Calc|| The amount of energy lost through evaporation.
 |-
 |  colspan="3" font style="background: #ebebeb" | ''Batch.Evap'' (only visible if both the BatchMode and Evaporation options are ON)
 |-
 | Feed.Evap.T ||  font style="background: #ebebeb"|Calc|| the PGL feed temperature after evaporation (only visible if both the BatchMode and Evaporation options are ON)
 |-
 | Feed.Evap.DeltaT ||  font style="background: #ebebeb"|Calc|| the temperature drop in the feed stream (only visible if both the BatchMode and Evaporation options are ON)
 |-
 |	Cooler.Thermal.Loss||  font style="background: #ebebeb"|Calc|| The amount of energy transferred through the cooler.
 |-
 |	Total.Thermal.Loss||  font style="background: #ebebeb"|Calc|| Total amount of energy loss: Evap + Env + Cooler.
 |-
 |	ReactionHeat@0||  font style="background: #ebebeb"|Calc|| The amount of energy released by the precipitation reaction at the 0dC temperature.
 |-
 |	ReactionHeat(@T)||  font style="background: #ebebeb"|Calc|| The amount of energy released by the precipitation reaction at the product temperature.
 |-
 |  colspan="3" font style="background: #ebebeb" |

===Stream Enthalpy===
 |-
 |	HzIn||  font style="background: #ebebeb"|Calc|| Enthalpy flux into Precipitator.
 |-
 |	HzEvap||  font style="background: #ebebeb"|Calc|| Enthalpy flux to Evaporation.
 |-
 |	HzOut||  font style="background: #ebebeb"|Calc|| Enthalpy flux of the product stream.  If classifier option is being used, then this will only show the overflow stream, the underflow stream will be shown in UF.HzOut.
 |-
 |	UF.HzOut||  font style="background: #ebebeb"|Calc|| Enthalpy flux of the underflow stream.  Only visible if classifier option is being used.
 |-
 |	HzBal||  font style="background: #ebebeb"|Calc|| Enthalpy out minus enthalpy in. This is the net of heat transfer, evaporation loss and reaction heat (NB Rxn heat measured at 0°C reference temperature).
 |-
 |	FeedHf||  font style="background: #ebebeb"|Calc|| The total energy of the feed.
 |-
 |	ProdHf||  font style="background: #ebebeb"|Calc|| The total energy of the product.
 |-
 |	EvapHf||  font style="background: #ebebeb"|Calc|| The total energy of the material evaporated from the precipatator, if evaporation is used.
 |}

== Cooler Tab ==

{|   border="1" cellpadding="5" cellspacing="0" 
 |   '''Tag (Long/Short)'''||'''Input / Calc'''||'''Description/Calculated Variables / Options'''
 |-
 |  colspan="3" font style="background: #ebebeb" | 
'''FOR EMBEDDED COOLING OPTION'''
 |- 
 |	Cooler.On||	tick box || Switches the cooler on/off
 |- 
 | rowspan=3|Cooling.Type||	'''Fixed.dQ''' || User specifies the energy change required.
 |- 
 |		          '''Fixed.dT'''||	User specifies the temperature change required.
 |- 
 |		        '''HeatExchange'''|| User specifies the HTC, Area and flow for heat exchange.
 |-
 |  colspan="3" font style="background: #ebebeb" | Variables for the '''Fixed.dQ''' method
 |- 
 |	dQ || Input  || The user specified change of energy.
 |-
 |  colspan="3" font style="background: #ebebeb" | Variables for the '''Fixed.dT''' method
 |- 
 |	dT || Input  || The user specified change of temperature.
 |-
 |  colspan="3" font style="background: #ebebeb" | Variables for the '''HeatExchange''' method
 |- 
 |	HX.Area || Input  || The user specified heat transfer area.
 |- 
 |	HX.HTC|| Input    || The user specified heat transfer coefficient.
 |- 
 |	By.Vol.Flow || tick box || Slurry to "cooler" can be specified in mass or volumetric flows
 |-
 |  colspan="3" font style="background: #ebebeb" | ''Heat Exchanger''
 |- 
 |	Cooling.MassFlow / Cooling.Qm || Input / Calc    || The slurry mass flow to be cooled by the "cooler".  Input allowed when By.Vol.Flow is not selected.
 |- 
 |	Cooling.VolFlow / Cooling.Qv || Input / Calc    || The slurry volumetric flow to be cooled by the "cooler". Input allowed when By.Vol.Flow is selected.
 |- 
 |	Hx.UA|| font style="background: #ebebeb"|Calc    ||  heat exchanger UA.
 |- 
 |	Hx.LMTD|| font style="background: #ebebeb"|Calc    || heat exchanger log mean temperature difference. 
 |- 
 |	Liquor.Tin || font style="background: #ebebeb"|Calc    || The slurry temperature into the "cooler". 
 |- 
 |	Liquor.Tout|| font style="background: #ebebeb"|Calc    || The slurry temperature out of the "cooler". 
 |-
 |  colspan="3" font style="background: #ebebeb" | ''Coolant''
 |- 
 |	Water.Flow|| font style="background: #ebebeb"|Calc    || Displays the CW mass flow into the "cooler" via the Cool_in connection. 
 |- 
 |	Water.Vol.Flow|| font style="background: #ebebeb"|Calc    || Displays the CW volumetric flow into the "cooler" via the Cool_in connection. 
 |- 
 |	Water.Tin|| font style="background: #ebebeb"|Calc    || Displays the CW temperature into the "cooler" via the Cool_in connection. 
 |- 
 |	Water.Tout|| font style="background: #ebebeb"|Calc    || Displays the CW temperature out of the "cooler" via the Cool_out connection. 
 |- 
 |	Cooling.Rate|| font style="background: #ebebeb"|Calc    || The rate of cooling.
 |-
 |  colspan="3" font style="background: #ebebeb" | 
'''FOR EXTERNAL COOLING OPTION'''
 |- 
 |	By.Vol.Flow || tick box || Slurry to "cooler" can be specified in mass or volumetric flows
 |- 
 |	Ext.Cooling.VolFlow / Ext.Cooling.Qv|| Input / Calc    || Input or displays the mass flow into the external cooler via the Cool_in connection, depends on the By.Vol.Flow option. 
 |- 
 |	Ext.Cooling.MassFlow / Ext.Cooling.Qm|| Input / Calc    || Input or displays the mass flow into the external cooler via the Cool_in connection, depends on the By.Vol.Flow option.
 |- 
 |	Ext.Cooling.Temperature / Ext.Cooling.T|| font style="background: #ebebeb"|Calc   || The temperature of the "cooled" side stream returning to the precipitator.
 |- 
 |	Ext.Cooling.TotHzOut|| font style="background: #ebebeb"|Calc   || The total energy of the side stream leaving the precipitator.
 |- 
 |	Ext.Cooling.TotHzIn|| font style="background: #ebebeb"|Calc   || The total energy of the side stream returning to the precipitator.
 |- 
 |	Cooling.Rate|| font style="background: #ebebeb"|Calc   || The rate of cooling.
 |-
 |}

== PSD Tab==

'''Only visible when Precip.Method = PSD'''.  Please See [[Alumina3_Precip_-_Full_PSD | Precipitation using Full PSD]] for more information on theory and method. 

{|   border="1" cellpadding="5" cellspacing="0" 
 |   '''Tag (Long/Short)'''||'''Input / Calc'''||'''Description/Calculated Variables / Options'''
 |-
 | PSDDefinition || List Box || Any predefined PSD definition in the [[Alumina3_Precip_-_Full_PSD#Setting_up_the_PSD_Definition|project configuration file]] can be selected from this list.
 |-
 |  colspan="3" font style="background: #ebebeb" | 
===PSD Control===
 |- 
 | Growth.On ||	Tick Box || Selecting this will enable [[Alumina3_Precip_-_Full_PSD#Growth|growth]] rate calculation.  Please see also [[Precipitator3_Model_Theory#Growth_Rate_Methods|Growth Rate Methods]]
 |- 
 | Agglom.On ||	Tick Box || Selecting this will enable [[Alumina3_Precip_-_Full_PSD#Agglomeration|agglomeration]] calculation.  Please see also [[Alumina3_Precip_-_Full_PSD#Implementation_of_a_size_dependent_kernel|Implementation of a size dependent kernel]]
 |- 
 | Nucleation.On ||	Tick Box || Selecting this will enable [[Alumina3_Precip_-_Full_PSD#Nucleation|nucleation]] rate calculation.  <math> N = 5.0\times 10^8 \left(\frac{A-A^*}C\right)^2\sigma</math>  
 |-
| SodaWithNucleation || Tick Box || When this option is ticked, the [[Precipitator3_Model_Theory#Bound_Soda|bound soda calculations]] will be based on the total yield (growth + nucleation).  If this is not ticked, the nucleation yield will be excluded in the bound soda calculations.
 |- 
 | NonPSDSolids || Tick Box || Selecting this will include Non THA Solids in PSD Mass
 |- 
 | AllSolidsDensity|| Tick Box || Selecting this will include Non THA Solids in PSD Density
|-
 | SeedPSD ||	Tick Box || Selecting this will allow SysCAD to auto generate a small quantity of seed if '''no''' THA solid was found in the Precipitation Feed. (In the case of a Dynamic Model, no THA solid present in the tank contents.) The generated amount will be sufficient to seed a tank and allow precipitation to occur in the tank.  When solids returns to the tank via the proper seed streams, the recycled solids will take over and SysCAD will no longer generate any extra solids.  See [[Alumina3_Precip_-_Full_PSD#Using the Full PSD model|Using the Full PSD model]].
 |- 
 | Area.Correction || Input || Scaling for nonsphericity.  See [[Alumina3_Precip_-_Full_PSD#Area Correction|Area Correction]] 
 |-
 | AcknowledgePSDOutletChange || Tick Box || {{Available139|30807}} This checkbox will appear if the outlet Product stream had [[Size Distribution (PSD)#Creating a Size Distribution in a Stream|PSD action Create or Modify]]. Prior to this build, data from Create/Modify in the Product stream was able to affect the upstream unit model behaviour. Until this tickbox is checked to acknowledge the change, the model is unable to run. '''Model results will need to be reviewed and model may need to be retuned.'''
 |-
 |  colspan="3" font style="background: #ebebeb" |

===PSD Display=== 
 |- 
 | ShowRates ||	Tick Box || Selecting this will enable the display of Particle Size Number Data Table on the PSD tab.   Please see [[Alumina3_Precip_-_Full_PSD#Using_the_new_model|Show Rates]]
 |- 
 | DisplayAsFraction ||	Tick Box || When this option is ticked, the rates (Growth, Agglom, etc.) are normalised by dividing by the particle numbers: that is, displayed as a fraction of the particle number.
 |- 
 | ShowAgglomKernel ||	Tick Box || Global option to show [[Precipitator3_Data_Sections#dKernel and Kernel Tabs|''Kernel'' tab]] with agglomeration kernel beta terms. Note these values are the "raw kernel" before the inclusion of agglomeration rate or collision effects.
 |- 
 | TrackUltrafines ||	Tick Box || Warn if mass is present in smallest size bin - this is moved to next bin up.
 |-
 |  colspan="3" font style="background: #ebebeb" |

===[[Alumina3_Precip_-_Full_PSD#Agglomeration|Agglomeration]] Parameters===
 |- 
 | Agglom.UseMidSize || Tick Box || Use PSD interval mid size (geometric mean) (checked) or top size (unchecked) for Agglomeration Kernel calculations. Only applicable for some options of ''Agglom.Kernel.Type''.
 |- 
 | rowspan=5|Agglom.Kernel.Type ||	'''Size Independent''' || Ilievski size independent kernel (Light Metals, 1982). This assumes that all interactions are equally likely to cause an agglomeration event (i.e. beta = 1 for all size combinations). This option is typically paired with ''Agglom.Rate.Type'' '''Supersaturation'''.
 |-
 | '''Ilievski''' || The kernel is of the form: <math> \frac {1}{D_{i}+D_{j}}</math>. See [[Alumina3_Precip_-_Full_PSD#Implementation_of_a_size_dependent_kernel | Size Dependent Kernel]] for more information. This option is typically paired with ''Agglom.Rate.Type'' of form '''Growth/Beta4'''.<br>From {{Available139|||y}}, this is the default selection and <math>D_{i}+D_{j}</math> is replaced by <math>2.\sqrt[m]{\frac{1}{2}(D_i^m+D_j^m)}</math>, twice the Generalised Mean (see [https://en.wikipedia.org/wiki/Generalized_mean Wikipedia]) of the interacting particle sizes with power <math>m</math> (''Agglom.GenMeanPow''). At default <math>m=1</math> this is simply the sum. 
 |- 
 | '''David-Rijkeboer''' || The kernel is of the form: <math>1e9 \left( 1e9 \lambda_{trans}R_{L:T}\beta_{ij,L} + \left( 1 - \lambda_{trans} \right) \beta_{ij,T} \right)</math>. See [[Alumina3_Precip_-_Full_PSD#David-Rijkeboer Kernel | David-Rijkeboer Kernel]] for more information. 
 |- 
 | '''User''' || This option allows manual input of the agglomeration kernel on the [[Precipitator3_Data_Sections#dKernel and Kernel Tabs|''dKernel'' tab]]. 
 |- 
 | '''Kernel Builder''' || Enables the [[Alumina3_Precip_-_Full_PSD#Kernel Builder|Kernel Builder]], available on the [[Precipitator3_Data_Sections#dKernel and Kernel Tabs|''dKernel'' tab]].
 |- 
 | rowspan=4|Agglom.Rate.Type ||	'''Constant''' || The calculated agglomeration rate is set to 1, so in effect agglomeration rate is set directly using ''Agglom.Rate.Correction''. This is equivalent to the option ''Agglom.RawKernel'' prior to {{Removed139|||y}}.
 |-
 | '''Supersaturation''' || The agglomeration rate is governed by a single equation dependant on temperature and liquor properties. Agglomeration rate is in the form: <math> 1.77\times 10^{-4} \times \left(\frac{A-A^*}C\right)^4</math> .  This option is typically paired with ''Agglom.Kernel.Type'' '''Size Independent'''.
 |- 
 | '''Growth/Beta4(T)''' || The agglomeration rate is of the form: <math> \frac {G^n}{\beta_4(T)}</math> where the calculated <math>\beta_4</math> is a function of Temperature only. See [[Alumina3_Precip_-_Full_PSD#Implementation_of_a_size_dependent_kernel | Size Dependent Kernel]] for more information. This option is typically paired with ''Agglom.Kernel.Type'' '''Ilievski'''. From {{Available139|||y}}, this is the default selection.
 |- 
 | '''Growth/Beta4(T,Sh)''' || The agglomeration rate is of the form: <math> \frac {G^n}{\beta_4(T,Sh)}</math> where the calculated <math>\beta_4</math> is a function of Temperature and Shear Rate.  See [[Alumina3_Precip_-_Full_PSD#Implementation_of_a_size_dependent_kernel | Size Dependent Kernel]] for more information. This option is typically paired with ''Agglom.Kernel.Type'' '''Ilievski'''.
 |- 
 | rowspan=2|Agglom.Collision.Type || '''Restricted-in-Space''' || This option assumes a particle can only interact with particles in its immediate vicinity, restricting the number of possible collisions. Applies a division by total particle count <math>N_T</math> .  See [[Alumina3_Precip_-_Full_PSD#Free-in-space_vs_Restricted-in-space_agglomeration_forms | Free-in-Space vs Restricted-in-Space]].
 |-
 | '''Free-in-Space''' || This option assumes the agglomeration rate is proportional to the total number of possible collisions between particles, any particle is free to collide with any other particle.  Applies a division by 10<sup>9</sup> (or 10<sup>12</sup> prior to {{Removed139|||y}}) to maintain a similar order of magnitude as '''Restricted-in-Space'''.  See [[Alumina3_Precip_-_Full_PSD#Free-in-space_vs_Restricted-in-space_agglomeration_forms | Free-in-Space vs Restricted-in-Space]].
 |- 
 | Agglom.UseCorrectedCollision || Tick Box || {{Available139}} (For backwards compatibility, may be visible if upgrading projects). Simplifies the FIS and RIS corrections, as described above. '''Recommend this box be checked and model retuned as necessary.'''
 |- 
 | Agglom.SolidsFracPow || Input || Power term for effect of solids volume fraction on agglomeration rate. Default 0.
 |- 
 | Agglom.GrowthRatePow || Input || Used with ''Agglom.Rate.Type'' of form '''Growth/Beta4'''. Power term for effect of growth rate on agglomeration rate. Default 1.
 |- 
 | Agglom.Cutoff || Tick Box || If selected, then particles greater than '''Agglom.Cutoff.Size''' will not agglomerate.
 |- 
 | Agglom.Cutoff.Size || Input || Maximum size for agglomerating particles.  Only visible when Agglom.Cutoff is selected.
 |- 
 | Agglom.Cutoff.Used|| Input || Actual size used for agglomerating particles.  Only visible when Agglom.Cutoff is selected.
 |- 
 | Agglom.GenMeanPow ||	Input  ||  Available with ''Agglom.Kernel.Type'' '''David-Rijkeboer''' and '''David-Rijkeboer'''. Power term for [https://en.wikipedia.org/wiki/Generalized_mean Generalised Mean] of particle size interactions. Default 1 to give arithmetic mean (i.e. proportional to sum).</br>For ''Agglom.Kernel.Type'' '''David-Rijkeboer''' this applies to the Laminar portion.
 |-
 | Agglom.GenMeanPow2 || Input  || Available with ''Agglom.Kernel.Type'' '''David-Rijkeboer'''. As above.</br>For ''Agglom.Kernel.Type'' '''David-Rijkeboer''' this applies to the Turbulent portion.
 |-
 | Agglom.DR.MinSize||	Input  ||  Available with ''Agglom.Kernel.Type'' '''David-Rijkeboer'''. The Batchelor microscale, below which no agglomeration occurs.
 |-
 | Agglom.DR.MaxSize||	Input  ||  Available with ''Agglom.Kernel.Type'' '''David-Rijkeboer'''. The Taylor microscale, above which no agglomeration occurs.
 |-
 | Agglom.DR.TransSize|| Input  ||  Available with ''Agglom.Kernel.Type'' '''David-Rijkeboer'''. The Kolmogorov microscale, where agglomeration transitions from laminar to turbulent regime.
 |-
 | Agglom.DR.TransSharp|| Input  ||  Available with ''Agglom.Kernel.Type'' '''David-Rijkeboer'''. Sharpness of the Kolmogorov transition.
 |-
 | Agglom.DR.LTRatio||	Input  ||  Available with ''Agglom.Kernel.Type'' '''David-Rijkeboer'''. Multiplier to correct the order of magnitude of the laminar kernel before summation with the turbulent kernel. Internally, a hard-coded 1e9 is applied, such that this user input should be close to 1.
 |-
 | Agglom.CalcBeta4 || Tick Box || Used with ''Agglom.Rate.Type'' of form '''Growth/Beta4'''. Calculate (On) or user supplied (Off) ''<math>\beta_4</math>'' in the Agglomeration Kernel equation.
 |- 
 | Agglom.UserBeta4 || Input || Used with ''Agglom.Rate.Type'' of form '''Growth/Beta4'''. User specified ''<math>\beta_4</math>'' for use in the Agglomeration Kernel equation.  Only visible when Calc.Beta4 is not selected.
 |- 
 | Agglom.Beta4 || Result || Used with ''Agglom.Rate.Type'' of form '''Growth/Beta4'''. ''<math>\beta_4</math>'' in the Agglomeration Kernel equation.  See [[Alumina3_Precip_-_Full_PSD#Implementation_of_a_size_dependent_kernel | Size Dependent Kernel]]
 |- 
 | Agglom.Rate.Magnitude ||	Input  ||  Overall correction of magnitude for Agglomeration calculations *10<sup>n</sup>. Default hidden, value 0. Used for coarse tuning only.
 |-
 | Agglom.Rate.Correction ||	Input  ||  Overall correction rate for Agglomeration calculations.
 |-
 | Agglom.Rate.FineTuning||	Input  ||  Overall correction rate for Agglomeration calculations. Default hidden, value 1. Recommend to keep this term around 1.0 and use for localised fine-tuning.
 |-
 |  colspan="3" font style="background: #ebebeb" |

===Nucleation Parameters===
 |- 
 | Misra.Nucleation.Rate ||	Input  || Nucleation Rate term, equivalent to <math>k \times e^{-E/RT}</math>. See [[Alumina3_Precip_-_Full_PSD#Nucleation | Nucleation ]]
 |- 
 | Nucl.Rate.Correction ||	Input  || Correction for Nucleation calculations
 |-
 |  colspan="3" font style="background: #ebebeb" |
===Results===
 |- 
 | Growth.Rate  || Calc || Diametric (i.e. particle) growth rate. Same as GrowthRateD on the Precip tab.
 |- 
 | Agglom.Rate || Calc || The '''total''' agglomeration rate factor determined by the selection of ''Agglom.Rate.Type'' and ''Agglomeration.Collision.Type'' (and associated inputs) as well as ''Agglom.Rate.Magnitude'' and ''Agglom.Rate.Correction''.  This term is multiplied with the kernel and particle sizes at each particle size combination. See [[Alumina3_Precip_-_Full_PSD#Agglomeration|Model Theory - Agglomeration]].
 |- 
 | Agglom.Degree || Calc || The degree of agglomeration at -45μm. Calculated as <math>\frac{[-45μm]_{Feed} \quad - \; \; [-45μm]_{Prod}} {[-45μm]_{Feed}}</math>
 |- 
 | Nucleation.Rate ||	Calc || Net rate of increase in particle numbers due to nucleation.  
 |- 
 | GrowthYield || Calc || The Growth Yield.  Total new mass of THA in tank due to Growth. 
 |- 
 | Nucleation.Yield ||	Calc || The Nucleation Yield. Total new mass of THA in tank due to Nucleation.
 |- 
 | NumMassIn ||	Calc || Mass of PSD Solids into the Precipitation Tank (Excludes Non-PSD solids).
 |- 
 | NumMassOut || Calc || Mass of PSD Solids leaving the Precipitation Tank.
 |-
 |  colspan="3" font style="background: #ebebeb" |

===Results (Particle Numbers)===
 |- 
 | NumbersByMassIn ||	Calc || Number of particles per mass of slurry entering the Precipitation tank.
 |- 
 | NumbersByMassOut ||	Calc || Number of particles per mass of slurry leaving the Precipitation tank.
 |- 
 | NumbersByMassDelta || Calc || The number of particles generated in the Precipitation tank per mass of slurry in the tank.
 |- 
 | NumbersByVolIn ||	Calc || Number of particles per volume of slurry entering the Precipitation tank.
 |- 
 | NumbersByVolOut ||	Calc || Number of particles per volume of slurry leaving the Precipitation tank.
 |- 
 | NumbersByVolDelta ||	Calc || The number of particles generated in the Precipitation tank per volume of slurry in the tank.
 |- 
 | NumbersBySolidsOut ||Calc || The number of particles generated in the Precipitation tank per mass of PSD solids in the tank.
|}
 
If '''ShowRates''' is selected,  the following matrix of data with rates and numbers is shown:
{|   border="1" cellpadding="5" cellspacing="0" 
 |   '''Tag (Long/Short)''' || '''Description/Calculated Variables / Options'''
|-
 |  colspan="2" font style="background: #ebebeb" |
===Particle Size Numbers Data===
 |-
 | Particle Size Interval ||  Particle size interval as defined in the project configuration file.  See [[Alumina3_Precip_-_Full_PSD#Setting_up_the_PSD_Definition|Setting up the PSD Definition]]
|-
|  MidSize || <math>Geometric Mean_i = \sqrt{d_i * d_{i-1}}</math>, See [[Size_Distribution_(PSD)#Parameter_Definitions|Geometric Mean]] for more information.
|-
|  #/kg Sl in ||  Particle numbers in incoming slurry
|-
|  #/kg Sl tank ||   Particle numbers in the tank
|-
|  GrowthRate || Net rate of increase in numbers due to growth
|-
|  GrowthRate+ ||  Rate of increase in numbers due to growth in from smaller  bins
|-
|  GrowthRate- ||  Rate of decrease due to growth out to larger bins.
|-
|  AgglomRate ||  Net rate of increase in numbers due to agglomeration 
|-
|  AgglomRate+ ||  Increase in numbers due to agglomeration from smaller bins 
|-
|  AgglomRate ||  Decrease due to agglomeration to larger bins
|-
|  Tot.Rate ||    Agglom + Growth + Nucleation rates
|-
|  Rate*ResT ||   Tot.Rate times Residence Time. 
|-
| Ascending / Descending || Use the Ascending or Descending button to change the display order of the table.
|}

'''Notes:'''
* The model ignores particles in the smallest bin (passing the smallest size), and will never create particles in this size. The feed may have particles of this size if the PSD is created using e.g. the Rosin-Ramler distribution. The '''TrackUltrafines''' option will warn when ultra-fine particles are present, and move them to the next smallest bin.

== dKernel and Kernel Tabs ==

'''Only visible when Precip.Method = PSD'''.

Kernel tab only shown when '''ShowAgglomKernel''' is selected. This shows the full array of <math>\beta</math> kernel values.

dKernel tab only shown when '''Agglom.Kernel.Type = User''' or '''Kernel Builder'''. With '''Agglom.Kernel.Type = User''', <math>\beta</math> values are manually entered for the entire agglomeration kernel.

With '''Agglom.Kernel.Type = Kernel Builder''', the following fields are available for building a custom kernel function. See [[Alumina3_Precip_-_Full_PSD#Kernel Builder|Kernel Builder]] for more details.

Form of each term: <math>a.\left(\cfrac{f(L_i,L_j,[m])}{b}\right)^n+c</math>

{|   border="1" cellpadding="5" cellspacing="0" 
|   '''Tag (Long/Short)'''||'''Input / Calc'''||'''Description / Calculated Variables / Options'''
|-
|Kernel.Terms|| Input || The number of terms in the agglomeration kernel calculation.
|-
|Kernel.Factor|| Input || Overall correction factor for the calculated agglomeration kernel. Typically used to correct magnitude. Note that this term is optional, and has the same effect as ''Agglom.Rate.Correction''.
|-
|colspan="3" font style="background: #ebebeb" | The following are repeated for each ''Kernel.Terms''. Note that Term# is replaced with Term1, Term2, etc.
|-
|Rowspan=6|Kernel.Term#.Type <br><br> ''Form of <math>f(L_i,L_j,[m])</math>''|| '''Sum''' || Sum of powers <math>L_i^m + L_j^m</math>
|-
| '''Difference''' || Difference of powers <math>L_i^m - L_j^m</math>
|-
| '''Product''' || Product <math>L_i.L_j</math>
|-
| '''Maximum''' || Size of larger particle <math>L_i</math>
|-
| '''Minimum''' || Size of smaller particle <math>L_j</math>
|-
| '''Mean''' || Generalised mean <math>\sqrt[m]{\frac{1}{2}(L_i^m+L_j^m)}</math>
|-
|Kernel.Term#.Power|| Input || Overall power ''n''.
|-
|Kernel.Term#.PowerB|| Input || Only available with '''Sum''', '''Difference''' and '''Mean'''. Power on individual terms ''m''.
|-
|Kernel.Term#.Coefficient|| Input || Coefficient ''a''.
|-
|Kernel.Term#.Divisor|| Input || Divisor ''b''.
|-
|Kernel.Term#.Constant|| Input || Constant ''c''.
|-
|Kernel.Term#.Denominator|| Tick Box || Whether the term appears on the numerator (off) or denominator (on) of the kernel calculation.
|-
|}

== Classif Tab ==

'''Only visible when Classification tick box is selected'''.  The full Solid-Liquid Separator is used for [[General Separator]] and [[Evaporator]], please see [[Solid-Liquid Separator]] for more information on theory and method. The Classification sub model uses most of the solid-liquid separator features.  Difference and extra fields are documented here.

{|   border="1" cellpadding="5" cellspacing="0" 
 |   '''Tag (Long/Short)'''||'''Input / Calc'''||'''Description / Calculated Variables / Options'''
 |-
 |  colspan="3" font style="background: #ebebeb" | 
===Requirements===
|-
|SplitMethod || Solid Separation || This is the only available option as the embedded classifier will separate and recycle solids to meet target underflow solids concentration.
|-
| colspan="3" font style="background: #ebebeb" | '''Requirements (Solids / Liquids Separation)''' Please see [[Solid-Liquid_Separator#Solid_Separation|Solid Separation]] for all Solid Separation Methods.
|-
|colspan="3" font style="background: #ebebeb" | The following is available when ''SolidsSeparaMethod = SolidsPSD''.
|-
|Rowspan=6|SolidMethod || Whiten || This method is based on a model proposed by Whiten.  See [[Screen_2#Solid_Method_-_Whiten|Whiten]] for information.
|-
| Karra || This method is based on a model proposed by V.K Karra and is only valid for screen cut apertures greater than 1mm. See [[Screen_2#Solid_Method_-_Karra|Karra]] for information.
|-
| Rosin-Rammler || This method is based on a Rosin-Rammler type of function with the efficiency curve expression derived by Reid and Plitt. See [[Screen_2#Solid Method - Rosin-Rammler|Rosin-Rammler]] for information.
|-
| Lynch ||This method is based on a Lynch type of function.  See [[Screen_2#Solid_Method_-_Lynch|Lynch]] for information.
|-
| DelVillar-Finch || This method includes a term for the "fish hook" effect for entrainment. See [[Screen_2#Solid Method - DelVillar-Finch|DelVillar-Finch]] for information.
|-
| Partition Curve || PartCrv Tab will open where user can define the Fraction of Feed Solids per size interval reporting to the oversize.
|-
| Colspan="3" font style="background: #ebebeb" | '''Selected Solid Species Calculation Method'''
This section is used to set species ''Bypass'' options, (such as setting oxalate to bypass to O/F) , see [[Solid-Liquid_Separator#Selected_Solid_Species_Calculation_Method|Bypass Options]] for more information.
|-
| Colspan="3" font style="background: #ebebeb" | 
===Results===
|-
|Temperature || Calc || The temperature of the material leaving the classification section.
|-
|MassFlow / Qm || Calc || The mass flow feeding the classification section, this includes the internal recycle.
|-
|VapourMassFlow / VQm || Calc || The total flow of vapour to the Underflow and Overflow streams.
|-
|UF.BypassMassFlow / UF.BypassQm|| Calc || The mass flow of the material that bypasses the underflow.
|-
|OF.BypassMassFlow / OF.BypassQm || Calc || The mass flow of the material that bypasses the overflow.
|-
|BypassMassFlow / BypassQm || Calc || The mass flow of the solids in the unit that bypasses the separation section.
|-
|UF.SolidsTakeoffQm || Calc || The internal solids recycle amount, displayed as solids mass flowrate.  This is equivalent to the solids recycle stream on the Left image in [[Precipitator3_Model_Options#Classification|Classification]] theory.
|-
|UF.SolidsTakeoffFrac || Calc || The internal solids recycle amount, displayed percent solids recycled.  This is equivalent to the solids recycle stream on the Left image in [[Precipitator3_Model_Options#Classification|Classification]] theory.
|-
|UF.FinalSolidFrac / UF.FinalSF || Calc || The final underflow solids fraction.  This is after the recycle, thus the final underflow leaving the precipitation unit going forward.  
|-
| Colspan="3" font style="background: #ebebeb" | ''Separation Results''
|-
|UFSolidsRecovery || Calc || This is the internal classifier's underflow solids recovery, this is BEFORE the solids split to recycle.  This is equivalent to the Classifier on the Left image in [[Precipitator3_Model_Options#Classification|Classification]] theory.
|-
|UFLiquidRecovery || Calc || This is the internal classifier's underflow liquid recovery, this is BEFORE the solids split to recycle.  This is equivalent to the Classifier on the Left image in [[Precipitator3_Model_Options#Classification|Classification]] theory.
|-
|}

== Content and Preset Tabs (Dynamic Only) ==

[[Material Content Section|Content Tab]]: These displays the tank contents (total mass, volume, properties, etc.) in the standard Tank access window format. 

[[Precipitator3_Data_Sections#PresetData|Preset]] and [[Define Species (DSp) Section|DSp]] Tabs: allow the composition and contents to be preset.

== Batch Tab (Probal Only)==
Batch mode simulates a tank which is filled with separate PGL and Seed feed streams, allowed to precipitate, and then drained. In practice, a plant would have a number of tanks at different stages of the fill/precip/drain cycle, and the net operation is steady state; the contents of the product stream being determined by the composition at the end of batch cycle, and the flow rate determined by the total feed.

See '''[[Batch Mode]]''' for a more information.

{|   border="1" cellpadding="5" cellspacing="0" 
 |   '''Tag (Long/Short)'''||'''Input / Calc'''||'''Description/Calculated Variables / Options'''
 |- 
 |	colspan=3 font style="background: #ebebeb"|
===Batch Operating Parameters===
 |-
 | TankCount||	Input || Number of Batch Tanks in the Precipitation bank (need not be integer)
 |- 
 | Level.SetPoint / Level.Spt||	Input || Operating Level of Batch Tank
 |- 
 | PGL.VolFlowReqd / PGL.QvReqd|| Input || PGL Fill Rate.  The fill rate parameters can be different to actual PGL flow rates. If they are less, then we are filling multiple tanks simultaneously. If they are greater, then we are filling rapidly from a holding tank which is continuously filled from the feed streams.
 |- 
 | Seed.VolFlowReqd / Seed.QvReqd|| Input || Seed Fill Rate.  The fill rate parameters can be different to actual seed flow rates. If they are less, then we are seeding multiple tanks simultaneously. If they are greater, then we are filling rapidly from a holding tank which is continuously filled from the feed streams.
 |- 
 | Seed.Overlap|| Input || Overlap of PGL and Seed. See [[Batch_Mode#Description_of_Batch_Cycle|Description of Batch Cycle]] for an illustration of fill time.
 |- 
 | Drawoff.VolFlowReqd / Drawoff.QvReqd|| Input || Drawoff Rate.
 |- 
 | Drawoff.Overlap || Input || 
 |-
 | MaxResidenceTime || Input || Maximum residence time in a batch tank.
 |- 
 | WaitTime|| Input || After draining, there may be a specified wait time before filling starts again
 |- 
 |	colspan=3 font style="background: #ebebeb"|
===Feed Flow Conditions===
 |-
 | PGL.VolFlow / PGL.Qv || Result  || Volume Flow of PGL.
 |-
 | Seed.VolFlow / Seed.Qv || Result  || Volume Flow of Seed.
 |-
 |  colspan="3" font style="background: #ebebeb" |
===Calculated Cycle Times===
 |- 
 |	Seed.Time || Result  || Total Time spent seeding.
 |-
 |	Drawoff.Time || Result  || Total Time spent in drawoff.
 |-
 |	Recirc.Time || Result  || Total Time spent in precipitation.
 |-
 |	AvailableCycleTime / Cycle.Time || Result  || Overall Cycle Time.  (Batch Cycle Done)
 |-
 |  colspan="3" font style="background: #ebebeb" |
===Waypoints: PGL Filling starts at t=0=== 
 |-
 |	PGL.EndTime || Result  || PGL flow stopped.
 |-
 |	Seed.StartTime|| Result  || Seed flow started.
 |-
 |	Seed.EndTime || Result  || Seed flow stopped.
 |-
 |	Drawoff.StartTime || Result  || Drawoff started.
 |-
 |	Drawoff.EndTime || Result  || Drawoff stopped.
 |-
 |	TankFlowTime || Result  || Feed Time per tank. 
 |-
 |  colspan="3" font style="background: #ebebeb" |
===Levels during fill=== 
 |-
 |	SeedEndFirst || Result  || Returns true if the Seed period ends before PGL filling.
 |-
 |	Seed.StartLevel || Result  || Level when seed started.
 |-
 |	PGL.EndLevel || Result  || Level when PGL stopped.
 |-
 |	Seed.EndLevel || Result  || Level when Seed stopped - generally equal to level setpoint.
 |-
 |  colspan="3" font style="background: #ebebeb" |
===Tank Masses=== 
 |-
 |	Seed.Mass / Seed.Mt || Result  || Total Mass of Seed to tank.
 |-
 |	Seed.Volume / Seed.Vt || Result  || Total volume of Seed to tank.
 |-
 |	Seed.SolidMass / Seed.SMt || Result  || Total Solid Mass of Seed to tank.
 |-
 |	PGL.Mass / PGL.Mt || Result  || Total Mass of PGL to tank.
 |-
 |	PGL.Volume / PGL.Vt || Result  || Total volume of PGL to tank.
 |-
 |	Total.Mass / Total.Mt || Result  || Total Mass of PGL and Seed to tank.
 |-
 |  colspan="3" font style="background: #ebebeb" |
===Cooling ===  
 |- 
 |	MinLevel || Input  || Level where cooling is started/stopped.
 |- 
 |	Tank.VolFlow / Tank.Qv || Input  || Flow of Cooling Water to Heat Exchange.  This is the per tank cooling water flow.
 |- 
 |	Total.VolFlow / Total.Qv || Result || The calculated cooling water flow is determined by the batch model and the specified per tank cooling water flow. For correct prediction of the cooling water return temperature, the actual cooling water flow should be set to this calculated number.  See [[Batch_Mode#Cooling|Cooling]] form more inforamtion.
 |- 
 |	StartTime || Result || Cooling Initiated.
 |- 
 |	EndTime || Result || Cooling Ended.
 |- 
 |	Tank.TotalHeatXfer || Result || Batch Cycle Total Heat Transfer per Tank
 |- 
 |	Tank.AverageHeatLoad || Result || Batch Cycle Average Cooling Load per tank
 |- 
 |	Total.HeatLoad || Result || Total Cooling Load for all Tanks
 |-
 |  colspan="3" font style="background: #ebebeb" |
===EHX===
 |- 
 |	Tank.TotalHeatXfer || Result || Batch Cycle Total Environmental Heat Loss per tank
 |- 
 |	Tank.AverageHeatLoad || Result || Batch Cycle Average Environmental Heat Loss per tank
 |- 
 |	Total.HeatLoad || Result || Total Environmental Heat Loss for all tanks.
 |- 
 |  colspan="3" font style="background: #ebebeb" |
=== Batch Control ===
 |- 
 |	Fill Steps || Input  || Number of timesteps for fill.  (Note: The default batch control parameters give sufficient accuracy for modelling.)
 |- 
 |	Recirc Steps || Input  || Number of timesteps for recircirculation.
 |- 
 |	Drawoff Steps || Input  || Number of timesteps for drawoff.
 |- 
 |}

==Cycle Tab (Batch Mode)==

{|   border="1" cellpadding="5" cellspacing="0" 
 |   '''Tag (Long/Short)'''|| '''Row / Column Heading''' || '''Description'''
 |- 
 |	colspan=3 font style="background: #ebebeb"|
===Batch Data===
 |- 
 | T1 to T65 || font style="background: #ebebeb"|Row Heading || Time segments during a batch cycle, for each time segment, the following data are displayed.
 |- 
 | Time / t || font style="background: #ebebeb"|Col Heading || Time from start of filling
 |- 
 | AC || font style="background: #ebebeb"|Col Heading || The ratio of A:C, where A is NaAl[OH]4 concentration, expressed as grams of Al2O3 /L liquor and C is Caustic concentration in NaOH + NaAl[OH]4, expressed as grams Na2CO3/L liquor.
 |- 
 |Solids || font style="background: #ebebeb"|Col Heading || solids concentration.
 |- 
 | Temp / T || font style="background: #ebebeb"|Col Heading || tank temperature
 |- 
 | Lvl || font style="background: #ebebeb"|Col Heading || tank level
 |- 
 | HX || font style="background: #ebebeb"|Col Heading || cooling heat transfer
 |- 
 | Rx || font style="background: #ebebeb"|Col Heading || precipitation reaction heat
 |- 
 | EHX || font style="background: #ebebeb"|Col Heading || environmental heat transfer
 |- 
 | SeedSol || font style="background: #ebebeb"|Col Heading || seed solids flow
 |- 
 | PrecSol || font style="background: #ebebeb"|Col Heading || solids precipitation
 |- 
 | PrecTHA || font style="background: #ebebeb"|Col Heading || THA precipitation (excludes other solids)
 |- 
 | TotSol  || font style="background: #ebebeb"|Col Heading || tank solids content - cumulative seed + precipitated solids
 |- 
 | TotHt  || font style="background: #ebebeb"|Col Heading || total heat transfer (cooling + environmental heat transfer)
|}