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adjusting the temperature of the stream. For an overview of Solubility features, see Solubility. Example Project: For examples of the use of the solubility function

equilibrium calculations. It can use database files (CST files) generated using the FactSage family of products. It permits the calculation of complex, multicomponent

reports. Examples of calculations that may be used are: Ratio of two species or elements, Flow of particular ions, such as Ferric or Ferrous, Flow of a species

straight out of the 'Product' outlet; No material will flow out of the 'Vapour' outlet; The pressure of the outlet streams will be the pressure of the input

convergence speed of large networks; Adding user defined property calculations or species information calculations; Adding calculations using PGM or MP files;

SysCAD in the Examples folder, demonstrates the use of this model in a SysCAD project. This Falling Film Evaporator model can be included as part of a flash

} }[/math] where Q - Rate of Heat Transfer m - Mass flow of the stream Hin - Enthalpy of entering stream Hout - Enthalpy of leaving stream Using the stream

equilibrium calculations, please see Vapour Liquid Equilibrium (VLE) for more information. Example 1 - Entering BPE data into the Species Database Example 2 -

phase flash calculations are handled in SysCAD. Any solids that may be in the slurry stream entering the unit are ignored in the flash calculations, but the

phase flash calculations are handled in SysCAD. Any solids that may be in the slurry stream entering the unit are ignored in the flash calculations, but the

Mass Fraction, MFi and Density Calculation Examples. The user may view the corrected density of a solution consisting of ONLY the solvent and the solute

need only enter a single Cp equation and the range for that equation. The form of the equation can be any of those shown below. The forms of the equations

information required for Mass and Energy balance. See Model Examples for enthalpy calculation Examples. Unit Type: BaroCond - The first tab page in the access

user-specified calculations must exist to allow mapping of the aqueous and organic values. Please see example 2 on how to set up user calculations. The model

for calculating the pH of a solution. However, since SysCAD does NOT include calculations for buffering, this is an estimate of the pH only. SysCAD uses

PHREEQCResults tab - This tab displays the key results of the calculations. Input tab - This tab displays a summary of the mapped Input stream as PHREEQC species.

OLIResults tab - This tab displays the key results of the calculations. Input tab - This tab displays a summary of the mapped Input stream as OLI species. Output

information required for Mass and Energy balance. See Model Examples for enthalpy calculation Examples. Unit Type: FlashTank1 - The first tab page in the access

PHREEQCResults tab - This tab displays the key results of the calculations. Input tab - This tab displays a summary of the mapped Input stream as PHREEQC species.

} }[/math] where Q - Rate of Heat Transfer m - Mass flow of the stream Hin - Enthalpy of entering stream Hout - Enthalpy of leaving stream Using the stream

and perform calculations. OLIResults tab - This tab displays the key results of the calculations. Input tab - This tab displays a summary of the Input stream

information required for Mass and Energy balance. See Model Examples for enthalpy calculation Examples. Unit Type: Evaporator - The first tab page in the access

PHREEQCResults tab - This tab displays the key results of the calculations. Input tab - This tab displays a summary of the Input stream. Output tab - This tab displays

OLIResults tab - This tab displays the key results of the calculations. Input tab - This tab displays a summary of the mapped Input stream as OLI species. Output

Results. This tab displays the key results of the calculations. Input tab - This tab displays a summary of the mapped Input stream as AQSol species. Output

AQSolResults tab - This tab displays the key results of the calculations. Input tab - This tab displays a summary of the mapped Input stream as AQSol species. Output

recover of overrides of tolerance settings of individual variables in a Tear Block. Improved save and recover of Tear state. Fixed bug for use of Tol.Strategy

and perform calculations. AQSolResults tab - This tab displays the key results of the calculations. Input tab - This tab displays a summary of the Input

PHREEQCResults tab - This tab displays the key results of the calculations. Input tab - This tab displays a summary of the mapped Input stream as PHREEQC species.

information required for Mass and Energy balance. See Model Examples for enthalpy calculation Examples. Unit Type: PipingSystem - The first tab page in the access

latest version of SysCAD 139. For users using older versions of SysCAD, please use Paste Special - Text in MS Excel to ensure the copied example syntax is converted

} }[/math] where Q - Rate of Heat Transfer m - Mass flow of the stream Hin - Enthalpy of entering stream Hout - Enthalpy of leaving stream Using the stream

OLIResults tab - This tab displays the key results of the calculations. Input tab - This tab displays a summary of the Input stream. Output tab - This tab displays

ChemAppResults tab - This tab displays the key results of the calculations. Input tab - This tab displays a summary of the mapped Input stream as ChemApp species.

displays the key results of the calculations. Input tab - Optional tab, only visible if Rxns.Option = TCE. This tab displays a summary of the mapped Input stream

PHREEQCResults tab - This tab displays the key results of the calculations. Input tab - This tab displays a summary of the Input stream. Output tab - This tab displays

fraction of liquid in the concentrate stream. Note: the material entering the unit via the 'Conc Launder' inlet is NOT included in these calculations, but

PHREEQCResults tab - This tab displays the key results of the calculations. Input tab - This tab displays a summary of the mapped Input stream as PHREEQC species.

OLIResults tab - This tab displays the key results of the calculations. Input tab - This tab displays a summary of the mapped Input stream as OLI species. Output

flows. This potentially enables recovery of some of the energy in the low grade steam. One of the methods of the Thermocompressor model in SysCAD is based

information required for Mass and Energy balance. See Model Examples for enthalpy calculation Examples. Unit Type: HotFlashTie - The first tab page in the access

displays the key results of the calculations. Input tab - Optional tab, only visible if Rxns.Option = TCE. This tab displays a summary of the mapped Input stream

information required for Mass and Energy balance. See Model Examples for enthalpy calculation Examples. Unit Type: CFMultiTie - The first tab page in the access

PHREEQCResults tab - This tab displays the key results of the calculations. Input tab - This tab displays a summary of the mapped Input stream as PHREEQC species.

SysCAD in the Examples folder, demonstrates the use of this model. The diagram shows the default drawing of the Counter Current Washer, with all of the streams

ChemAppResults tab - This tab displays the key results of the calculations. Input tab - This tab displays a summary of the mapped Input stream as ChemApp species.

AQSolResults tab - This tab displays the key results of the calculations. Input tab - This tab displays a summary of the mapped Input stream as AQSol species. Output

AQSolResults tab - This tab displays the key results of the calculations. Input tab - This tab displays a summary of the mapped Input stream as AQSol species. Output

Results. This tab displays the key results of the calculations. Input tab - This tab displays a summary of the Input stream. Output tab - This tab displays

PHREEQCResults tab - This tab displays the key results of the calculations. Input tab - This tab displays a summary of the mapped Input stream as PHREEQC species.

AQSolResults tab - This tab displays the key results of the calculations. Input tab - This tab displays a summary of the Input stream. Output tab - This tab displays

allows for inclusion of adsorption calculations in addition to precipitation. The PHREEQC Model Configuration allows for specification of precipitates which

information required for Mass and Energy balance. See Model Examples for enthalpy calculation Examples. Unit Type: Thickener1 - The first tab page in the access

with SysCAD in the Examples folder, demonstrates the use of this model. The diagram shows the default drawing of the Washer, with all of the streams that

Concentration, etc. The amount of any of the species may be zero. The Potash Properties Utility carries out all of the calculations using SI units and the calls

OLIResults tab - This tab displays the key results of the calculations. Input tab - This tab displays a summary of the mapped Input stream as OLI species. Output

exchangers as part of the model. (This is often more efficient when carrying out the modelling calculations.) The user sets the amount of flow to the heat

facility of up to two cake washes. See Example for the illustration of material splits with the various connections. The following shows the sequence of events

OLIResults tab - This tab displays the key results of the calculations. Input tab - This tab displays a summary of the mapped Input stream as OLI species. Output

AQSolResults tab - This tab displays the key results of the calculations. Input tab - This tab displays a summary of the mapped Input stream as AQSol species. Output

All of these equations rely on both the value of N and the relationship between N and the fraction of liquor remaining in the cake. An example of this

information required for Mass and Energy balance. See Model Examples for enthalpy calculation Examples. Additional fields are shown in Dynamic mode. These are

information required for Mass and Energy balance. See Model Examples for enthalpy calculation Examples. Unit Type: Tie-1 - The first tab page in the access window

OLIResults tab - This tab displays the key results of the calculations. Input tab - This tab displays a summary of the mapped Input stream as OLI species. Output

material is mixed in. This speed of this effect will depend on the relative flow entering the bed/CL versus the volume of the bed/CL zones. The following

CHEMAPPResults tab - This tab displays the key results of the calculations. Input tab - This tab displays a summary of the Input stream. Output tab - This tab displays

information required for Mass and Energy balance. See Model Examples for enthalpy calculation Examples. Unit Type: UnderflowWasher - The first tab page in the

purpose of the heap leach unit is to dynamically simulate the behaviour of a layered bed of ore being leached using solution added to the top of the heap

with solids - this is where you will set the size of the solids entering the plant; On the first tab of the Feeder, you will should see a heading called

the default drawing of the Hydrocyclone, with all of the streams that are available for operation of the unit. The physical location of the streams connecting

different folders. SysCAD 9.2 examples have been upgraded and improved to make use of new features. There are a number of new example projects. For detailed instructions

Sp tab, species calculations are not shown when the Filter is On except when the Calculations Only filter option is selected. Calculations are not included

information required for Mass and Energy balance. See Model Examples for enthalpy calculation Examples. Unit Type: TailingsDam - The first tab page in the access

discard any material. Here are some legitimate examples of this flexibility: Example 1: Target is Product Flow of 1 t/h solids so Product.Selection = Phase

fraction of component i in the Feed Ki Vapour-Liquid equilibrium Ratio of component i HF Enthalpy of Feed HV Enthalpy of Vapour fraction HL Enthalpy of Liquid

additional tab, R1. Depending on the number of reactions specified within the reaction file, there may be more than one of these tabs. The additional sections

User Calc (User Property Calculation) is defined as part of the project configuration file, please see User property Calculations for more information. This

50 g/L of NaCl(aq). We can set these values on the "DSp" tab: 1 kg/h of water, 20 g/h of KCl(aq) and 50 g/h of NaCl(aq). After we have entered these values

initialisation. Some examples are page activations, controllers on/off and variables which are referenced in the calculations/logic which is part of the Initialise_Prestart()

Model ➔ Species This tab page on the Plant Model Access Window has a number of parameters that the user may either set or read for Global settings.

information required for Mass and Energy balance. See Model Examples for enthalpy calculation Examples. The data sections and variable names are described in

be instead of the words Create New Configuration at the top of the window, you will see Create Copy of xxxxx, where xxxx is the file path of the configuration

93.db3 and try again. The use of TCE calculations at discrete locations within an overall flowsheet introduces the use of different enthalpy models at different

user-specified calculations must exist to allow mapping of the aqueous and organic values. Please see example 2 on how to set up user calculations. The model

Add-On and/or with Heat Calculations switched off. Topics covered in this section are: Heat of Formation Heat of Dilution Heat of Transition Please see Entropy

required flow. 2. Set Equipment Parameters in a number of Units at Start of a Run The user has a number of units that have the same settings, e.g. thickener

results of the FEM calculations. VCS Data tab - This tab displays a matrix of the species in the FEM reactions. The user may also enable the display of the

saying that Gangue consists of 1 atom of Gn which has a molecular weight of 100. (Normally this is the elemental composition of the species, such as Na2S1O4

Stream Heat of Formation values (Hf) for an example of how these individual heats of formation are used to determine the heat of formation of a stream. Notes:

Potash Solubility, Entering Solubility Data in the Species Properties Database The Solubility of a liquid or solid in a Solvent is the mass of that species dissolved

some calculations require specific aqueous species (mostly ionic species) to be defined within the project. The required species for each calculation are

number of independent PID controllers on the plant. The user may enter the required number of PID controllers in the Count field on the first page of the

a pipe where it is not required; To prevent the Demand from one of the outlet paths of a tank or tie from perpetuating downstream to where it is not required;

heat of reactions produced by those reactions. Note: For more information and examples on the mass and energy balance, please see Model Examples for example

Shows the use of Simple Heat Exchanger. Shows the use of Demand logic. Shows the use of Composition Fetch in a Feeder. Shows the use of Annotation Table

normally a derived value. However, the user may set the initial value of SAM or D entering the first precipitator to obtain the correct SAL, thus a correct

subroutines of the same name. Each function/subroutine contains user defined commands which are executed by SysCAD at different stages of the evaluation of the

Build 138 or earlier, please refer to Heat Calculations in the Calculation Selection. The Allow Heat Calculations option determines whether an energy balance

nullspace of [math]\displaystyle{ S }[/math]. The number of vectors ([math]\displaystyle{ J }[/math]) represents the degrees of freedom (or nullity) of the system

or more, of the solid species will behave differently in a unit operation to the other solid species. The Examples below demonstrate one of the Separation