Discontinued Unit Models

Navigation: User Guide ➔ SysCAD Version History ➔ Build 139 Release Notes ➔ Discontinued Unit Models

Build 139 Release Notes (Summary)
New Models and Add-Ons	Model Improvements	User Interface Improvements	Other Improvements	Changes that Affect Results	Project Upgrade & Tag Changes	Discontinued Unit Models

Latest SysCAD Version: 25 February 2025 - SysCAD 9.3 Build 139.37016

Related Links: Build 139 Revision History, Upgrading Projects, Discontinued Models and Dlls

---

The following Release Notes represent the state of Build 139 at the time of first release. Please refer to the Build 139 Revision History for subsequent updates.

Unit Model and Functionality - Discontinued

• Area Model and GlobalArea have been removed.
• Some unused Command Scripts options such as CompareScenario have been removed.

Models to be removed in next version

• Crusher1 and Mill-1 - User will be given this note in the Access Window: === NOTE: This model will be discontinued - change to Crusher2 ===.
  • These are legacy models with limited functionality and will be removed in the next version. Please change to the Crusher2 unit, it contains more functionalities than the old models.
  • User should be able to reconfigure the model (using Crusher2) to provide equivalent behaviour.
• Falling Film Evaporator - User will be given this note in the Access Window: === NOTE: This model will be discontinued - change to Falling Film Evaporator(4) ===.
  • This legacy model has limited functionality and will be removed in the next version. Please change to Falling Film Evaporator 4
• EHX - Loss to Ambient Method - User will be given this note in the Access Window: ***** Method will be discontinued. Use 'Loss to Ambient4' instead! *****
  • This method contains conversion factor error for conductivity and will be removed in the next version.
  • EHX - Loss to Ambient 4 has been added with corrected conductivity values, please change any EHX sub models using "Loss to Ambient" method to this new method.

Models to be removed in future versions

• Direct Contact Heater - User will be given this note in the Access Window: NOTE:Consider using Direct Contact Heater(2) instead.
  • This model will be discontinued in future builds, please change to Direct Contact Heater 2 model.
• Heat Exchanger and Shell and Tube Heat Exchanger - User will be given this note in the Access Window: NOTE:Consider using Shell & Tube(2) instead.
  • These models will be discontinued in future builds, please change to Shell and Tube Heat Exchanger 2 model.
• Flash Tank - User will be given this note in the Access Window: NOTE:Consider using Flash Tank(2) instead.
  • This model will be discontinued in future builds, please change to Flash Tank 2 model.
• Falling Film Evaporator 2 - User will be given this note in the Access Window: NOTE:Consider using Falling Film Evaporator(4) instead.
  • These models will be discontinued in future builds, please change to Falling Film Evaporator 4

Summary Table of Discontinued Models and Dlls

Discontinued Model	Alternative Model	Discontinued in Version	Removed from Distribution in Version
The following models have been Discontinued.
Generic Bayer Species Model	Alumina 3 Bayer Species Model	9.3 Build 136	9.3 Build 137
Precipitation Model	Precipitation3
Screen	Screen 2	9.3 Build 137	9.3 Build 139
Cyclone	Hydrocyclone
Area	None	9.3 Build 139	9.3 Build 139
The following models will be discontinued in the Next Major Build/Version updates.
Crusher1	Crusher2	Next Major Build	Next Major Build
Mill-1	Crusher2
Falling Film Evaporator	Falling Film Evaporator 4
OLI Chemistry Model	OLI Model Configuration
OLI Sample Model	OLI Direct Calc Model
OLI Reactor	OLI Reactor 2
The following models will be discontinued in future Major Build/Version updates.
Direct Contact Heater	Direct Contact Heater 2	Future versions
Heat Exchanger	Shell and Tube Heat Exchanger 2 or Simple Heat Exchanger
Flash Tank	Flash Tank 2
Falling Film Evaporator 2	Falling Film Evaporator 4
Shell and Tube Heat Exchanger	Shell and Tube Heat Exchanger 2

Discontinued Dll	Discontinued in Version	Removed from Distribution in Version
Alumina.dll	9.3 Build 136	9.3 Build 137
ScdOLI.dll	Next Major Build	Next Major Build
Separ1.dll	9.3 Build 139	9.3 Build 139
Separ2.dll	9.3 Build 137	9.3 Build 139
XBasic.dll	9.3 Build 138	9.3 Build 138