GPS-X Release Notes

Version 8.5 (2023)
- Cloud licensing scheme
- New Unit Processes
  High-Rate Primary Filter
  High-Rate Biological Filter
  Centrifuge
  Belt Press Thickener
  Gravity Belt Thickener
- New Aeration Model Features
  Surface oxygen intrusion (correlated to mixing) for anoxic/anaerobic tanks
  Dynamic Alpha Factor (correlated to soluble substrate COD)
- Improved Steady-State Solver for Oxidation Ditches
- MantisIW (Industrial Wastewater) Library now included in all licenses
  Petrochemical components (VOCs, sulfur, etc.)
  API oil/water separator unit
Version 8.1 (May 2021)
- Chemical disinfection model update
- New dechlorination model
- Updates to the mantis2, mantis2s and mantis3 biological models
- New empirical differential model for primary clarifiers
- Upgrade to HPO model
- New flocculator unit process in the process water library add-on
- Various updates to the interface and model features including bug fixes.
- For more details about these changes, see What's New
Version 8.0.1 (Nov 2019)
- Plug-Flow Tank volume correction
  
  If you chose "Individual Volumes" to define the tank volumes in your model, then the correct volume was not being set in the model. This was corrected and it is confirmed that this was a bug that got introduced in version 8.0 due to a model update.
  
  This fix will affect your calculation only if you chose "Individual Volume" method in any of the Plug-Flow Tank, Dual Inlet Plug-Flow Tank, Plug-Flow Tank with Aeration header, Closed Basin HPO, membrane aerated bioreactor.
- Fixed an issue where switching a process object's model would sometimes lead to a layout saving error.
- Added the ability to "show tooltips" and "copy cryptic to clipboard" on new table format dialogs.
- Corrected the Treated Water object's quick panel display.
- Fixed the incorrect units on "Solid Loading Rate" display variables in clarifiers.
Version 8
Version 7
Version 6.5
Version 6.4
Version 6.3

Release Information