v1.8 [Oct 17, 2014]
- Support for hybrid pressure vessel configurations to achieve reduced feed pressure or to equalize permeate flux distribution along the membrane unit
- Support for split-partial 2-pass designs and various concentrate recirculation options
- Post treatment module to calculate chemical addition (re-mineralization) and degasification
- Power consumption module to calculate system power costs for a variety of ERD configurations
- Capital and operating cost module
v1.1 [Nov 25, 2012]
- A Tools and Documents tab has been added to the main window of LewaPlus. This tab allows access to tools and documents provided by Lanxess, and also allows the addition of user defined tools and documents.
- On the post-treatment screen a button was added to select a default post-treatment. The goal of the default post-treatment is to have an LSI slightly above 0.1 and a pH value acceptable for potable water.
- On the design screen a complete set of saturation indexes is now displayed for the concentrate.
- A change of the water type or the temperature on the water analysis screen was not correctly propagated to the design screen. This has been fixed.
- Fixed a bug on the water analysis and the design screen. Adjusting the pH value if no concentration was given for HCO3 could result in erroneous values. If no concentration is given for HCO3 adjustment of the pH value is now prohibited.
