The Electrolyte NRTL activity coefficient model has received a major stability update. V14 fixes several convergence issues relating to high ionic strength solutions (common in mining and brine processing). The new trace ion tracking prevents numerical overflows that plagued V13.
"That's why I need Aspen Plus V14," she said, booting up the software. "In the old days, we’d guess and check. But V14 has the new Activated Energy analysis. If I can model the thermodynamic pinch, I can stabilize the hydraulic profile."
This is the million-dollar question for engineering managers. Here is a comparison matrix:
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