Category Archives: Simulation & Thermodynamics

Simulation & thermodynamics.

pH System Modeling and Control

When dealing with acids and bases, the subject of pH and pH control often comes up. In this post we'll discuss some methods of modelling acidic and basic streams and talk a little about the practical difficulties in controlling pH … Continue reading

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Hysys Tips and Tricks for Logical Units and Reactors

I stumbled upon this classroom course one day, while trying to do something particularly difficult in Aspentech’s Hysys. I learned a lot. The intricacies of the balance function, the different kinds of reactions, how to leverage the spreadsheet operation. If … Continue reading

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Get Stream Summary Data from SimSci PRO-II into Excel

Need to get stream data from a Sim-Sci Pro/II simulation (also known as Provsion or PRO-2) into another format; say Microsoft Excel? It could be for a heat and material balance table, an equipment datasheet, or just data for a … Continue reading

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Get Stream Summary Data from Aspentech Hysys or UniSim Design into Excel

Need to get stream data from your Aspen Hysys simulation into another format; say Microsoft Excel? It could be for a heat and material balance table, an equipment datasheet, or just data for a calculation. Try one of the following … Continue reading

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Unit operations that cannot be simulated

Refinery Process Modeling by Gerald Kaes is a great book on using commercial process simulation packages to model refineries and related processes. But Kaes admits that 5 unit operations cannot be adequately simulated by typical commercial simulation software. I thought … Continue reading

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Posted in Simulation & Thermodynamics | Tagged , , , , , , , , , , | 3 Comments