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Recent content by FarshadN

  1. FarshadN

    HYSYS MDEA SIMULATION

    Hi Again, Sorry, but I doubt NH3 is the reason. NH3 is not a valid component at all for use with Amine package. It cannot handle NH3. HYSYS does not allow one to select it with the package. How did you manage to select NH3 in the simulation basis manager? Rgds,
  2. FarshadN

    HYSYS MDEA SIMULATION

    Hi Mondolfi, Maybe it is late, but have you traced the problem back to the exit streams of the absorber? You can easily check validity of your absorber solution if you calculate rich amine loading. It must be something like 0.35. Li-Mather is much stronger in prediction, but K-E is also good...
  3. FarshadN

    HYSYS 3.0.1 BUG

    Hi Mondolfi, I could not find the above-mentioned thread. Anyway, I am very much interested in your case. I am pretty sure that converging a regenerator is fairly easy. Can I help? Rgds,
  4. FarshadN

    improvement of octane number with ethanol

    Hi Sadiel, If you mean mixing ethanol in a number of proportions to examine the resulting ON, you must first build as many streams as are needed with different compositions (or use HYSYS mixer U-Op), which you certainly know how to do. Then, you must assign an equal number of Cold Properties...
  5. FarshadN

    Software to analyze the transients of a steam pipeline

    dbevil, I know that HYSYS.Plant (www.Hyprotech.com) is used in similar projects. It is a dynamic simulator with extensive steam property packages (NBS and ASME) and two-phase flow modeling capabilities included. It is in fact a process simulator but you can still use its PIPE operation for...
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