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Dear 7604 Using the boiling point and Marrero & Gani property prediction to genererate pseudo-data I estimated the constants to: Model: Psat(bar) = 10^[A - B/(T(K) +C)] A = 4.2950236336E+000 B = 1.3220367966E+003 C = -5.5900317428E+001 Best regards Peter -- Peter M. Harper...

Dear Tp51 There are various options for doing this. 1. Use group contribution approach available online (eg: http://www.capsolva.dk/propertypredict.asp) 2. More advanced "plotting" approches based on whatever solubility data you have available. For calculating direct solubility one can use...

If you want a predicted value other than ambrose/lydersen - try to look here: http://www.capsolva.dk/propertypredict2.asp Best regards Peter

Dear 1BT Found this: http://www.emersonprocess.com/raihome/documents/Liq_AppData_2800-06_200204.pdf This is more or less what you want right ? Best regards Peter -- Peter M. Harper Co-Founder, CapSolva

Dear 1BT From my experience a static mixer combined with a good quality conductivity meter (eg. http://www.endress.com/) is good solution. However it might be a problem finding a CT with a built-in (and temperature corrected) NaOH concentration calculation covering the range up and above 23% -...

Dear LaSalle1940 I guess you are hunting for solvents :) I might be able to do a filtered search on fairly big database -- you would only need compounds miscible with water at ambient conditions? and results as CAS-NO/name ? Reply in this thread or by email if you still need the list. The...

In short terms your are feeding your column at a sub-optimal point (compared to the initial simulation). In order to investigate the behaviour I suggest creating a small series of simulations where you vary the amount of feed preheat and feed-location and record the resulting RR. You should see...