Hi, I have methanol, acetic acid and carbon monoxide in my reactor. How may I estimate the the partial pressure of CO. The CO is dissolved in this liquid mixture. I can't find the VLE data on methanol and acetic acid.
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Partial Pressures
#1
Posted 16 March 2018 - 05:50 PM
#2
Posted 17 March 2018 - 06:47 PM
pco = ycoP
pco - partial pressure CO (barg)
yco - CO mole fraction in vapor phase
P - Reactor pressure (barg)
#3
Posted 18 March 2018 - 01:12 PM
Just by entering "methanol acetic acid vle" in Google yield this as a first result
http://www.ddbst.com...id;Methanol.php
Go to your favorite simulator. Choose any model that has parameters already incorporated in the database for that mixture, or choose a prediction model. Verify that it correctly predicts the experimental data. If it predicts well, you can extrapolate to your conditions with some conficence. If not, you have to do some more work regressing the parameters.
About the solubility of CO2 in the mixture you have to go the same way, with binary pairs.
For the ternary system, you have some discussion about ternary systems of CO2, although not your particular system, it may be useful.
http://www.nupeg.ufr...apers/T1-14.pdf
Choosing the mixing rule that applies to the system is a little bit of trial and error.
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