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O'connell Correlations For Distillation Column Efficiency

Started by NoobMi, Feb 12 2012 10:12 PM

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#1 NoobMi

Veteran Member

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38 posts

Posted 12 February 2012 - 10:12 PM

I am trying to give a rough estimation of my designed distillation column overall efficiency and i came across this correlation by O'Connell.

http://www.separatio.../DT_Chp04p1.htm

I was wondering if it is applicable for a gas feed as well (i.e. using gas viscosity for the calculations)? Because when i place the viscosity into the equation my efficiency reaches 111%.

Details for feed:
Temp=107.4C, P=200kPa (vapor phase)
Mol Fraction
Ethane: 0.0203
Benzene: 0.9513 (Light Key)
Toluene: 0.0271 (Heavy Key)
Xylene: 0.0014

HYSYS provided viscosity:
9.818e-3 cP

#2 breizh

Gold Member

Admin
6,715 posts

Posted 14 February 2012 - 11:57 PM

Consider this resource
http://www.chemsep.c...fficiencies.pdf

Breizh

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