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If Light Refomate is the only feed of an Isomerisation unit, is there any chance of reflux drum of stabilizer not getting liquid at normal working pressure of 13.5 Kg/cm2g? (Liquid level building at lowering the pressure to 11.0 Kg/cm2g) Is it because of the C4 content is more in reformate?
 
Answers
15/07/2013 A: Kamaljit Medhi, Indian Oil Corporation Ltd, medhik@indianoil.in
What I understand is that you want to process only Light Reformate in Isomerization Unit. Light Reformate mostly contains all the benzene and by thumb rume every % of benzene in ISOM feed will raise the exotherm in Benzene Saturator reactor by 10degC. So just imagine the kind of exotherm you will get with only light isomerate feed to ISOM.