Distillation: processes – separatory – Adding material to distilland except water or steam per se – Organic compound
Patent
1995-06-05
1996-07-23
Manoharan, Virgina
Distillation: processes, separatory
Adding material to distilland except water or steam per se
Organic compound
203 78, 203 80, 203DIG16, 568754, 568810, 568913, B01D 340
Patent
active
055385990
ABSTRACT:
A process is provided whereby phenol is separated from 1-phenyl ethanol, acetophenone or mixtures by extractive distillation with sulfolane as extractive distillation agent which decreases phenol volatility relative to 1-phenyl ethanol and acetophenone.
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Chang Te
Harris Stephen H.
Wong Tim T.
Zak Thomas S.
Arco Chemical Technology L.P.
Long William C.
Manoharan Virgina
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