Title:
IMPROVED AROMATICS-RECOVERY PROCESS
Document Type and Number:
WIPO Patent Application WO/2013/003011
Kind Code:
A3
Abstract:
The present invention comprises a process and apparatus for recovery of sulfolane used in a solvent-extraction or extractive-distillation process. A recovery column for the sulfolane solvent comprises a liquid-jet ejector for maintaining the needed vacuum conditions, preferably using water as the liquid.
Inventors:
BISHT DEEPAK (IN)
DHAIGUDE ANUP (IN)
GUPTA SANDEEP (IN)
DHAIGUDE ANUP (IN)
GUPTA SANDEEP (IN)
Application Number:
PCT/US2012/041810
Publication Date:
March 07, 2013
Filing Date:
June 11, 2012
Export Citation:
Assignee:
UOP LLC (US)
BISHT DEEPAK (IN)
DHAIGUDE ANUP (IN)
GUPTA SANDEEP (IN)
BISHT DEEPAK (IN)
DHAIGUDE ANUP (IN)
GUPTA SANDEEP (IN)
International Classes:
C07C7/04; B01J19/24; C07C15/00; C07C303/44; C07C305/04
Foreign References:
| US4175034A | 1979-11-20 | |||
| JPH07278136A | 1995-10-24 | |||
| US4664786A | 1987-05-12 | |||
| US4048062A | 1977-09-13 |
Attorney, Agent or Firm:
WILLIS, Mark R. (25 East Algonquin RoadP. O. Box 501, Des Plaines Illinois, US)
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