The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 05, 1987
Filed:
Jun. 25, 1985
Applicant:
Inventors:
Gregory M Lipkin, Baton Rouge, LA (US);
Byron C Lynch, Baton Rouge, LA (US);
Assignee:
Exxon Research and Engineering Company, Florham Park, NJ (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
203 98 ; 203 99 ; 203D / ; 203D / ; 202156 ; 202172 ; 208355 ;
Abstract
A method and apparatus for improving the separation of a distillation system comprising a main distillation zone and at least one sidestream separation zone is described. The method comprises returning vapor separated in the sidestream separation zone to the main distillation zone at a location at least two trays and/or at least one theoretical stage above the liquid draw-off from the main distillation zone to the sidestream separation zone.