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:
Sep. 22, 1987
Filed:
Mar. 07, 1985
Applicant:
Inventors:
Hans Becker, Munich, DE;
Gerhard Linde, Grunwald, DE;
Assignee:
Linde Aktiengesellschaft, Wiesbaden, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
203 26 ; 203 96 ; 203 97 ; 203 98 ; 203D / ; 203D / ; 203D / ; 202235 ; 2021 / ; 159 173 ; 159 243 ; 159D / ; 159D / ; 623241 ; 62501 ;
Abstract
A process is disclosed for distillation and/or stripping in a column, the lower portion of which is heated and the upper portion of which is cooled. The heating and cooling facilities thereof are coupled with each other by means of a heat pump system. In order to reduce the energy input, the invention provides for driving the heat pump system by means of expansion of a gas or vapor, and with the gas or vapor, after expansion, utilized as the stripping gas in the column.