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:
Oct. 10, 1978
Filed:
Apr. 05, 1976
Applicant:
Inventors:
Eric R Larsen, Midland, MI (US);
Ernest L Ecker, Midland, MI (US);
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
55 71 ; 55 36 ;
Abstract
This invention relates to a method for recovering hydrogen bromide gas from a gaseous stream. The method comprises contacting the gaseous stream with a nonaqeous hydrogen bromide absorbent containing acetic acid to absorb at least a portion of the hydrogen bromide. The hydrogen bromide containing absorbent is then heated to desorb at least a portion of the hydrogen bromide.