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. 26, 1989
Filed:
May. 06, 1988
Applicant:
Inventor:
Olen L Riggs, Jr, Oklahoma City, OK (US);
Assignee:
Kerr-McGee Chemical Corporation, Oklahoma City, OK (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
423229 ; 55 68 ;
Abstract
An improved process is provided for the removal and recovery of acidic gases contained in mixed gas streams. The improvements comprise cooling a process regenerated aqueous alkanolamine solution containing an alkanolamine concentration ranging up to about 20 percent by weight to a temperature ranging up to about 35.degree. C. and introducing said cooled regenerated solution into an absorption zone to contact a mixed gas stream containing acidic gases and wherein the regenerated aqueous alkanolamine solution remains essentially at the temperature to which it is cooled throughout a substantial portion of the absorption zone.