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:
Feb. 14, 1984
Filed:
Dec. 22, 1982
Applicant:
Inventor:
Charles C Chou, Houston, TX (US);
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
423226 ; 423224 ; 4235 / ; 4235 / ;
Abstract
An improved process for the removal of H.sub.2 S from sour gas streams in which the H.sub.2 S is converted to sulfur by a polyvalent metal chelate solution is disclosed, the process being characterized by the washing of the product sulfur with an aqueous wash solution, and recovery of the acid precursor of the chelating agent from the washing solution.