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. 06, 1992
Filed:
Nov. 16, 1990
Wing-Chiu F Fong, Yorktown Heights, NY (US);
Henry C Chan, Bellaire, TX (US);
Robert M Suggitt, Wappingers Falls, NY (US);
Manuel E Quintana, Scarsdale, NY (US);
Texaco Inc., White Plains, NY (US);
Abstract
A process for producing high purity hydrogen is disclosed. Specifically, the process includes (1) partially oxidizing a refinery offgas feedstock to produce a synthesis gas mixture of carbon monoxide and hydrogen, (2) reacting the synthesis gas mixture with steam to convert the carbon monoxide into a raw gas mixture which primarily includes carbon dioxide and hydrogen, and (3) purifying the raw gas mixture to produce high purity hydrogen and a reject gas mixture of impurities. In a preferred embodiment, the purification step occurs in a pressure swing adsorption unit. Alternative embodiments are also described, each of which essentially involve the optional treatment and/or use of the reject gas mixture of impurities.