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:
Aug. 31, 1976
Filed:
Dec. 05, 1975
John N Dew, Ponca City, OK (US);
Burton M Casad, Ponca City, OK (US);
Eugene A Harlacher, Ponca City, OK (US);
Joseph A Kleinpeter, McMurray, PA (US);
Continental Oil Company, Ponca City, OK (US);
Abstract
An improved method for removing sulfur compounds during coal gas methanation comprising removing essentially all carbon dioxide and hydrogen sulfide from synthesis gas, then adding carbon dioxide containing lower levels of sulfur back to the gas stream before feeding the mixture to a desulfurization reactor. Carbon dioxide, at levels above about 12 percent, will prevent high temperature methanation runaways in the hydrodesulfurization reactor, where a stream consisting essentially of hydrogen sulfide and methanation materials is produced, the lower level of hydrogen sulfide produced being removed by conventional methods before proceeding to methanation units. The carbon dioxide can be supplied either from an outside source or can be obtained from the synthetic natural gas after methanation.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile