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:
Mar. 12, 2013
Filed:
Sep. 30, 2009
Yudong Chen, Garnet Valley, PA (US);
Glenn Fair, Katy, TX (US);
Yudong Chen, Garnet Valley, PA (US);
Glenn Fair, Katy, TX (US);
American Air Liquide, Inc., Fremont, CA (US);
Air Liquide Industrial U.S. LP, Houston, TX (US);
Abstract
The present invention provides for various processes for recovering high purity gaseous hydrogen and high purity gaseous carbon dioxide from the gas stream produced using steam hydrocarbon reforming, especially steam methane reforming, utilizing a Hpressure swing adsorption unit in combination with either a COpressure swing adsorption unit in combination with a membrane separation unit or a COpressure vacuum swing adsorption unit in combination with a membrane separation unit. The present invention further relates to a process for optimizing the recovery of carbon dioxide from waste gas streams produced during the hydrogen purification step of a steam hydrocarbon reforming/water gas shift reactor/Hpressure swing adsorption unit utilizing either a COpressure swing adsorption unit in combination with a membrane separation unit or a COpressure vacuum swing adsorption unit in combination with a membrane separation unit. The present invention even further relates to the apparatus necessary to carry out the various processes of the present invention.