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:
Dec. 21, 2021
Filed:
Aug. 08, 2019
Applicant:
L'air Liquide, Societe Anonyme Pour L'etude ET L'exploitation Des Procedes Georges Claude, Paris, FR;
Inventors:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 53/22 (2006.01);
U.S. Cl.
CPC ...
B01D 53/225 (2013.01); B01D 53/228 (2013.01); B01D 2256/245 (2013.01); B01D 2257/504 (2013.01); C01B 2203/0405 (2013.01); C01B 2203/0475 (2013.01);
Abstract
A facility and method for membrane permeation treatment of a feed gas flow containing at least methane and carbon dioxide that includes a compressor, a gas analyser, at least one valve, and first, second, third, and fourth membrane separation units for separation of COfrom CHto permeates enriched in COand retentates enriched in CH, respectively. A pressure of the feed gas flow is adjusted according to a CHconcentration of the second retentate.