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. 29, 2015
Filed:
Dec. 02, 2010
Applicants:
Suling Zhai, Reading, GB;
Yaping LU, Fanwood, NJ (US);
Inventors:
Suling Zhai, Reading, GB;
Yaping Lu, Fanwood, NJ (US);
Assignee:
Linde Aktiengesellschaft, Munich, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 53/14 (2006.01); B01D 53/02 (2006.01); B01D 53/04 (2006.01); B01D 53/047 (2006.01);
U.S. Cl.
CPC ...
B01D 53/1493 (2013.01); B01D 53/025 (2013.01); B01D 53/047 (2013.01); B01D 53/0462 (2013.01); B01D 53/1425 (2013.01); B01D 2252/204 (2013.01); B01D 2252/20457 (2013.01); B01D 2252/20473 (2013.01); B01D 2252/30 (2013.01); B01D 2257/108 (2013.01); B01D 2257/302 (2013.01); B01D 2257/304 (2013.01); B01D 2257/504 (2013.01); B01D 2257/7022 (2013.01);
Abstract
A method for removing impurities from a feed air gas stream prior to the stream being fed to a cryogenic distillation unit. The feed air gas stream contacts an ionic liquid which adsorbs the impurities from the air. The method can use one or more beds such as in pressure swing adsorption processes.