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. 30, 2003
Filed:
Feb. 12, 2001
Applicant:
Inventors:
Carl Joseph Heim, Amherst, NY (US);
Amitabh Gupta, East Amherst, NY (US);
Assignee:
Praxair Technology, Inc., Danbury, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 5/372 ; B01D 5/302 ; B01D 5/304 ; C01B 3/120 ;
U.S. Cl.
CPC ...
B01D 5/372 ; B01D 5/302 ; B01D 5/304 ; C01B 3/120 ;
Abstract
Disclosed are a carbon dioxide purification process and apparatus including (i) an adsorbing step for removing a predetermined amount of hydrocarbons from a carbon dioxide feed gas to reduce the caloric value of the feed stream, and (ii) a catalytic oxidation step located downstream of the adsorbing step for removing residual hydrocarbons from the feed gas by catalytic oxidation.