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. 15, 2006
Filed:
Jul. 17, 2003
Applicants:
Avinash Malhotra, Sugar Land, TX (US);
Tufail Ahmad, Houston, TX (US);
Bradley Richard Welter, Houston, TX (US);
Inventors:
Avinash Malhotra, Sugar Land, TX (US);
Tufail Ahmad, Houston, TX (US);
Bradley Richard Welter, Houston, TX (US);
Assignee:
Kellogg Brown & Root LLC, Houston, TX (US);
Primary Examiner:
Int. Cl.
CPC ...
F25J 1/00 (2006.01); C01C 1/04 (2006.01); F25B 19/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for manufacturing ammonia from syngas with excess air for reforming and nitrogen removal with low pressure losses is disclosed. Auto-refrigeration for cooling the syngas for cryogenic hydrogen enrichment is provided by expansion of a hydrogen-lean waste fluid stream from a distillation column.