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:
Nov. 26, 2013
Filed:
Jun. 09, 2009
Applicants:
Ermanno Filippi, Castagnola, CH;
Geoffrey Frederick Skinner, Berkshire, GB;
Inventors:
Ermanno Filippi, Castagnola, CH;
Geoffrey Frederick Skinner, Berkshire, GB;
Assignee:
Ammonia Casale SA, , CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01C 1/04 (2006.01); C01B 3/24 (2006.01); B01J 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for producing a synthesis gas containing hydrogen and nitrogen, suitable for production of ammonia, wherein a raw synthesis gas () obtained by reforming of a natural gas feedstock is purified in a cryogenic separator (CS), and a portion of purified gas () is expanded and used as a cooling medium in the same separator, said expanded portion () being then re-introduced in the main stream of purified synthesis gas. A suitable apparatus and revamping of conventional plants according to the invention are also disclosed.