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:
Oct. 01, 2013
Filed:
Aug. 26, 2009
Applicants:
Ermanno Filippi, Castagnola, CH;
Marco Badano, Lugano-Besso, CH;
Geoffrey Frederick Skinner, Reading, GB;
Inventors:
Ermanno Filippi, Castagnola, CH;
Marco Badano, Lugano-Besso, CH;
Geoffrey Frederick Skinner, Reading, GB;
Assignee:
Ammonia Casale SA, , CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01B 3/04 (2006.01); C01C 1/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for producing ammonia synthesis gas, where a natural gas feedstock () is reformed in a primary steam reformer () and in a secondary reformer () at a pressure of at least 35 bar; the product syngas () at the output of the secondary reformer is cooled and subject to catalytic medium-temperature shift, converting the CO into COand H; downstream said medium-temperature shift, the carbon dioxide is removed from the syngas by physical absorption.