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. 17, 2021
Filed:
Sep. 24, 2015
Applicant:
Casale SA, Lugano, CH;
Inventors:
Sergio Panza, Como, IT;
Costantino Bruni, Lugano, CH;
Assignee:
Casale SA, Lugano, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01C 1/04 (2006.01); C01B 3/02 (2006.01); B01J 3/00 (2006.01);
U.S. Cl.
CPC ...
C01C 1/04 (2013.01); B01J 3/006 (2013.01); C01B 3/025 (2013.01); B01J 2219/00024 (2013.01); C01B 2203/0233 (2013.01); C01B 2203/0244 (2013.01); C01B 2203/04 (2013.01); C01B 2203/068 (2013.01); C01B 2203/1241 (2013.01); C01B 2203/142 (2013.01);
Abstract
A method for revamping an ammonia plant including a steam system, said steam system comprising at least a high-pressure section operating at a first pressure and a medium-pressure section operating at a second pressure lower than said first pressure, the revamping including: the provision of at least one additional heat recovery by means of a steam flow at a third pressure which is intermediate between said first and second pressure, and the provision of a steam export line arranged to export outside the ammonia plant at least a portion of said steam flow at said third pressure.