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.

Date of Patent:
Dec. 08, 2020

Filed:

Jan. 18, 2019
Applicant:

Casale SA, Lugano, CH;

Inventors:

Raffaele Ostuni, Lugano, CH;

Geoffrey Frederick Skinner, Berkshire, GB;

Assignee:

Casale SA, Lugano, CH;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 273/04 (2006.01); C01C 1/04 (2006.01); F02C 3/22 (2006.01); C01B 21/087 (2006.01); B01J 19/24 (2006.01); C01B 3/48 (2006.01);
U.S. Cl.
CPC ...
C07C 273/04 (2013.01); B01J 19/245 (2013.01); B01J 19/2455 (2013.01); C01B 3/48 (2013.01); C01B 21/087 (2013.01); C01C 1/0417 (2013.01); C01C 1/0452 (2013.01); C01C 1/0488 (2013.01); F02C 3/22 (2013.01); B01J 2219/00006 (2013.01); C01B 2203/0233 (2013.01); C01B 2203/0244 (2013.01); C01B 2203/0255 (2013.01); C01B 2203/0283 (2013.01); C01B 2203/0475 (2013.01); C01B 2203/068 (2013.01); C01B 2203/1241 (2013.01); C01B 2203/142 (2013.01); F05D 2260/61 (2013.01); Y02P 20/10 (2015.11); Y02P 20/129 (2015.11); Y02P 20/52 (2015.11);
Abstract

A process for producing ammonia and a derivative of ammonia from a natural gas feed comprising conversion of natural gas into a make-up synthesis gas; synthesis of ammonia; use of said ammonia to produce said derivative of ammonia, wherein a portion of the natural gas feed is used to fuel a gas turbine; power produced by said gas turbine is transferred to at least one power user of the process, such as a compressor; heat is recovered from exhaust gas of said gas turbine, and at least part of said heat is recovered as low-grade heat available at a temperature not greater than 200° C., to provide process heating to at least one thermal user of the process, such as COremoval unit or absorption chiller; a corresponding plant and method of modernization are also disclosed.


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