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:
Sep. 02, 2025
Filed:
May. 26, 2021
Applicant:
Yara International Asa, Oslo, NO;
Inventors:
Assignee:
YARA INTERNATIONAL ASA, Oslo, NO;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01K 13/00 (2006.01); C01C 1/04 (2006.01); C07C 273/04 (2006.01); F04D 25/04 (2006.01); F04D 25/06 (2006.01);
U.S. Cl.
CPC ...
F01K 13/00 (2013.01); C01C 1/0488 (2013.01); C07C 273/04 (2013.01); F04D 25/04 (2013.01); F04D 25/06 (2013.01);
Abstract
The present disclosure provides a plant comprising an ammonia-producing unit and a urea-producing unit. The urea-producing unit comprises a gas compressor, a steam turbine fluidly connected to the ammonia-producing unit for receiving steam produced by the ammonia-producing unit, and connected to the gas compressor for providing power to the gas compressor, and an electric motor, wherein the electric motor is connected to the gas compressor and configured to provide power to the gas compressor. The present disclosure also provides a method for operating an ammonia and urea plant, and a method to revamp an ammonia and urea plant.