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:
May. 12, 2020
Filed:
Jan. 27, 2016
Applicant:
Casale SA, Lugano, CH;
Inventors:
Ermanno Filippi, Castagnola, CH;
Raffaele Ostuni, Lugano, CH;
Assignee:
Casale SA, Lugano, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01C 1/04 (2006.01); C01B 3/02 (2006.01); C22C 38/40 (2006.01); C22C 38/00 (2006.01); B01J 8/06 (2006.01);
U.S. Cl.
CPC ...
C01C 1/0441 (2013.01); B01J 8/06 (2013.01); C01B 3/025 (2013.01); C01C 1/0405 (2013.01); C01C 1/0476 (2013.01); C22C 38/00 (2013.01); C22C 38/40 (2013.01); B01J 2208/02 (2013.01); B01J 2208/06 (2013.01); C01B 2203/0233 (2013.01); C01B 2203/0244 (2013.01); C01B 2203/0405 (2013.01); C01B 2203/0415 (2013.01); C01B 2203/0495 (2013.01); C01B 2203/068 (2013.01); C01B 2203/142 (2013.01); C01B 2203/84 (2013.01); Y02P 20/52 (2015.11);
Abstract
Process and plant for the synthesis of ammonia from a hydrocarbon feedstock, comprising: primary reforming with steam and air-fired secondary reforming wherein primary reforming is performed at a temperature and pressure of at least 790° C. and 50 bar, and secondary reforming is carried out substantially in absence of excess air, the so obtained make-up synthesis gas having a Hto Nmolar ratio in the range 2.5 to 3.