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. 24, 2023
Filed:
Jun. 10, 2022
Applicant:
Stamicarbon B.v., Sittard, NL;
Inventors:
Josef Chroust, Maastricht, NL;
Wilhelmus Hubertus Geurts, Born, NL;
Assignee:
STAMICARBON B.V., Sittard, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 273/04 (2006.01); B01J 19/00 (2006.01); B01D 3/00 (2006.01); B01D 5/00 (2006.01); B01D 19/00 (2006.01);
U.S. Cl.
CPC ...
C07C 273/04 (2013.01); B01D 5/0003 (2013.01); B01D 5/0057 (2013.01); B01D 19/0036 (2013.01); B01J 19/002 (2013.01); B01J 2219/00024 (2013.01); B01J 2219/00245 (2013.01);
Abstract
The disclosure pertains to a urea production plant and process using a high-pressure COstripper, downstream medium-pressure treatment unit and a medium-pressure dissociator receiving urea synthesis solution from the reactor, wherein gas from the treatment unit and dissociator are condensed in a first condenser and off-gas from the synthesis section is condensed separately in a second condenser. A revamping method is also described.