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. 25, 2020
Filed:
Jun. 26, 2018
Applicant:
Uop Llc, Des Plaines, IL (US);
Inventors:
Hari S. Bajpai, Haryana, IN;
Donald A. Eizenga, Elk Grove Village, IL (US);
Assignee:
UOP LLC, Des Plaines, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
B01D 3/00 (2006.01); B01D 3/26 (2006.01); B01D 3/32 (2006.01); C10G 65/12 (2006.01);
U.S. Cl.
CPC ...
B01D 3/322 (2013.01); B01D 3/009 (2013.01); B01D 3/26 (2013.01); C10G 65/12 (2013.01); C10G 2300/202 (2013.01); C10G 2400/04 (2013.01);
Abstract
A process and apparatus for hydrocracking a hydrocarbon stream and with heat integration between two stripping columns. Both stripping columns use a reboiler for heat input to avoid steam recovery and dew point issues in the overhead. A hot stripped stream can provide heat to the cold stripping column by heat exchange. Additionally, as few as two heaters that rely on external utilities may be required for reboiling fractionator column bottoms.