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:
Jun. 02, 2015
Filed:
Mar. 05, 2012
Applicants:
Clayton C. Sadler, Arlington Heights, IL (US);
Xin X. Zhu, Long Grove, IL (US);
Tokhanh N. Ngo, Glendale Heights, IL (US);
David J. Shecterle, Arlington Heights, IL (US);
Inventors:
Clayton C. Sadler, Arlington Heights, IL (US);
Xin X. Zhu, Long Grove, IL (US);
Tokhanh N. Ngo, Glendale Heights, IL (US);
David J. Shecterle, Arlington Heights, IL (US);
Assignee:
UOP LLC, Des Plaines, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 7/04 (2006.01); C10G 7/00 (2006.01); B01D 3/32 (2006.01); B01D 3/14 (2006.01); B01D 3/42 (2006.01); B01D 3/00 (2006.01);
U.S. Cl.
CPC ...
C10G 7/00 (2013.01); B01D 3/322 (2013.01); B01D 3/14 (2013.01); B01D 3/4205 (2013.01); C07C 7/04 (2013.01); B01D 3/007 (2013.01); Y02B 30/52 (2013.01);
Abstract
Hydrocarbon distillation columns with heat pumps and methods of operating them are described. The overhead stream is compressed to increase temperature so that it can be used both to heat the reboiler and to superheat the overhead stream before it enters the heat pump compressor.