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. 09, 2023
Filed:
Feb. 11, 2022
Applicant:
Uop Llc, Des Plaines, IL (US);
Inventors:
Xin X Zhu, Long Grove, IL (US);
Stephen T. King, Villa Park, IL (US);
Glen John Pomorski, Park Ridge, IL (US);
Joseph Edward Zimmerman, Arlington Heights, IL (US);
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
C07C 7/09 (2006.01); C07C 7/04 (2006.01); B01D 3/14 (2006.01); B01D 1/28 (2006.01); B01D 3/32 (2006.01); C07C 7/00 (2006.01);
U.S. Cl.
CPC ...
C07C 7/09 (2013.01); B01D 1/28 (2013.01); B01D 3/148 (2013.01); B01D 3/322 (2013.01); C07C 7/005 (2013.01); C07C 7/04 (2013.01);
Abstract
A process and apparatus reboil a propylene splitter bottoms by heat exchange and/or a deethanizer bottoms stream with a compressed propylene splitter overhead stream. Use of single splitter compressor and operation of the propane-propylene splitter column at lower pressure are enabled, whereas conventionally two splitter compressors and higher splitter pressure were necessary to provide a propylene product stream and a propane recycle stream of equivalent quality.