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:
Dec. 25, 2018
Filed:
Jul. 22, 2015
Applicants:
China Petroleum & Chemical Corporation, Beijing, CN;
Shanghai Research Institute of Petrochemical Technology Sinopec, Shanghai, CN;
Inventors:
Assignees:
CHINA PETROLEUM & CHEMICAL CORPORATION, Beijing, CN;
SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY SINOPEC, Shanghai, CN;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 7/04 (2006.01); B01D 3/14 (2006.01); B01D 3/26 (2006.01); C07C 7/00 (2006.01); B01D 3/00 (2006.01);
U.S. Cl.
CPC ...
C07C 7/04 (2013.01); B01D 3/007 (2013.01); B01D 3/148 (2013.01); B01D 3/26 (2013.01); C07C 7/005 (2013.01);
Abstract
An apparatus for recycling propylene includes a first propylene recovery column, a flash tank, a second propylene recovery column, and a depropanizing column. The apparatus can effectively solve the problem of high power consumption in the prior art, and can be used for the industrial manufacturing of propylene recovery from a propylene oxide apparatus. A process for recycling and refining propylene also is described.