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. 01, 2017
Filed:
Dec. 03, 2013
Applicant:
Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, CN;
Inventors:
Zhongmin Liu, Dalian, CN;
Mao Ye, Dalian, CN;
Tao Zhang, Dalian, CN;
Changqing He, Dalian, CN;
Xiangao Wang, Dalian, CN;
Yinfeng Zhao, Dalian, CN;
Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07C 1/20 (2006.01); C07C 1/207 (2006.01); C07C 1/213 (2006.01); C07C 1/24 (2006.01); C07C 1/247 (2006.01); B01J 38/30 (2006.01); B01J 38/34 (2006.01); B01J 8/26 (2006.01); B01J 8/18 (2006.01); B01J 29/85 (2006.01); B01J 29/90 (2006.01); B01J 38/06 (2006.01); B01J 38/12 (2006.01);
U.S. Cl.
CPC ...
C07C 1/20 (2013.01); B01J 8/1827 (2013.01); B01J 8/1836 (2013.01); B01J 8/1872 (2013.01); B01J 8/26 (2013.01); B01J 29/85 (2013.01); B01J 29/90 (2013.01); B01J 38/06 (2013.01); B01J 38/12 (2013.01); B01J 2208/00902 (2013.01); C07C 2529/85 (2013.01); Y02P 20/584 (2015.11); Y02P 30/42 (2015.11);
Abstract
A method for preparing a light olefin using an oxygen-containing compound, and a device for use thereof, more specifically, taking methanol and/or dimethyl ether as main starting materials, using a multi-stage (n≧2) dense phase fluidized bed reactor and a multi-stage (m≧2) catalyst regenerator, which solves the problem in the prior art of the uniformity of catalyst carbon deposition and the carbon content being difficult to control and the light olefin selectivity being low.