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:
Mar. 30, 2010
Filed:
Feb. 03, 2009
Zaiku Xie, Shanghai, CN;
Hui Yao, Shanghai, CN;
Weimin Yang, Shanghai, CN;
Guangwei MA, Shanghai, CN;
Jingxian Xiao, Shanghai, CN;
Liang Chen, Shanghai, CN;
Zaiku Xie, Shanghai, CN;
Hui Yao, Shanghai, CN;
Weimin Yang, Shanghai, CN;
Guangwei Ma, Shanghai, CN;
Jingxian Xiao, Shanghai, CN;
Liang Chen, Shanghai, CN;
Shanghai Research Institute of Petrochemical Technology Sinopec, Shanghai, CN;
China Petroleum & Chemical Corporation, Beijing, CN;
Abstract
A method for preparation of ethylene and propylene by catalytic cracking using a fluid-bed catalyst. The main technical problems to be solved are a relatively high reaction temperature, and low activities and poor selectivities of the catalyst at a low temperature, during the reaction for preparing ethylene and propylene by catalytically cracking naphtha. The fluid-bed catalyst is a composition of the chemical formula MoVABCObased on stoichiometric ratio. The method using the fluid-bed catalyst has satisfactorily solved the above-mentioned problems, and is useful in the industrial production of ethylene and propylene by catalytically cracking naphtha.