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. 16, 2010
Filed:
Apr. 20, 2000
Youhao Xu, Beijing, CN;
Bende Yu, Beijing, CN;
Zhigang Zhang, Beijing, CN;
Jun Long, Beijing, CN;
Fukang Jlang, Beijing, CN;
Youhao Xu, Beijing, CN;
Bende Yu, Beijing, CN;
Zhigang Zhang, Beijing, CN;
Jun Long, Beijing, CN;
Fukang Jlang, Beijing, CN;
China Petrochemical Corporation, Beijing, CN;
Research Institute of Petroleum Processing, SINOPEC, Beijing, CN;
Abstract
A riser reactor for fluidized catalytic conversion process consists of a prelift zone, a first reaction zone, a second reaction zone with enlarged diameter, an outlet zone with reduced diameter along coaxial direction form bottom to top, and the end of the outlet zone connects to a horizontal tube. The reactor is used for adjusting different operating conditions to process single or plural feedstock in each different reaction zone for producing the desired product.