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:
Feb. 02, 2010
Filed:
Dec. 18, 2006
Applicants:
YE Mon Chen, Sugar Land, TX (US);
David Jon Brosten, Anacortes, WA (US);
Benjamin Karl Bussey, Houston, TX (US);
Inventors:
Ye Mon Chen, Sugar Land, TX (US);
David Jon Brosten, Anacortes, WA (US);
Benjamin Karl Bussey, Houston, TX (US);
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J 38/30 (2006.01); B01J 38/04 (2006.01); B01J 38/12 (2006.01); B01J 8/18 (2006.01); F27B 15/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed is an improved regeneration process and system for the regeneration of a spent FCC catalyst in a regenerator without vertical partitions by introducing different fluidization gas streams to different regions of a dense phase catalyst zone at the lower end of the regenerator such as a high velocity central region and a low velocity annular zone are formed, positioned below a common dilute catalyst phase.