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:
May. 12, 1987
Filed:
Nov. 08, 1985
Applicant:
Inventors:
Wiecher D Steenge, Amsterdam, NL;
Ringnerus P van der Werf, Amsterdam, NL;
Jan Haringa, Amsterdam, NL;
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J / ; C10G / ;
U.S. Cl.
CPC ...
422147 ; 55426 ; 422144 ;
Abstract
In a fluidized catalytic cracking apparatus a mixture of hydrocarbon products and hydrocarbon catalyst particles is removed from a reactor riser (1) and introduced into a cyclone separator (2), wherein in order to strip the catalyst particles, primary steam is injected into the cyclone separator (2), and wherein, for additional stripping the catalyst particles are introduced into a stripper assembly (3) comprising at least two interconnected stripper vessels (4, 5) into which secondary steam is introduced.