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. 04, 2009
Filed:
Jul. 24, 2007
Applicants:
Michael W. Bedell, Bethlehem, PA (US);
Patrick J. Maher, Kingwood, TX (US);
Inventors:
Michael W. Bedell, Bethlehem, PA (US);
Patrick J. Maher, Kingwood, TX (US);
Assignee:
ExxonMobil Research & Engineering Company, Annandale, NJ (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B01D 47/00 (2006.01); B01D 53/50 (2006.01);
U.S. Cl.
CPC ...
Abstract
The removal of particulates and acidic gases from the effluent from a fluid catalytic cracking process regenerator. The effluent is treated in two contacting stages with an effective amount of both a caustic solution as well as ammonia and the composition of the contacting solutions in the two stages is independently controlled.