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Inventor:
Zhao; Xinjin
Address:
Woodbine, MD
No. of patents:
8
Patents:












Patent Number Title Of Patent Date Issued
8084383 Gasoline sulfur reduction catalyst for fluid catalytic cracking process December 27, 2011
The present invention is directed to certain catalyst compositions and processes that are capable of reducing sulfur compounds normally found as part of the gasoline fraction streams of fluid catalytic cracking processes. The present invention is a cracking catalyst composition compr
7641787 Compositions and processes for reducing NO.sub.x emissions during fluid catalytic cracking January 5, 2010
Compositions for reduction of NO.sub.x generated during a catalytic cracking process, preferably, a fluid catalytic cracking process, are disclosed. The compositions comprise a fluid catalytic cracking catalyst composition, preferably containing a Y-type zeolite, and a particulate NO
7304011 Compositions and processes for reducing NO.sub.x emissions during fluid catalytic cracking December 4, 2007
Compositions for reduction of NO.sub.x generated during a catalytic cracking process, preferably, a fluid catalytic cracking process, are disclosed. The compositions comprise a fluid catalytic cracking catalyst composition, preferably containing a Y-type zeolite, and a particulate NO
7153413 Gasoline sulfur reduction in fluid catalytic cracking December 26, 2006
The sulfur content of liquid cracking products, especially the cracked gasoline, is reduced in a catalytic cracking process employing a cracking catalyst containing a high content of vanadium. The cracking process involves introducing at least one vanadium compound into a hydrocarbon
6884744 Zeolite based catalyst of ultra-high kinetic conversion activity April 26, 2005
A catalyst useful in cracking of hydrocarbon feedstock comprising particulate material composed of at least 70 weight percent zeolite and the remainder substantially composed of silica sol, alumina sol or mixtures thereof; wherein the particulate material has a kinetic conversion act
6635168 Gasoline sulfur reduction catalyst for fluid catalytic cracking process October 21, 2003
The present invention is directed to certain catalyst compositions and processes that are capable of reducing sulfur compounds normally found as part of the gasoline fraction streams of fluid catalytic cracking processes. The present invention requires an equilibrium cracking catalyst
6605207 Bayerite alumina clad zeolite and cracking catalysts containing same August 12, 2003
A catalyst suitable for use in fluid catalytic cracking of petroleum feedstock in the form of particulate of crystalline zeolite having a coating on it6s surface comprising bayerite phase alumina.
6482315 Gasoline sulfur reduction in fluid catalytic cracking November 19, 2002
The sulfur content of liquid cracking products, especially the cracked gasoline, of the catalytic cracking process is reduced by the use of a sulfur reduction additive comprising a non-molecular sieve support containing a high content of vanadium. Preferably, the support is alumina.










 
 
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