Catalytic cracking or dewaxing of hydrocarbon feeds

Details Catalytic cracking or dewaxing of hydrocarbon feeds Catalytic cracking or dewaxing of hydrocarbon feeds

C - Chemistry, Metallurgy

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C10G 47/16 (2006.01) B01J 29/40 (2006.01) B01J 29/46 (2006.01) C10G 11/05 (2006.01) B01J 29/70 (2006.01)

Patent

CA 1300066

F-4325 IMPROVED CATALYTIC CRACKING OR DEWAXING OF HYDROCARBON FEEDS ABSTRACT In the cataytic cracking of gas oils or heavier feeds, retarded catalyst aging is achieved by adding lighter saturated hydrocarbons such as paraffins and/or cycloparaffins to the feed together with employing a highly siliceous zeolite as the cracking catalyst. The unconverted light hydrocarbon may be recovered and recycled. The invention is applicable to fluid catalytic cracking for the manufacture of gasoline and light fuel oil, and also to the catalytic dewaxing process wherein normal paraffins are selectively cracked to reduce the pour point of a fuel oil or of a lubricant-based stock.

569981

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