C - Chemistry – Metallurgy – 10 – G
Patent
C - Chemistry, Metallurgy
10
G
196/100, 252/5,
C10G 11/05 (2006.01) B01J 29/08 (2006.01) C10G 11/18 (2006.01)
Patent
CA 1189845
Abstract An improved process and catalyst for economically converting carbo-metallic oils to lighter products. This process is practiced in accordance with effective metals manangement, carbon management and catalyst activity management combined with feed atomization- vaporization, efficient stripping of carbonaceous material from the coked catalyst, exothermic and endothermic removal of hydrocarbonaceous material to effectively maintain the RCC unit in heat balance. This reduced crude cracking process is practiced with a new and improved catalyst composition identified as RCCC-1 Special that is characterized by the following composition; at least 30 wt% rare earth exchanged "Y" faujasite crystalline zeolite with a silica to alumina ratio of at least 5 of a high lanthanum to cerium ratio and residual sodium content less than 0.30 wt%, is provided with a pore volume greater that 0.35 cc/gm and comprises a clay matrix material that may or may not be acidic with pore size openings in the range of 500 to 2,000 angstroms. The RCCC-1 Special can contain metal promoters to catalyze the endothermic removal of coke and the partial removal of hydrogen present in the carbonaceous material with carbon dioxide. In addition, metal additives to passivate and immobilize vanadium is comtemplated.
409837
Beck H. Wayne
Hettinger William P. Jr.
Kovach Stephen M.
Zandona Oliver J.
Ashland Oil Inc.
Gowling Lafleur Henderson Llp
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