Metals passivation of cracking catalysts

Details Metals passivation of cracking catalysts Metals passivation of cracking catalysts

1993-10-14

1995-02-14

Dees, Carl F.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Cracking

208114, 502 25, 502 64, 502521, C10G 1105, B01J 2906

Patent

active

053892330

ABSTRACT:
A zeolite-containing cracking catalyst is passivated with lithium sulfate and, preferably, at least one additional passivating agent (more preferably at least one antimony compound). The thus-passivated cracking catalyst is employed in a process for catalytically cracking a hydrocarbon-containing oil feed. In another embodiment, lithium sulfate and, preferably, at least one additional passivating agent are added to a hydrocarbon-containing oil feed which is catalytically cracked in the presence of a zeolite-containing cracking catalyst.

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Mellor's Comprehensive Treatise On Inorganic and Theoretical Chemistry, vol. II, Supplement II, John Wiley and Sons, 1961, p. 244.

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