Reactivation of spent cracking catalysts

Details Reactivation of spent cracking catalysts Reactivation of spent cracking catalysts

1992-03-17

1993-03-09

Konopka, Paul E.

Catalyst, solid sorbent, or support therefor: product or process

Regenerating or rehabilitating catalyst or sorbent

Treating with a liquid or treating in a liquid phase,...

208 52CT, 208120, 502516, 502521, B01J 2938, B01J 3862, C10G 1105

Patent

active

051927241

ABSTRACT:
A spent metal contaminated zeolite-containing catalytic cracking catalyst composition is reactivated by a process which comprises contacting with (a) dissolved lactic acid and either (b1) at least one dissolved calcium compound or, alternatively, (b2) at least one dissolved tin compound and at least one dissolved phosphorus compound.

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"Technique for Removing Metal Contaminants From Catalysts", by H. Beuther et al., I&EC Product Research and Development, vol. 2, Mar. 1963, pp. 53-57.

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