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,...
Patent
1987-07-15
1988-11-15
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, 423 68, 423150, 423328, 423329, 502 24, 502516, B01J 2938, B01J 3864, C01B 3328
Patent
active
047849800
ABSTRACT:
This invention provides for a method of preparing zeolite A from spent metals-contaminated cracking catalyst while concomitantly removing at least a portion of one of the contaminant and catalytic metals from the spent catalyst by contacting the spent catalyst with a solution containing an alkali metal hydroxide and a sufficient amount of sodium aluminate under hydrothermal conditions for a specified period of time to form the zeolite A.
REFERENCES:
patent: 4289608 (1981-09-01), McArthur
patent: 4337144 (1982-06-01), Yoo
patent: 4406823 (1983-09-01), Laurent et al.
Bertolacini Ralph J.
Hirschberg Eugene H.
Amoco Corporation
Konopka Paul E.
Magidson William H.
Medhurst Ralph C.
Schoettle Ekkehard
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