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
1990-06-20
1991-03-05
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,...
208216R, 208251H, 208254H, 502 22, 502 49, 502517, 502521, B01J 2394, B01J 3864, C10G 4508
Patent
active
049977997
ABSTRACT:
The present invention relates to a spent hydroprocessing catalyst regeneration process wherein the catalyst is subjected to an initial partial decoking step, followed by the addition of at least one rare earth metal, and then subjected to a final decoking step.
REFERENCES:
patent: 2381659 (1945-08-01), Frey
patent: 4800185 (1989-01-01), Elvin
Clark Frederick T.
Hensley, Jr. Albert L.
Amoco Corporation
Konopka Paul E.
Magidson William H.
Medhurst Ralph C.
Schoettle Ekkehard
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