Regeneration process for poisoned Claus alumina catalyst, includ

Details Regeneration process for poisoned Claus alumina catalyst, includ Regeneration process for poisoned Claus alumina catalyst, includ

1983-03-01

1984-09-04

Konopka, P. 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,...

423576, 502517, B01J 2120, C01B 1704

Patent

active

044698038

ABSTRACT:
Poisoned catalyst is regenerated by first subjecting it to an oxidative burn-off and then soaking it in a base, preferably NaOH. The dried product is comparable in Claus activity to fresh catalyst.

REFERENCES:
patent: 4183823 (1980-01-01), George
patent: 4190554 (1980-02-01), Yamauchi et al.

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