Regeneration of chemical reconversion catalysts used in a cyclic

Details Regeneration of chemical reconversion catalysts used in a cyclic Regeneration of chemical reconversion catalysts used in a cyclic

1980-08-11

1982-09-28

Konopka, P. E

Chemistry of inorganic compounds

Oxygen or compound thereof

Peroxide

252416, 252418, C01B 15023, B01J 2121

Patent

active

043518206

ABSTRACT:
A process is disclosed for the regeneration, by thermal treatment, of used catalysts for a cyclical process for the production of hydrogen peroxide. According to the process, used aluminosilicate type catalyst is subjected to progressive heating up to a temperature between 700.degree. and 850.degree. C., in the presence of an oxidizing atmosphere circulating co-current to the catalyst being regenerated. The process can be carried out in a rotary furnace inclined to the horizontal by 0.7 to 1% and having radial fins on the lower section of its inner wall, and an adjustable diaphragm at its outlet.

REFERENCES:
patent: 3424696 (1969-01-01), Coingt
patent: 3814701 (1974-06-01), Browning
patent: 3993590 (1976-11-01), Andre et al.

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