Regeneration of an iron based natural catalyst used in the hydro

Details Regeneration of an iron based natural catalyst used in the hydro Regeneration of an iron based natural catalyst used in the hydro

1987-05-21

1988-06-14

Konopka, Paul E.

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

Regenerating or rehabilitating catalyst or sorbent

Gas or vapor treating

208112, 208124, 502 38, 502 41, B01J 2394, B01J 3816, C10G 4704, C10G 1104

Patent

active

047512105

ABSTRACT:
A process for regenerating a spent, naturally occurring catalyst characterized by an iron content of about 10 to 70 wt. % as metal comprises contacting the spent catalyst with a mixture of water vapor and air in a water vapor/air ratio of between 1:1 to 20:1 at a flow rate of about 0.1 to 50 l/min., a temperature of about 200.degree. to 700.degree. C., a pressure of about 0.3 to 80 atmospheres for a time of about 0.1 to 20 hours so as to obtain a regenerated catalyst having a crystallinity value of about 1.0 to 6.5.

REFERENCES:
patent: 1832217 (1931-11-01), Joseph
patent: 3264209 (1966-08-01), Files, II et al.
patent: 3755202 (1973-08-01), Katsobashivili et al.
patent: 4325812 (1982-04-01), Fujimori et al.
patent: 4678557 (1987-07-01), Rodriguez et al.

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