Gaseous passivation of metal contaminants on cracking catalyst

Details Gaseous passivation of metal contaminants on cracking catalyst Gaseous passivation of metal contaminants on cracking catalyst

1979-09-28

1981-05-19

Konopka, P. E.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

208 52CT, 208113, 208120, 252411R, 252417, 252420, B01J 2938, B01J 2120, C10G 1105, C10G 1104

Patent

active

042684161

ABSTRACT:
A contaminating metal on a cracking catalyst used for the cracking of hydrocarbons is passivated by contacting the catalyst at reduction conditions with a reducing gas such as hydrogen that has been saturated with water at ambient conditions.

REFERENCES:
patent: 2575258 (1951-11-01), Corneil et al.
patent: 2755231 (1956-07-01), Blanding et al.
patent: 3433732 (1969-03-01), Leaman
patent: 4176083 (1979-11-01), McGovern et al.
Oil & Gas Journal-May 15, 1972-pp. 112-122, "Deposited Metals Poison F.C.C. Catalysts-R. N. Cimbalo et al.

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