Process of regenerating solid catalysts

Details Process of regenerating solid catalysts Process of regenerating solid catalysts

1997-08-22

2000-05-23

Niebling, John F.

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

Regenerating or rehabilitating catalyst or sorbent

Gas or vapor treating

502 38, 502 54, 502 56, B01J 2034, B01J 3804, B01J 3802

Patent

active

060665866

ABSTRACT:
A process of regenerating catalysts is carried out by removing precipitates of carbonaceous materials from the catalyst. This process comprises contacting a deteriorated catalyst with a nitrogen oxide gas or a nitrogen oxide-containing gas at a temperature ranging between 200.degree. C. and 800.degree. C.

REFERENCES:
patent: 3536631 (1970-10-01), Grosspietch et al.
patent: 4477584 (1984-10-01), Kaeding
patent: 4983560 (1991-01-01), Copperthwaite et al.
Lewis, ed., Hawley's Condensed Chemical Dictionary, 12th ed., pp. 1240-1241 (1993) no month.
B. Douglas, et al. Concepts and Models of Inorganic Chemistry, 3rd ed., pp. 239-240, 244-245, 346 (1994) no month.
D. Considine, ed., Van Nostand's Scientific Encyclopedia, 7th ed., pp.522-526 (1989) no month.
The New Encyclopedia Brittanica, 15th ed. Vol. 1, pp. 173 (1997) no month.

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