Method for regeneration of catalysts by removal of nitrogen pois

Details Method for regeneration of catalysts by removal of nitrogen pois Method for regeneration of catalysts by removal of nitrogen pois

1983-12-09

1985-12-24

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,...

208 28, 208111, 208254H, 502 53, 502515, B01J 2938, C10G 4716, C10G 4564

Patent

active

045606706

ABSTRACT:
A method for the regeneration of end-of-cycle catalysts is provided wherein nitrogen and other deleterious poisons are removed prior to hydrogen treatment by passing over the catalyst bed a stripping mixture consisting of an alkyl amine whose basicity is much greater than that of the indigenous nitrogen compounds found in the catalyst.

REFERENCES:
patent: 3048536 (1962-08-01), Coonradt et al.
patent: 3459675 (1969-08-01), Crecelius et al.
patent: 3523887 (1970-08-01), Hanson et al.
patent: 4428825 (1984-01-01), Ward et al.

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