NOx removal process

Details NOx removal process NOx removal process

1993-05-21

1994-08-23

Straub, Gary P.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Nitrogen or nitrogenous component

423236, 4232391, 208254R, 502 56, 585810, C01B 2120

Patent

active

053405544

ABSTRACT:
A refinery catalyst is regenerated by burning off coke in an air stream to give an off-gas: before cryogenic recovery of hydrocarbons from the off-gas, nitrogen oxides (NOx) are removed from the off-gas by contact with a hydrogenation catalyst.

REFERENCES:
patent: 4029738 (1977-06-01), Courty et al.
patent: 4259303 (1981-03-01), Nakaji et al.
patent: 4320100 (1982-03-01), Engelbrecht et al.
patent: 4828806 (1989-05-01), Flockenhaus et al.
patent: 5037538 (1991-08-01), Chin et al.

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