Process for the simultaneous separation of sulfur and nitrogen o

Details Process for the simultaneous separation of sulfur and nitrogen o Process for the simultaneous separation of sulfur and nitrogen o

1979-05-16

1981-03-24

Thomas, Earl C.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Nitrogen or nitrogenous component

423244, B01D 5334

Patent

active

042580200

ABSTRACT:
An improved process for the simultaneous separation of sulfur and nitrogen oxides from a gaseous mixture containing said oxides and oxygen is disclosed. The gaseous mixture and ammonia are contacted with a solid sulfur oxides acceptor comprising copper, copper oxide, or mixture thereof dispersed on a carrier material, and wherein said solid acceptor is subjected to cyclic regeneration in contact with a reducing gas, is disclosed. The solid acceptor further contains a rare earth metal, metal oxide or mixture thereof which functions as a sulfur oxides acceptance regeneration promoter as well as a nitrogen oxides conversion catalyst.

REFERENCES:
patent: 3914390 (1975-10-01), Kudo et al.
patent: 4164546 (1979-08-01), Welty
patent: 4192855 (1980-03-01), Ginger

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