Regenerable ammonia scrubber

Details Regenerable ammonia scrubber Regenerable ammonia scrubber

1979-11-08

1981-03-31

Peters, G. O.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Nitrogen or nitrogenous component

423351, 423238, 429 17, B01D 5334

Patent

active

042593026

ABSTRACT:
Ammonia gas is scrubbed from a gas stream in a bed of material soaked with acid, and the bed is regenerated by passing an oxygen containing gas therethrough. The preferred acid is phosphoric acid and the preferred support material is carbon in the form of porous particles. In a fuel cell system dual scrubbers alternately scrub ammonia from reform gas and are subsequently regenerated so as to provide the fuel cells with a continuous flow of substantially ammonia free hydrogen.

REFERENCES:
patent: 1319663 (1919-10-01), Davis et al.
patent: 1586327 (1926-05-01), Perrott et al.
patent: 1767057 (1930-06-01), Dotter
patent: 3375140 (1968-03-01), Oswin
patent: 3511596 (1970-05-01), Adler et al.

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