Process for reacting nitric oxide with hydrogen

Details Process for reacting nitric oxide with hydrogen Process for reacting nitric oxide with hydrogen

1974-07-18

1976-05-04

Hart, Charles N.

Chemistry of inorganic compounds

Nitrogen or compound thereof

Oxygen containing

55 36, 55 48, 55 51, B01D 1900

Patent

active

039549461

ABSTRACT:
Method and apparatus for reacting nitric oxide with H.sub.2 in the presence of noble metal catalysts in which waste gas is obtained by separating the gas contained in a liquid medium flowing countercurrently to the bubbles in a counter-current bubble column. Preferably, only a portion of the separated gas is removed as waste gas, the remainder being recycled. The apparatus comprises a counter-current bubble column having a gas recycling circuit to permit the recycling of excess NO contained in the separated gas.

REFERENCES:
patent: 2628888 (1953-02-01), Benson
patent: 3295925 (1967-01-01), Fueg et al.
patent: 3333399 (1967-08-01), Robinson et al.
patent: 3649170 (1972-03-01), Heine et al.

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