Method for treating a nitrogen oxide- and sulphur oxide-containi

Details Method for treating a nitrogen oxide- and sulphur oxide-containi Method for treating a nitrogen oxide- and sulphur oxide-containi

1980-07-28

1981-06-09

Peters, G. O.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Nitrogen or nitrogenous component

B01D 5336

Patent

active

042724970

ABSTRACT:
A method for treating a nitrogen oxide- and sulphur oxide-containing waste gas, in which gaseous ammonia is mixed with said waste gas, the resulting mixed gas is passed in the cross current direction through a first reactor provided with a moving bed of carbonaceous catalyst particles adapted to move downwards, the gas having passed through the upper part of said reaction is discharged outside of the reactor without undergoing treatment, the gas having passed through the lower part of the reactor is mixed with a fresh gaseous ammonia, and this mixed gas is passed in the cross current direction through a second reactor provided with a moving bed of carbonaceous catalyst particles adapted to move downwards and then discharged outside of the reactor.

REFERENCES:
patent: 4003711 (1977-01-01), Hishinuma
patent: 4044102 (1977-08-01), Muraki et al.

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