Hybrid process for nitrogen oxides reduction

Details Hybrid process for nitrogen oxides reduction Hybrid process for nitrogen oxides reduction

1989-08-18

1991-09-10

Heller, Gregory A.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Nitrogen or nitrogenous component

C01B 2100

Patent

active

050472194

ABSTRACT:
The invention presented is a process for reducing the nitrogen oxides concentration in the effluent from the combustion of a carbonaceous fuel. The inventive process comprises introducing into the effluent an oxygenated treatment agent which includes an oxygenated hydrocarbon under conditions effective to oxidize nitric oxide in the effluent to nitrogen dioxide and to produce ammonia; and contacting the effluent with an aqueous absorbing solution having a component capable of causing nitrogen dioxide to be absorbed into the solution.

REFERENCES:
patent: 4276276 (1981-06-01), Van Hook et al.
patent: 4350669 (1982-09-01), Izumi et al.
patent: 4777024 (1988-10-01), Epperly et al.
patent: 4780289 (1988-10-01), Epperly et al.
patent: 4783325 (1988-11-01), Jones
patent: 4830839 (1989-05-01), Epperly et al.

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