Plant for the reduction of nitrogen oxide in furnace waste gases

Details Plant for the reduction of nitrogen oxide in furnace waste gases Plant for the reduction of nitrogen oxide in furnace waste gases

1997-03-13

1998-09-29

Tran, Hien

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Waste gas purifier

422171, 422172, 422173, 422177, 165 7, B01D 5334, F01N 310

Patent

active

058142843

ABSTRACT:
A plant for the reduction of nitrogen oxide in furnace waste gases includes a furnace, a reactor serving for selective catalytic reduction, and a regenerative heat exchanger to be used for air preheaters as well as for gas preheaters for the treatment of pollutant-containing waste gases which are in a heat exchange with another medium. The regenerative heat exchanger has stationary or revolving storage masses which are composed at least partially of catalytic material. A reduction agent is supplied to the regenerative heat exchanger. The reactor is arranged concentrically above the regenerative heat exchanger. Preferably, the reactor is placed directly onto the housing of the heat exchanger.

REFERENCES:
patent: 4678643 (1987-07-01), Fetzer
patent: 5145652 (1992-09-01), Veser et al.
patent: 5237939 (1993-08-01), Spokoyny et al.
patent: 5275230 (1994-01-01), Balling et al.
"Design & Arrangement" pp. 22-23 (submitted by Applicant).

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