Apparatus for the removal of nitrogen burner exhaust

Details Apparatus for the removal of nitrogen burner exhaust Apparatus for the removal of nitrogen burner exhaust

1991-06-28

1992-09-08

Warden, Robert J.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Waste gas purifier

55 78, 55 79, 55 84, 55 99, 165 8, 422170, 422172, 422173, 422175, 423237, 423239, 423242, 423243, B01D 5000

Patent

active

051456524

ABSTRACT:
Method for the removal of nitrogen from the exhausts of burners after they are cleaned of dust or sulfur, in which the nitrogen-bearing exhaust gases are reheated by the transfer of heat from the denitrogenated exhaust gases in a regenerative heat exchanger.
Before they are finally heated to the temperature level of the reduction reaction, the nitrogen-bearing exhaust gases, and, after their reduction, the denitrogenated exhaust gases, are passed countercurrently to one another in a cyclical alternation, through heat exchanging storage masses in an additional catalytic converter serving as the main converter, whose surfaces are provided with catalytically active compounds.

REFERENCES:
patent: 3126945 (1964-03-01), Kuhner
patent: 4003711 (1977-01-01), Hishinuma et al.
patent: 4118199 (1978-10-01), Volker et al.
patent: 4196170 (1980-04-01), Cemenska
patent: 4678643 (1987-07-01), Fetzer

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