Horizontal type coke ovens

Details Horizontal type coke ovens Horizontal type coke ovens

1978-05-10

1980-08-05

Scovronek, Joseph

Distillation: apparatus

Apparatus

Systems

110203, 110345, 423235, 423239, 432 72, 202146, C10B 502

Patent

active

042160600

ABSTRACT:
In a horizontal type coke oven, high temperature waste gas generated in a heating flue chamber and containing nitrogen oxides is discharged into a regenerator. There are provided nozzle openings for injecting ammonia or ammonia precursor to the high temperature waste gas at a position where the temperature of the waste gas is about 750.degree.-1000.degree. C. so as to reduce the nitrogen oxides in the waste gas with the ammonia or ammonia precursor.

REFERENCES:
patent: 3599427 (1971-08-01), Jones et al.
patent: 3846981 (1974-11-01), Paczkowski
patent: 3900554 (1975-08-01), Lyon
patent: 3945331 (1976-03-01), Drake et al.
patent: 3963582 (1976-06-01), Helm et al.
patent: 4051225 (1977-09-01), Shiga et al.
patent: 4113838 (1978-09-01), Koike et al.
patent: 4140654 (1979-02-01), Yoshioke et al.

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