Process for removing nitric oxides from processing exhaust gases

Details Process for removing nitric oxides from processing exhaust gases Process for removing nitric oxides from processing exhaust gases

1976-11-23

1978-03-28

Peters, G. O.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Nitrogen or nitrogenous component

B01D 5334

Patent

active

040815110

ABSTRACT:
Exhaust gases containing residual nitric oxide constituents from a processing operation are maintained at an elevated pressure, heated to from 260.degree. to 340.degree. C., and subjected to catalytic reduction with ammonia to produce purified exhaust gases. The pressure of the thus purified exhaust gases is then relieved in an expansion turbine.

REFERENCES:
patent: 2975025 (1961-03-01), Cohn et al.
patent: 3279884 (1966-10-01), Nonnenmacher et al.
patent: 3467492 (1976-09-01), Newman
patent: 3897539 (1975-07-01), Fleming

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