1975 US3900554 Lyon Method for the reduction of the concentration of NO in combustion effluents using ammonia SNCR

The subject invention relates to a method for reducing the concentration of NO from combustion effluents, said method comprising the step of contacting an effluent stream containing NO contamination with a sufficient amount of ammonia in the presence of a sufficient amount of O2 and at a sufficient temperature to selectively reduce the NO from said combustion effluent.

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