Process and device for the selective catalytic reduction of nitrogen oxides in an oxygen-containing gaseous medium

   
   

The process and the device are provided for the selective catalytic reduction of nitrogen oxides in an oxygen-containing gaseous medium. The reducing agent required for the reaction is prepared in a separate preparation reactor. A substance that can be converted into the reducing agent is introduced into a carrier gas in the preparation reactor and, as a result, is converted by substantially thermal conversion. The energy required for the conversion is provided by the carrier gas.

El proceso y el dispositivo se proporcionan para la reducción catalítica selectiva de los óxidos del nitrógeno en un medio gaseoso oxi'geno-que contiene. El agente de reducción requerido para la reacción está preparado en un reactor separado de la preparación. Una sustancia que se puede convertir en el agente de reducción se introduce en un gas portador en el reactor de la preparación y, consecuentemente, es convertida por la conversión substancialmente termal. La energía requerida para la conversión es proporcionada por el gas portador.

 
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