PROCEDE DE TRAITEMENT DE GAZ POUR LA REDUCTION DES EMISSIONS DES OXYDES D'AZOTE

摘要

The invention discloses a method for treating gas to reduce nitrogen oxide emission and a catalyst system for implementing this method. The method is characterised by the use of a catalyst composition essentially consisting of platinum or of platinum and manganese, deposited on a support, and which has been prepared by a method for depositing platinum on the support in which the platinum is brought in the form of a sol.