Catalytic reduction of NO_x on vanadium exchanged natural zeolite using microwave irradiation
by A.O. Emiroglu; O. Eldogan; M. Teker; A. Keskin; I. Ekmekci
International Journal of Vehicle Design (IJVD), Vol. 59, No. 2/3, 2012

Abstract: Zeolite-based catalysts are used commonly to control NO_x emissions in selective catalytic reduction applications in lean combustion gasoline engines. In this study, a catalyst was prepared by ion-exchange of vanadium promoted using microwave irradiation, over the clinoptilolite type of natural zeolite to selectively reduce the nitrogen oxides, especially in lean combustion conditions with the HCs in the exhaust gas. According to experimental results, the maximum NO_x conversion efficiency reached 28% at temperature of 287°C and space velocity of 30,000 h^-1.

Online publication date: Tue, 23-Apr-2013

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