Catalytic investigation of Fe-ZSM5 in the selective catalytic reduction of NO<sub>x</sub>with NH<sub>3</sub>期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

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Catalytic investigation of Fe-ZSM5 in the selective catalytic reduction of NO_xwith NH₃

Authors:	Mukundan Devadas Oliver Kr?cher and Alexander Wokaun

Institution:	(1) Paul Scherrer Institute, CH-5232 Villigen PSI, Switzerland;(2) Paul Scherrer Institute, CH-5232 Villigen PSI, Switzerland;(3) Paul Scherrer Institute, CH-5232 Villigen PSI, Switzerland

Abstract:	Summary Fe-ZSM5 coated on a cordierite monolith was characterized and tested in the selective reduction of nitrogen oxides (NO_x) with ammonia. More than 70 % of the NO_xwere converted at T>350 °C if only NO was present in the feed. For equimolar amounts of NO and NO₂in the feed, NO_xconversions of over 90 % were reached for T = 200-450 °C. Hydrothermal ageing of Fe-ZSM5 resulted in a small loss in NO_xconversion and enhanced N₂O formation.

Keywords:	ammonia selective catalytic reduction DeNOx SCR Fe-ZSM5 monolith
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