Electrochemical promotion of NO reduction by C2H4 in 10% O2 using a monolithic electropromoted reactor with Rh/YSZ/Pt elements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

Electrochemical promotion of NO reduction by C2H4 in 10% O2 using a monolithic electropromoted reactor with Rh/YSZ/Pt elements

Authors:	S Souentie A Hammad S Brosda G Foti C G Vayenas

Affiliation:	(1) Department of Chemical Engineering, University of Patras, Caratheodory 1 St., 26504 Patras, Greece;(2) Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne, 1015 Lausanne, Switzerland

Abstract:	The reduction of NO by C₂H₄ in high excess of O₂ and temperatures 200−300 °C was investigated using a monolithic electropromoted reactor (MEPR) with twenty-two Rh/YSZ/Pt parallel plate elements. It was found that at 220–240 °C and 10% O₂ the selective catalytic reduction (SCR) of NO can be electropromoted by 450% with near 100% selectivity to N₂ and Λ_NO values up to 2.4. The corresponding rate enhancement ratio of complete C₂H₄ oxidation is up to 900% with Faradaic efficiency, $\Uplambda _{{{\text{CO}}_{2} }}$ , values up to 350. The system appears promising for practical applications.

Keywords:	Electrochemical promotion NEMCA effect NO reduction Ethylene reductant Monolithic electropromoted reactor Selective catalytic reduction (SCR) of NO Rhodium electrocatalyst Platinum electrocatalyst
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