A Study of the NOx Selective Catalytic Reduction with Ethanol and Its By-products | Zendy

Aurélien Flura | Zendy; X. Courtois | Zendy; Fabien Can | Zendy; Sébastien Royer | Zendy; Daniel Duprez | Zendy

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A Study of the NOx Selective Catalytic Reduction with Ethanol and Its By-products

Author(s) -

Aurélien Flura,

X. Courtois,

Fabien Can,

Sébastien Royer,

Daniel Duprez

Publication year - 2013

Publication title -

topics in catalysis

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.732

H-Index - 111

eISSN - 1572-9028

pISSN - 1022-5528

DOI - 10.1007/s11244-013-9935-2

Subject(s) - nox , acetaldehyde , catalysis , ethanol , chemistry , selective catalytic reduction , gas phase , inorganic chemistry , organic chemistry , combustion

International audienceThe NOx selective catalytic reduction (SCR) with ethanol has been investigated over alumina supported silver catalyst with a special attention to the main involved reactions depending on the temperature test. With this aim, the possible reducers from ethanol transformations were also evaluated (C2H5OH, CH3CHO, C2H4, CO). In addition, the contributions of the gas phase reactions and the alumina support were also pointed out. Based on the C-products and N-compounds distributions, it is assumed that at low temperature (T < 300 A degrees C), ethanol reacts firstly with NO + O-2 to produce acetaldehyde and N-2. For higher temperatures, two reaction pathways have been proposed, supported by the CH3CHO-SCR results: a direct reaction between NO2 and CH3CHO, or via -NCO species

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