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Spotlight on Large Surface Copper Cluster Role of Cu‐SAPO‐34 Catalyst in Standard NH 3 ‐SCR Performances
Author(s) -
Pétaud Guillaume,
Gaillard François,
Tayakout Melaz,
Gil Sonia,
GiroirFendler Anne
Publication year - 2020
Publication title -
chemcatchem
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.497
H-Index - 106
eISSN - 1867-3899
pISSN - 1867-3880
DOI - 10.1002/cctc.201902036
Subject(s) - copper , x ray photoelectron spectroscopy , catalysis , redox , cluster (spacecraft) , chemistry , in situ , inorganic chemistry , chemical engineering , organic chemistry , computer science , engineering , programming language
In the present study, the catalytic role and behavior of different copper cluster configurations during NH 3 SCR, NO and NH 3 oxidation reactions will be studied in detail. For this purpose, two preparation methods were performed. The physico‐chemical and surface properties were characterized by different techniques, such as XRD, ICP, N 2 ads/des, HR‐TEM, XPS, NMR, ex‐situ/in‐situ DRIFT, NH 3 TPD and H 2 TPR, in order to evaluate the impact of copper incorporation method on redox active sites, and, as a consequence, to better understand the mechanism of the NH 3 SCR reaction.
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