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Structural snapshots of the SCR reaction mechanism on Cu-SSZ-13.
Günter, Tobias; Carvalho, Hudson W P; Doronkin, Dmitry E; Sheppard, Thomas; Glatzel, Pieter; Atkins, Andrew J; Rudolph, Julian; Jacob, Christoph R; Casapu, Maria; Grunwaldt, Jan-Dierk.
Affiliation
  • Günter T; Institute for Chemical Technology and Polymer Chemistry (ITCP), Karlsruhe Institute of Technology, D-76131 Karlsruhe, Germany. grunwaldt@kit.edu.
Chem Commun (Camb) ; 51(44): 9227-30, 2015 Jun 04.
Article in En | MEDLINE | ID: mdl-25951966
ABSTRACT
The structure of copper sites in Cu-SSZ-13 during NH3-SCR was unravelled by a combination of novel operando X-ray spectroscopic techniques. Strong adsorption of NH3 on Cu, its reaction with weakly adsorbed NO from the gas phase, and slow re-oxidation of Cu(I) were proven. Thereby the SCR reaction mechanism is significantly different to that observed for Fe-ZSM-5.
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Full text: 1 Collection: 01-internacional Database: MEDLINE Language: En Journal: Chem Commun (Camb) Journal subject: QUIMICA Year: 2015 Document type: Article Affiliation country: Germany
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Full text: 1 Collection: 01-internacional Database: MEDLINE Language: En Journal: Chem Commun (Camb) Journal subject: QUIMICA Year: 2015 Document type: Article Affiliation country: Germany