Low‐T CO Oxidation over Cu−CHA Catalysts in Presence of NH 3 : Probing the Mobility of Cu II Ions and the Role of Multinuclear Cu II Species

Autor: Roberta Villamaina, Jillian Elaine Collier, Enrico Tronconi, Isabella Nova, Maria Pia Ruggeri, Umberto Iacobone, David Thompsett

Publikováno v: ChemCatChem. 12:3843-3848

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bb456284374659add620caa23f6ae107
https://doi.org/10.1002/cctc.202000734

An investigation on the redox kinetics of NH3-SCR over a V/Mo/Ti catalyst: Evidence of a direct role of NO in the re-oxidation step

Autor: Luca Lietti, Alessandra Beretta, Michael Nash, Jillian Elaine Collier, A. Lanza, Silvia Alcove Clave

Publikováno v: Chemical Engineering Journal. 359:88-98

This study addresses a kinetic investigation of NH3-SCR on commercial SCR catalysts with composition V2O5/MoO3/TiO2. Objective of the study is an improved kinetic description of the reaction, based on the recognition of the redox nature of the V-site

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6be3f8670c1cc64e869eec4e0edf85d4
https://doi.org/10.1016/j.cej.2018.11.047

Speciation of Cu Cations in Cu-CHA Catalysts for NH3-SCR: Effects of SiO2/AlO3 Ratio and Cu-Loading Investigated by Transient Response Methods

Autor: Andrew P. E. York, Enrico Tronconi, Isabella Nova, Maria Pia Ruggeri, Jillian Elaine Collier, Shaojun Liu, Roberta Villamaina, David Thompsett

We develop an experimental protocol to quantify the speciation of Cu ions (ZCuIIOH and Z2CuII) in Cu-CHA catalysts for the NH3 Selective Catalytic Reduction of NOx (NH3-SCR). Toward this end, we performed four transient tests, namely H2-TPR, NO + NH3

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1f8cd3b44d3431f0fb34ed446ac3471f
http://hdl.handle.net/11311/1122960

Low Temperature NO Storage of Zeolite Supported Pd for Low Temperature Diesel Engine Emission Control

Autor: Vladimír Novák, Loredana Mantarosie, Jillian Elaine Collier, Dongxia Liu, Desiree Duran-Martin, Hai-Ying Chen, David Thompsett, Raj Rao Rajaram

Publikováno v: Catalysis Letters. 146:1706-1711

Pd supported on various zeolites has been found to be able to adsorb NO at temperatures below 200 °C with high storage efficiency and capacities in a gas feed which simulate diesel engine exhaust conditions. Highly dispersed Pd at the exchange sites

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c8b917ee20f4a461e2ced907f2fe4dc0
https://doi.org/10.1007/s10562-016-1794-6

Understanding the structure directing action of copper–polyamine complexes in the direct synthesis of Cu-SAPO-34 and Cu-SAPO-18 catalysts for the selective catalytic reduction of NO with NH3

Autor: Bela E. Bode, Alessandro Turrina, David C. Apperley, Paul A. Cox, Paul A. Wright, Jillian Elaine Collier, John Leonello Casci, Eike Christian Viktor Eschenroeder

Publikováno v: Turrina, A, Eschenroeder, E C V, Bode, B E, Collier, J E, Apperley, D C, Cox, P A, Casci, J L & Wright, P A 2015, ' Understanding the structure directing action of copper–polyamine complexes in the direct synthesis of Cu-SAPO-34 and Cu-SAPO-18 catalysts for the selective catalytic reduction of NO with NH 3 ', Microporous and Mesoporous Materials, vol. 215, pp. 154-167 . https://doi.org/10.1016/j.micromeso.2015.05.038

Cu2+ cations complexed by linear polyamines have been studied as structure-directing agents (SDAs) for the direct synthesis of copper-containing microporous silicoaluminophosphate (SAPO) materials. The complexing ligands diethylenetriamine (DETA), N-

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9540e81ebdb74bb50d8b3c8433f97857
https://doi.org/10.1016/j.micromeso.2015.05.038