Alumina-Supported Ni-Au: Surface Synergistic Effects in Catalytic Hydrodechlorination

Catalytic gas‐phase hydrodechlorination (HDC) of 2,4‐dichlorophenol (2,4‐DCP) has been investigated over Ni/Al2O3 and Au/Al2O3 prepared by impregnation, and Au–Ni/Al2O3 prepared by reductive deposition of Au onto Ni. Catalyst activation by temperature‐programmed reduction is examined and the activat...

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Bibliographic Details
Published in:ChemCatChem 2009-10, Vol.1 (2), p.270-278
Main Authors: Keane, Mark A., Gómez-Quero, Santiago, Cárdenas-Lizana, Fernando, Shen, Wenqin
Format: Article
Language:English
Subjects:
gas-phase reactions
gold
heterogeneous catalysis
nickel
supported catalysts
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Summary:Catalytic gas‐phase hydrodechlorination (HDC) of 2,4‐dichlorophenol (2,4‐DCP) has been investigated over Ni/Al2O3 and Au/Al2O3 prepared by impregnation, and Au–Ni/Al2O3 prepared by reductive deposition of Au onto Ni. Catalyst activation by temperature‐programmed reduction is examined and the activated catalysts are characterized in terms of H2 chemisorption, XRD and TEM‐energy dispersive X‐ray (EDX) measurements. Ni/Al2O3 (
ISSN:1867-3880
1867-3899
DOI:10.1002/cctc.200900070