Reaction Kinetics, Mechanisms and Catalysis
Volume/Issue:
Volume 102: Issue 2
Gas-phase propene epoxidation over Ag/TS-1 prepared by plasma sputtering
Authors:
Jinxue Wang Department of Catalysis Chemistry and Engineering, School of Chemical Engineering, State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024, China

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Min Liu Department of Catalysis Chemistry and Engineering, School of Chemical Engineering, State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024, China

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Xinwen Guo Department of Catalysis Chemistry and Engineering, School of Chemical Engineering, State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024, China

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Hongyu Wu Department of Catalysis Chemistry and Engineering, School of Chemical Engineering, State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024, China

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Jun Xu Key Laboratory for Materials Modification by Laser, Ion, and Electron Beams, Dalian University of Technology, Dalian 116024, China

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Wenqi Lu Key Laboratory for Materials Modification by Laser, Ion, and Electron Beams, Dalian University of Technology, Dalian 116024, China

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Pages:
447–457
Online Publication Date:
12 Dec 2010
Publication Date:
01 Apr 2011
Article Category:
Research Article
DOI:
https://doi.org/10.1007/s11144-010-0267-y
Keywords:
Propene oxide; Epoxidation; Silver; TS-1; Plasma
Restricted access

Abstract

Supported Ag/TS-1 catalysts were prepared by the cool plasma sputtering technique and characterized by BET, SEM/EDX, XRD, UV–Vis and TEM techniques. The Ag loading and particle size on TS-1 were tailored by sputtering time. The catalytic performance of the supported catalysts was tested in the gas-phase propene epoxidation reaction using H2 and O2 at a space velocity of 4000 h−1, and atmospheric pressure. Ag/TS-1 with 1.0–19.9 wt% Ag loading and a Ag particle size around 10–40 nm exhibited a selectivity above 90% in the propene epoxidation reaction at a suitable temperature. Catalysts with high Ag loading and large Ag size cause H2 combustion in O2, leading to propene combustion. The heat evolved in the reaction process may lead to over-oxidation of propene to CO2.

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Cover Reaction Kinetics, Mechanisms and Catalysis
Reaction Kinetics, Mechanisms and Catalysis
Print ISSN:
1878-5190
Online ISSN:
1878-5204

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Reaction Kinetics, Mechanisms and Catalysis
Language English
Size B5
Year of
Foundation		 1974
Volumes
per Year		 1
Issues
per Year		 6
Founder Akadémiai Kiadó
Founder's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
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Publisher		 Chief Executive Officer, Akadémiai Kiadó
ISSN 1878-5190 (Print)
ISSN 1878-5204 (Online)

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