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Synthesis of Sulfated Pt/ZrO2 Catalysts Using Different Precipitants for n-Hexane Hydroisomerization

Published online by Cambridge University Press:  01 February 2011

Guo-Xian Yu ,
Wei Panl ,
Xiao-Long Zhou ,
Li-Fang Chen  and
Jin-An Wang
Guo-Xian Yu
Affiliation:
School of Chemistry and Environmental Engineering, Jianghan University, Wuhan 430056, China
Wei Panl
Affiliation:
School of Chemistry and Environmental Engineering, Jianghan University, Wuhan 430056, China
Xiao-Long Zhou
Affiliation:
School of Chemical Engineering, East China University of Science & Technology, Shanghai 200237, China
Li-Fang Chen
Affiliation:
ESIQIE, Instituto Politécnico Nacional, Av. Politécnico S/N, Col. Zacatenco, 07738 México D.F., México
Jin-An Wang
Affiliation:
ESIQIE, Instituto Politécnico Nacional, Av. Politécnico S/N, Col. Zacatenco, 07738 México D.F., México
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Abstract

Ammonia (AOH), dimethylamine (DME) and triethanolamine (TEA) as precipitants were used to prepare Pt-SO42-/ZrO2 catalysts, and the crystalline structures, textural structures and surface acid properties of the catalyst samples were characterized and n-hexane hydroisomerization activity over the samples were investigated. DME and TEA as the precipitants would delay the crystallization process. The organic amines were difficult to remove during the washing process, leading to the rinsing times increase, which probably decreased the catalyst BET area. Super Lewis acid sites in SZ catalysts would play very important roles in catalytic hydroisomerization activity.

Keywords

Precipitantn-HexaneHydroisomerizationSulfated Zirconia
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1279: New Catalytic Materials , 2010 , 42
Copyright
Copyright © Materials Research Society 2010

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