NITROBENZENE HYDROGENATION OVER ALUMINUM BORATE-SUPPORTED PLATINUM CATALYST

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Title:	NITROBENZENE HYDROGENATION OVER ALUMINUM BORATE-SUPPORTED PLATINUM CATALYST
Authors:	LI,CP;CHEN,YW;WANG,WJ
Contributors:	化學工程與材料工程學系
Keywords:	SOLID ACID CATALYSTS;AROMATIC-HYDROCARBONS;REDUCTION;RH/AL2O3;RHODIUM;NMR
Date:	1994
Issue Date:	2010-06-29 17:34:11 (UTC+8)
Publisher:	中央大學
Abstract:	The hydrogenation of nitrobenzene over platinum catalysts supported on alumina, activated carbon, and aluminum borate was investigated in a liquid phase batch reactor at a temperature of 50-degrees-C and a hydrogen pressure of 1 atm. The characteristics of hydrogen adsorption on these catalysts was determined by temperature-programmed desorption. For all catalysts, the reaction is zeroth order with respect to nitrobenzene and first order to hydrogen. Under the conditions employed in this study, aluminum borate-supported catalyst was found to possess the highest activity. This can be attributed to its stronger hydrogen adsorption. The interaction of boron with metal would affect the electronic structure of the metal which again influences the adsorptive and catalytic properties of metal catalysts.
Relation:	APPLIED CATALYSIS A-GENERAL
Appears in Collections:	[National Central University Department of Chemical & Materials Engineering] journal & Dissertation

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