NDLI: The Effect of Preparation Parameters of MCM-41 Supported Pt/Ni Catalysts and their Hydrogenation Properties

Content Provider	Springer Nature Link
Author	Abu Bakar, N. H. H. Bettahar, M. M. Abu Bakar, M. Monteverdi, S. Ismail, J.
Copyright Year	2009
Abstract	A series of Pt50Ni50 supported on MCM-41 catalysts were prepared via wet co-impregnation of the metal salts H2PtCl6 and NiSO4·6H2O. The metal salts were reduced using NaBH4 and catalytic activities of the catalysts were investigated for the hydrogenation of benzene to cyclohexane. The effect of various reduction conditions such as reduction temperature, NaBH4 concentration and the medium in which reduction was carried out was investigated. Results show that optimum catalytic activity occurs when catalysts are synthesized at 273 K using 0.3 M of NaBH4 in a medium of ethanol. The variation in reduction rate with reduction conditions influenced the metal particle morphology which effected catalytic activity. Further comparison of the reactivity of Pt50Ni50 with that of the respective monometallic catalysts synthesized at optimum conditions, show that the Pt50Ni50 exhibited superior reactivity. Surface properties of the catalysts were characterized using H2-TPR, H2-adsorprtion and H2-TPD analyzes. Studies on the morphology of the metal particles and composition were obtained via TEM and SEM equipped with elemental analysis.
Starting Page	440
Ending Page	447
Page Count	8
File Format	PDF
ISSN	1011372X
Journal	Catalysis Letters
Volume Number	130
Issue Number	3-4
e-ISSN	1572879X
Language	English
Publisher	Springer US
Publisher Date	2009-03-17
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Pt/Ni NaBH4 reduction MCM-41 Hydrogenation Pharmacy Industrial Chemistry/Chemical Engineering Physical Chemistry Catalysis
Content Type	Text
Resource Type	Article
Subject	Chemistry Catalysis

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