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New hydrogenation systems of unsaturated organic compounds using noble metal-deposited palladium sheet electrodes with three-dimensional structures

Published online by Cambridge University Press:  31 January 2011

Chiaki Iwakura ,
Yasuki Yoshida ,
Setsuro Ogata  and
Hiroshi Inoue
Chiaki Iwakura
Affiliation:
Department of Applied Chemistry, College of Engineering, Osaka Prefecture University, Sakai, Osaka 599–8531, Japan
Yasuki Yoshida
Affiliation:
Permelec Electrode Ltd., Fujisawa, Kanagawa 252–0816, Japan
Setsuro Ogata
Affiliation:
Permelec Electrode Ltd., Fujisawa, Kanagawa 252–0816, Japan
Hiroshi Inoue
Affiliation:
Department of Applied Chemistry, College of Engineering, Osaka Prefecture University, Sakai, Osaka 599–8531, Japan
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Abstract

A successive hydrogenation system was constructed using a two-compartment cell separated by a Pd sheet. The hydrogenation rate changed greatly, depending on the kind of substrates used. For the purpose of improving the hydrogenation rate, the surface of a Pd sheet was modified with highly active catalysts such as Pd black, Pt, and Au by using active hydrogen passing through the Pd sheet as a reducing agent. As a result, the hydrogenation rate of unsaturated organic compounds such as 4-methylstyrene was markedly increased by the surface modification with these catalysts due to the increase in reaction zone and appearance of new active sites.

Type
Articles
Information
Journal of Materials Research , Volume 13 , Issue 4 , April 1998 , pp. 821 - 824
Copyright
Copyright © Materials Research Society 1998

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References

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