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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.

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Type
Articles
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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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