Hydrogenation

Details Hydrogenation Hydrogenation

1981-06-17

1983-08-16

Edmundson, F.

Chemistry: electrical and wave energy

Processes and products

204 73R, C25B 304, C11C 312

Patent

active

043990070

ABSTRACT:
Process for the selective hydrogenation of polyunsaturated compounds with a metallic catalyst. The selectivity is increased and trans-isomerization is decreased by carrying out the hydrogenation in the presence of a catalyst to which, before the hydrogenation is started, an external potential, differing from the naturally occuring equilibrium potential, is applied while in contact with an electrolyte, such as a quaternary ammonium salt, dissolved in a liquid, such as an alcohol or a ketone.

REFERENCES:
patent: 2147177 (1939-02-01), Seto et al.
patent: 2724689 (1955-11-01), Dunmire et al.
patent: 3779875 (1973-12-01), Michelet
patent: 3865853 (1975-02-01), Hinze
patent: 3925173 (1975-12-01), Junghans

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