Process for the selective hydrogenation of triglyceride oils wit

Details Process for the selective hydrogenation of triglyceride oils wit Process for the selective hydrogenation of triglyceride oils wit

1980-06-16

1981-12-22

Niebling, John F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

252438, C11C 312

Patent

active

043070264

ABSTRACT:
Unsaturated fatty acid derivatives which, besides fatty acids with two double bonds, contain fatty acids with more than two double bonds, are hydrogenated in the presence of a palladium, platinum or rhodium catalyst which has been treated with ethylenediamine or a homologue and/or a derivative thereof and at a temperature of -20.degree. to 100.degree. C. The hydrogenation progresses very selectively while very little isomerization to trans-fatty acids occurs.
For example, in the hydrogenation of soya bean oil to a linolenic acid content of 2%, the linoleic acid content only decreases to 45-52%. Under identical conditions an untreated catalyst leads to a linoleic acid content of about 35%.

REFERENCES:
patent: 4117242 (1978-09-01), Fozzard
patent: 4161483 (1979-07-01), Cahen
patent: 4228088 (1980-10-01), Kuiper
Izv. Akad. Nauk. USSR Ser. Khim 7 (1965), 1151-60 as abstracted in Chemical Abstracts, vol. 63 (1965) 11484.
Chemical Abstracts, vol. 59, No. 7, 30.09.1963, column 7762 c, Columbus, OH, U.S.

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