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

1981-07-14

Niebling, John F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

252438, C11C 312

Patent

active

042786096

ABSTRACT:
Triglyceride oils, which contain besides fatty acids having two double bonds, fatty acids having more than two double bonds, are hydrogenated using palladium, platinum, rhodium and/or iridium as a catalyst, the catalyst being treated with dry ammonia. The hydrogenation is carried out at a temperature of at least 100.degree. C. The hydrogenation progresses in a particularly selective manner. On using, for instance, soyabean oil, which contains about 55% of linoleic acid and 7% of linolenic acid, the amount of linolenic acid can be reduced to 2%, whereby more than 45% of linoleic acid is retained in the hydrogenated product. In case the catalyst is not treated, said amount is only about 35%.

REFERENCES:
patent: 4117242 (1978-09-01), Fozzard
patent: 4161483 (1979-07-01), Cahen
patent: 4228088 (1980-10-01), Kuiper

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