Process for the selective hydrogenation of triglyceride oils...

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

C - Chemistry, Metallurgy

11

C

260/484.6, 260/5

C11C 3/12 (2006.01) B01J 23/40 (2006.01)

Patent

CA 1144176

A 524 (R) Abstract of the Invention 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 hydro- genation is carried out at a temperature of at least 100°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%.

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