Process for the selective hydrogenation of fatty acid...

Details Process for the selective hydrogenation of fatty acid... Process for the selective hydrogenation of fatty acid...

C - Chemistry, Metallurgy

11

C

260/484.6, 260/5

C11C 3/12 (2006.01) A23D 5/02 (1980.01)

Patent

CA 1162563

ABSTRACT A process for selectively hydrogenating a fatty acid derivative, such as a triglyceride fat or oil, having fatty acid moieties containing more than two double bonds as well as fatty acid moieties containing two double bonds comprises catalytic hydrogenation in the presence of at least 1.8 mol of ammonia per litre of fatty acid derivative. The high level of ammonia present allows increased selectivity to occur such that the fatty acid moieties containing more than two double bonds are highly selectively hydrogenated to moieties containing a two double bonds. Depending on the catalyst and derivative employed SII values of at least 10 and trans-isomerisation of less than 5 mol% can be derived.

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