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Fakultät BCI
Experimental Thesis

Semihydrogenation of polyunsaturated fatty substances

Course of Study: CIW /BIW


Oleic acid methyl ester is a renewable raw material in high demand, not only as an intermediate for petrochemical end products such as biodiesel, but also in the food industry monounsaturated cis-configured fatty substances are of high interest. In addition to this, such fatty substances form a clearly defined natural basis for cosmetics, plastics and detergents. Fats and oils of natural origin always contain a mixture of different triglycerides, which are saturated to varying degrees. With the aid of selective partial hydrogenation after transesterification with methanol, these polyunsaturated fatty acid methyl esters (PUFAMEs) are to be hydrogenated to monounsaturated fatty acid methyl esters without obtaining the saturated downstream product.


  • Carrying out reactions in the glass reactor
  • Commissioning of a 3l autoclave
  • Product mixtures according to specification Production
  • Detailed analysis of fatty mixtures




M. Sc. Maximilian Spiekermann
Room G1-518
+49 231 /755-2313

You can also find this notice in German at Moodle under

Reaktion: C-C-C=C-C-C=C-C-C=C-C-C-C-C-C-C-C-CO-O-C Linolenic acid methyl ester ->(+H2+Cat.) C-C-C-C-C-C=C-C-C=C-C-C-C-C-C-C-C-CO-O-C Linoleic acid methyl ester ->(+H2+Cat.) C-C-C-C-C-C-C-C-C=C-C-C-C-C-C-C-C-CO-O-C Oleic acid methyl ester ->(Crossed out)(+H2+Cat.) C-C-C-C-C-C-C-C-C-C-C-C-C-C-C-C-C-CO-O-C Stearic acid methyl ester © Technische Chemie​/​TU Dortmund
Fig. 1: Stepwise hydrogenation of linolenic acid methyl ester.