Hydrogenation of oleic acid to 9-octadecen-1-ol with rhenium-tin catalyst |
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| Authors: | Thin-Sue Tang Kien-Yoo Cheah Fujio Mizukami Shu-ichi Niwa Makoto Toba Yuen-May Choo |
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| Affiliation: | (1) Palm Oil Research Institute of Malaysia, 50720 Kuala Lumpur, Malaysia;(2) Moleular Recognition Lab., Surface Chemistry Dept., National Institute of Materials and Chemical Research, 1-1 Higashi, 305 Tsukuba, Ibaraki, Japan |
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| Abstract: | A new supported bimetallic catalyst, rhenium-tin, is able to reduce oleic acid to 9-octadecen-1-ol (cis andtrans isomers) with appreciable yield under mild hydrogenation conditions. This paper reports investigations on the effects of
catalyst preparation methods, types of support, catalyst raw materials, mole ratio of the metals, activation and reaction
conditions on the activity and selectivity of the catalyst. Catalyst derived from the combination of ammonium perrhenate and
stannic chloride on alumina gave the best performance, and the presence of tin in the catalyst is essential for the preservation
of the olefinic bond of the oleic acid during hydrogenation. |
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| Keywords: | Hydrogenation 9-octadecen-1-ol oleic acid rheniumtin catalyst |
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