Conversion of sugar-derived aliphatic acids into their corresponding alcohols over Cu-containing catalysts

Title
Conversion of sugar-derived aliphatic acids into their corresponding alcohols over Cu-containing catalysts
Authors
김성민서영웅서동진
Keywords
Copper catalyst; hydrogenation; aliphatic acids
Issue Date
2010-07
Publisher
Sixth Tokyo Conference on Advanced Catalytic Science and Technology and Fifth Asia Pacific Congress on Catalysis
Abstract
Aliphatic acids such as butyric acid and hexanoic acid were hydrogenated over a commercial CuO/ZnO/Al2O3 catalyst. The liquid-phase reaction was conducted in a fixed-bed reactor by varying the pressure of hydrogen and the molar ratio of acid to water. Over copper-containing catalysts, the major products, that is, alcohols as well as ester byproducts were formed directly from aliphatic acids, where the hydrogenation of acids, the esterfication of acids with alcohols and the hydrogenolysis of esters occur concurrently. It was found that the selectivities of alcohols and esters were influenced by not only the presence of water in the liquid phase but the H2 pressure.
URI
http://pubs.kist.re.kr/handle/201004/38340
Appears in Collections:
KIST Publication > Conference Paper
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