期刊
CHEMSUSCHEM
卷 2, 期 5, 页码 437-441出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cssc.200800216
关键词
catalysis; ion exchange resins; ethanol; biofuels; zeolites
Furfural, a potential coproduct of levulinic acid, can be converted into levulinic acid via hydrogenation to furfuryl alcohol and subsequent ethanolysis to ethyl levulinate. The ethanolysis reaction is known to proceed in the presence of H(2)SO(4). We show here that several strongly acidic resins are comparably effective catalysts for this reaction. Optimal performance is achieved by balancing the number of acid sites with their accessibility in the resin. Acidic zeolites such as H-ZSM-5 also catalyze this reaction, although with a lower activity and a higher coproduction of diethyl ether.
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