Selective conversion of biomass-derived levulinic acid to ethyl levulinate catalyzed by metal organic framework (MOF)-supported polyoxometalates

文献类型： 外文期刊

第一作者： Guo, Tianmeng

作者： Guo, Tianmeng;Qiu, Mo;Qi, Xinhua

作者机构：

关键词： Levulinic acid; Biofuel; Esterification; Metal-organic frameworks; Polyoxometalates; Biomass

期刊名称：APPLIED CATALYSIS A-GENERAL （ 影响因子：5.706； 五年影响因子：5.639 ）

ISSN： 0926-860X

年卷期： 2019 年 572 卷

页码：

收录情况： SCI

摘要： The esterification of levulinic acid (LA) and ethanol into ethyl levulinate is an attractive biomass conversion process since the product EL has wide applications as food additive, fragrance and fuel. Herein, a metal-organic framework (MOF)-supported phosphomolybdic acid [Cu-BTC] [HPM] was synthesized with 1,3,5-Benzenetricarboxylic acid, copper nitrate and phosphomolybdic acid in a one-step process at ambient temperature. The synthesized [Cu-BTC] [HPM] was used for the catalytic esterification of levulinic acid to EL in ethanol, and showed excellent activity with a high EL yield close to 100% at 120 degrees C for 6 h, which should be ascribed to the uniform dispersion of HPM embedded in the MOF. The [Cu-BTC] [HPM] catalyst could keep stable crystal structure and active component contents, and thus exhibited good stability in recycling process.

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