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催化学报  2014 

温和条件下Au/HY催化剂催化氧化丙三醇制丙醇二酸

DOI: 10.1016/S1872-2067(14)60132-7, PP. 1653-1660

Keywords: 催化氧化,丙三醇,,丙醇二酸

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Abstract:

?研究了不同载体负载的Au催化剂催化丙三醇水相选择性氧化制丙醇二酸.与Au/CeO2,Au/AC,Au/REY和Au/NaY催化剂相比,Au/HY上获得了高收率的丙醇二酸.在60℃和0.3MPa氧气压力下,丙三醇转化率达98%,丙醇二酸收率为80%.表征结果表明,小尺寸的Au纳米颗粒对生成丙醇二酸有明显促进作用;反应过程中丙三醇先被催化氧化生成甘油酸,再被进一步氧化生成丙醇二酸.

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