Selective oxidation of glycerol over supported noble metal catalysts
Selective oxidation of glycerol over supported noble metal catalysts
复制标题
负载型贵金属催化剂上甘油的选择性氧化
DOI：
10.1016/j.cattod.2020.04.019
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发表时间：
2021-04-07
期刊：
影响因子：
5.3
通讯作者：
Yu, Hao
中科院分区：
文献类型：
--
作者：
He, Zhiyan;Ning, Xiaomei;Yu, Hao
甘油是生物柴油生产的重要副产物，是一种具有三个羟基的功能分子。甘油可以通过不同的催化过程转化，其中甘油在多相催化剂上的选择性氧化因其对环境友好、易于从甘油中生产出各种附加值产品而备受关注。由于反应的结构敏感性，催化活性和产物选择性不仅取决于活性金属中心，还受反应体系的pH值、金属和载体的结构和性质等多种因素的影响。综述了负载型贵金属催化剂上甘油选择氧化的研究进展。重点研究了金属载体和金属-金属相互作用对催化剂电子结构和几何结构的影响以及相应的催化性能，这有助于更好地理解反应机理，更合理地设计催化剂，以提高1，3-二羟基丙酮等目标产物的催化活性和选择性。
Glycerol is a significant by-product of biodiesel production and a functional molecule with three hydroxyl groups. Glycerol can be transformed through different catalytic processes, among which the selective oxidation of glycerol over heterogeneous catalyst is appealing due to its environmental friendliness and the facile production of various value-added products from glycerol. Owing to the structural sensitivity of the reaction, the activity and products selectivity not only depend on the active metal sites, but also is affected by many other factors, such as the pH of the reaction system, the structure and characters of metal and support. This article provides a comprehensive review of recent developments on glycerol selective oxidation over supported noble metal catalysts. Critical attention is paid to the influence of metal-support and metal-metal interactions on the electronic and geometrical structure of catalysts and the consequent catalytic performances, which is conducive to better understanding of the reaction mechanism and more rational design of catalyst to enhance the catalytic activity and selectivity of desired products, such as 1,3-dihydroxyacetone.