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Recent Advances in Thermo-, Photo-, and Electrocatalytic Glycerol Oxidation

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Dodekatos,  Georgios
Research Group Tüysüz, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Schünemann,  Stefan
Research Group Tüysüz, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Tüysüz,  Harun
Research Group Tüysüz, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Citation

Dodekatos, G., Schünemann, S., & Tüysüz, H. (2018). Recent Advances in Thermo-, Photo-, and Electrocatalytic Glycerol Oxidation. ACS Catalysis, 8(7), 6301-6333. doi:10.1021/acscatal.8b01317.


Cite as: http://hdl.handle.net/21.11116/0000-0001-B473-2
Abstract
Glycerol is a highly versatile molecule because of its three hydroxyl groups and can be transformed to a plethora of different value-added fine chemicals and products. It is an important byproduct in biodiesel production and, hence, produced in high amounts, which resulted in a high surplus flooding the market over the last decades. Thus, glycerol is regarded as a potential platform chemical, and many research efforts were devoted to find active catalysts to transform glycerol to various products via different catalytic processes. The selective oxidation reaction is one of the most promising reaction pathways to produce valuable fine chemicals used in the chemical and pharmaceutical industry. This Review describes the recent developments in selective glycerol oxidation to value-added products over heterogeneous catalysts. Particular emphasis is placed not only on newly developed catalysts based on supported noble-metal nanoparticles but also on catalysts containing nonprecious metals. The idea of using cost-efficient non-noble metals for glycerol oxidation is appealing from an economic point of view. Numerous parameters can influence the catalytic performance of the materials, which can be tuned by various synthetic approaches. The reasons for enhancements in activity are critically examined and put into perspective among the various studies. Moreover, during the past decade, many research groups also reported photocatalytic and, more scarcely, electrocatalytic pathways for glycerol oxidation, which are also described in detail herein and have otherwise found little attention in other reviews.