Selective Oxidation of Glycerol Produces Valuable Products
DOI:
https://doi.org/10.54691/7m5g8q16Keywords:
Glycerol, Selective Oxidation, Photocatalysis, Electrocatalysis, Photoelectrocatalysis, High Value-Added Product.Abstract
Under the situation of green economy, glycerol, as a polyol containing three hydroxyl groups, has high versatility and can be reacted to produce many different and more valuable fine chemicals and products. Glycerol is produced in large quantities in the process of biodiesel production, which is an important by-product of biodiesel production. Therefore, glycerol is considered as a potential platform chemical. Various value-added products of C3-C1 can be obtained by selective oxidation of glycerol via photocatalysis, electrocatalysis and photoelectrocatalysis, to improve the selectivity and yield of the resulting oxidation products. In this paper, the recent progress in the preparation of high value-added products by selective oxidation of glycerol in photocatalysis, electrocatalysis and photoelectrocatalysis is reviewed. The efficiency of various catalysts for glycerol conversion was emphasized. Various factors affecting the catalytic process were discussed. On this basis, the strategies for increasing the yield of glycerol, the limitations of existing catalysts and the future research directions are put forward. The mechanism of selective oxidation of glycerol by various catalytic methods is also discussed.
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