期刊
CHEMISTRYSELECT
卷 8, 期 25, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/slct.202204501
关键词
Glyceric acid; Glycerol carbonate; Glycidol; Lactic acid; Solketal
The increasing production of biodiesel has resulted in an excess of glycerol, leading to the search for alternative applications. One promising approach is the catalytic valorization of glycerol, which converts it into valuable chemicals. Various processes and catalysts have been discussed, along with the challenges and opportunities in glycerol valorization. Overall, this review provides valuable insights for researchers and practitioners in utilizing glycerol.
The increasing production of biodiesel has led to a glut in the production of glycerol, which is a byproduct. This has resulted in the quest for alternative applications using glycerol as a cheap and readily available starting material. One promising approach is the catalytic valorization of glycerol, which converts glycerol into valuable chemicals such as 1,2-propanediol, lactic acid, and acrolein. The glycerol formed affects the efficiency of the biodiesel, and hence it must be removed. Different processes can convert glycerol to various useful products like glycerol carbonate, glycidol, solketal, lactic acid, and glyceric acid. These different products, the processes used for synthesis, and the various catalysts used have been discussed. The most effective methods for the syntheses, the numerous catalyst systems, mechanisms of the reactions, and applications of these products in different fields are discussed in this review. The paper also discusses the challenges and opportunities of glycerol valorization, including the need for improved catalyst selectivity and activity and the potential for integrating glycerol valorization with other biorefinery processes. Overall, the catalytic valorization of glycerol offers a promising pathway for utilizing this abundantly available resource, and this review provides valuable insights for researchers and practitioners working in this area.
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