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Synthesis of Glycerides of Fatty Acids by Inorganic Solid Catalysts: A Review
ChemBioEng Reviews ( IF 6.2 ) Pub Date : 2021-11-26 , DOI: 10.1002/cben.202100027
Mariana S. Alvarez Serafini 1, 2 , Gabriela M. Tonetto 1, 2
Affiliation  

Homogeneous catalysts in the synthesis of mono- and di-glycerides have received wide acceptability due to their fast reaction rates. However, environmental issues and purification costs have led to the search for alternatives. Heterogeneous catalysts gained the attention of researchers because they can be applied to continuous processes, can be regenerated and can be used multiple times. This study reviews the available literature on solid catalysts used in the production of glycerides of fatty acids. It discusses the preparation methods, the reaction conditions and the results obtained in the three more important synthesis reactions: fatty acid esterification with glycerol, glycerolysis of fatty acid methyl ester and glycerolysis of triglycerides. The reported heterogeneous catalysts that were found to be the most active in the esterification reaction are the ones with strong acid sites. In the case of the glycerolysis, the most studied solid catalysts are Mg, Zn and Ca oxides, resulting in high monoglyceride yield.

中文翻译:

无机固体催化剂合成脂肪酸甘油酯:综述

用于合成甘油单酯和甘油二酯的均相催化剂由于其快速反应速率而得到广泛接受。然而,环境问题和净化成本已导致寻找替代品。多相催化剂因其可应用于连续过程、可再生和可多次使用而受到研究人员的关注。本研究回顾了有关用于生产脂肪酸甘油酯的固体催化剂的现有文献。讨论了三个比较重要的合成反应的制备方法、反应条件和所得结果:脂肪酸与甘油的酯化、脂肪酸甲酯的甘油解和甘油三酯的甘油解。已报道的在酯化反应中最活跃的多相催化剂是具有强酸性位点的催化剂。在甘油解的情况下,研究最多的固体催化剂是 Mg、Zn 和 Ca 的氧化物,导致甘油单酯收率高。
更新日期:2021-11-26
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