分子筛催化剂催化酯化反应研究进展

Research Progress on Molecular Sieve Catalysts for Esterification Reactions

摘要

综述了近几年国内外改性分子筛催化剂应用于酯化反应的研究进展，主要介绍了金属改性、金属氧化物改性及金属含氧酸盐改性分子筛对催化酯化反应的影响，探讨了催化剂的合成方法、催化剂表面性质（酸性位数量、强度、位置和组成）和结构等与催化性能（反应物转化率、产物选择性和目标产物收率）之间的关系；分子筛催化剂同时具有适当的酸中心和可调的孔结构，在不同尺寸底物的酯化反应中均表现出优异的催化性能。未来可在进一步提高催化剂稳定性、酯化效率以及酯化反应耦合等方面开展深入研究。

Abstract

This paper reviews recent progress in modified molecular sieve catalysts for esterification reactions. It mainly introduces the effects of metal modification, metal oxide modification, and metal-containing oxyacid salt modification of molecular sieves on their catalytic performance in esterification reactions. The relationship between the synthesis methods of the catalysts, the surface properties of the catalysts (the number, strength, position, and composition of acidic sites), and their structures with catalytic performance (reactant conversion rate, product selectivity, and target product yield) is discussed. Molecular sieve catalysts possess suitable acidic centers and tunable pore structures, exhibiting excellent catalytic performance in esterification reactions with substrates of varying sizes. Future research should focus on enhancing catalyst stability, esterification efficiency, and the coupling of esterification reactions.

关键词

分子筛催化剂 / 酯化反应 / 金属改性 / 金属氧化物改性 / 金属含氧酸盐改性

Key words

molecular sieve catalysts / esterification reactions / metal modification / metal oxide modification / metal-containing oxyacid salt modification

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基金资助

宁夏自然科学基金项目(2023AAC02006)

宁夏科技创新领军人才培养计划(2021GKLRLX15)