酯化合成乙酸正丁酯催化剂的研究进展

Research progress on the catalysts for synthesis of n-butyl acetate by esterification

乙酸正丁酯是一种重要的化工原料,工业上采用硫酸制备乙酸正丁酯的方法面临着副产物多、设备腐蚀严重及污染严重等问题,开发高效环保的新型酯化催化剂是近年来的研究热点。从金属氧化物催化剂、杂多酸催化剂、离子液体催化剂和分子筛催化剂等不同角度综述了乙酸正丁酯催化剂的研究进展,对不同催化剂的优缺点进行了简要归纳,并对乙酸正丁酯催化剂的发展前景进行了展望,提出研制廉价、高效、稳定、绿色且可大规模生产的新型酯化催化剂是今后的研究重点。

n-Butyl acetate is an important chemical raw material.At present,the industrial method to prepare n-butyl acetate using sulfuric acid still faces many problems,such as many byproducts,serious corrosion and environmental pollution.Therefore,the development of new esterification catalysts with high efficiency and environmental protection has been a research hotspot.The related research results of metal oxide catalysts,heteropoly acid catalysts,ionic liquid catalysts and molecular sieve catalysts over the past years were reviewed,and the advantages,disadvantages and development prospects of different catalysts were briefly summarized.Research and development of a new type of cheap,efficient,stable,green and mass-produced esterification catalyst is the focus of future research.