环氧氯丙烷绿色合成技术研究进展  

Research progress in green synthesis techniques of epichlorohydrin

作　　者：盛依依 Sheng Yiyi(Sinopec Shanghai Research Institute of Petrochemical Technology,Shanghai 201208,China)

机构地区：[1]中国石化上海石油化工研究院,上海201208

出　　处：《石油化工》2021年第7期719-726,共8页Petrochemical Technology

摘　　要：介绍了现有环氧氯丙烷(ECH)的合成技术,包括丙烯高温氯化法、乙酸丙烯酯法、甘油法以及氯丙烯直接环氧化法,并总结了不同合成技术的优缺点;重点介绍了近年来ECH绿色合成技术方面的研究进展,如绿色皂化技术、以磷钨杂多酸盐和钛硅分子筛为催化体系的氯丙烯直接环氧化技术、电化学合成技术等。并对ECH绿色合成技术的发展方向进行了展望,指出氯丙烯直接环氧化技术是最具潜力的绿色ECH合成技术,降低催化剂的制备成本、提高催化剂的活性及稳定性、降低溶剂分离能耗是今后的研究重点。Epichlorohydrin(ECH)synthesis techniques such as high-temperature chlorination of propylene,chlorination of allyl acetate,chlorination of glycerol and direct epoxidation of chloropropylene are reviewed as well as their respective advantages and disadvantages.The latest research progress in green synthesis techniques of ECH,such as green saponification technologies,direct epoxidation of chloropropene using polyoxotungstophosphates and titanium silicate molecular sieve catalytic system and electrochemical synthesis,were emphatically summarized,among which direct epoxidation of chloropropene is the most potential green synthesis technique.Reducing the cost of catalyst synthesis and the energy consumption of solvent separation,and improving the activity and stability of the catalyst are priorities of future research.

关 键 词：环氧氯丙烷 合成 催化剂 过氧化氢 环氧化 

分 类 号：TQ232[化学工程—有机化工]