环氧氯丙烷生产工艺技术及发展前景分析OA

Epichlorohydrin(ECH)is an important organic chemical raw material and fine chemical intermediate,which is widely used in epoxy resins,synthetic glycerol,chlorohydrin rubber and other fields.This paper systematically reviews four industrialized production processes of ECH:propylene high-temperature chlorination,propylene acetate,glycerol chlorination and allyl chloride direct oxidation.A detailed comparative analysis is conducted from the aspects of process principles,techno-economic performance,environmental impact,domestic and international development status,and industrial applications.The research results show that the traditional propylene high-temperature chlorination process is mature but causes serious environmental pollution;the propylene acetate process has high product purity but poor economic efficiency;the glycerol chlorination process can utilize renewable resources but the cost is greatly affected by raw material price fluctuations;the allyl chloride direct oxidation method(hydrogen peroxide method)has outstanding advantages such as high atomic economy,less waste emissions,and high product purity,and is the main development direction for ECH production in the future.