The 10,000-ton industrial demonstration unit built with patented glycerol epichlorohydrin technology developed by Prof. Shan Yuhua of Changzhou University was recently put into operation at Hebei Haoao Glycerol Chemical Co., Ltd., and the product quality exceeded the national standard for superior grades.
The device couples the chlorination of glycerol with the hydrolysis of phosphorus trichloride, and is designed to produce 10,000 tons of epichlorohydrin and 7,500 tons of crystalline phosphorous acid per year. Its production process adopts the patented technology of pipeline chlorination and special catalysts. The reaction time is short, the product yield is high, the operation is convenient, the energy consumption is low, and the process is stable. Compared with the existing glycerol epichlorohydrin industrial technology, Advantage.
The coupling process takes renewable resources glycerol and by-product hydrogen chloride as raw materials to achieve the utilization of by-products to achieve energy-saving emission reduction and clean production. The use of this technology to replace the traditional high-contamination propylene method has great economic and social benefits.
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