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              • Process flow description:
              • A. process in the presence of solvent toluene, benzene chloride and magnesium salt to produce magnesium Grignard reagent.
              • B. Grignard reagent magnesium and phosphorus trichloride to lattice, triphenyl phosphine and magnesium chloride mixture formation, with 20% sulfuric acid hydrolysis and oil washing.
              • C. after washing the oil layer is heated and concentrated, and then cooled and crystallized, and the three phenyl phosphate is obtained.
              • D. then re crystallized with methanol to obtain three phenyl phosphate fine.
              • E. will re crystallization of the products into the dryer, vacuum drying.
              • F. dry goods by the analysis of qualified, packaging products.