Zhao Ruo
2006
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Journal
Journal of Lanzhou Petrochemical College of Vocational Technology
Abstract
This article adopts chloroactic acid and sodium carbonate as materials to produce Sodium Chloroacetate,while adjusting pH of Sodium Chloroacetate solution to 8~9 and temperature to 70~75 ℃.Then sodium hyposulfite is added to produce Bunte Salt,and sulfuric acid about 10 percent of weight of reactants for acidification with the condition that the temperature is 80~90 ℃ and the time 80 minutes.After doing it,2 percent of weight of reactants powder zinc is added for reduction with the condition that the temperature is 40~50 ℃ and the time 80 minutes.Rough products needs extraction and distillation.Finally product purity may reach to 98.6 percent and yield of the whole reaction may reach to 89.7 percent.