The behaviors of F~-and Cl~-during evaporation crystallization of zinc sulfate solution and drying process of crystallization product were studied.The effects of initial concentration of sulfuric acid,drying temperature and drying time on the behaviors of F~-and Cl~-were examined.The results indicate that during the evaporation of zinc sulfate solution,more than 95% F~-and Cl~-are kept in the liquid phase;after crystallization,F~-mainly distributes in solid phase while most Cl~-remained in liquid phase.In t...
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