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    YANG Yan-ling, FANG Ke-hua, LI Xing, XU Liu-zhu, ZHOU Wei-ning, WU Zhi-li. Performance on Coagulation-sedimentation Pretreatment of VAE Emulsion Wastewater[J]. Journal of Beijing University of Technology, 2009, 35(4): 527-531.
    Citation: YANG Yan-ling, FANG Ke-hua, LI Xing, XU Liu-zhu, ZHOU Wei-ning, WU Zhi-li. Performance on Coagulation-sedimentation Pretreatment of VAE Emulsion Wastewater[J]. Journal of Beijing University of Technology, 2009, 35(4): 527-531.
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    Performance on Coagulation-sedimentation Pretreatment of VAE Emulsion Wastewater

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    • Coagulation-sedimentation process was used for VAE emulsion wastewater pretreatment.Turbidity and COD removal efficiency by FeCl3 and poly-ferric sulfate(SPFS) were compared.Influence of pH value on coagulation effect of FeCl3 and coagulation aid efficiency of different coagulant aids were investigated to achieve more effective pretreatment method of the VAE emulsion wastewater.Results indicate that coagulation effect of FeCl3 is better than that of SPFS.Optimum rang of pH value is 7-9.Coagulation aid effect of cationic PAM-CZ4060 to FeCl3 is obvious.
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