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Experimental study on turbidity and fluoride removal from mine water containing fluorine

Received Date:2021-12-23

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    Abstract:To treat mine water containing fluorine and high turbidity, polyaluminium chloride (PAC), compound acid fluoride remover... Open+
    Abstract:

    To treat mine water containing fluorine and high turbidity, polyaluminium chloride (PAC), compound acid fluoride remover (MT-701), modified aluminum iron silicon polymer fluoride remover (GMS-F6) and composite fluoride remover (DAMW-03) were tested. The results showed that more than 97% of the turbidity of mine water could be removed by four agents. However, PAC and MT-701 could only reduce the concentration of fluoride to 1.2 mg/L and 1.3 mg/L respectively. The fluoride removal effect of DAMW-03 was better than that of GMS-F6. When the addition amount was 140 mg/L, the fluoride concentration was reduced to 0.83 mg/L and 0.95 mg/L after treated by DAMW-03 and GMS-F6, respectively. The fluoride concentration was reduced to 0.95 mg/L when the dosage of DAMW-03 was 120 mg/L, the dosage of flocculant (PAM) was 1.0 mg/L, the stirring speed was 150 r/min, the stirring time was 60 min and the pH was 6~7.

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    Authors:

    • YANG Guilei1
    • XU Xufeng2,*
    • XU Zhiyuan1
    • GUO Zhongquan2
    • YANG Yang1
    • ZHENG Lixiang2
    • HUANG Wenxian1
    • CUI Dongfeng2

    Units

    • 1.Shaanxi Changwu Tingnan Coal Industry Co., Ltd., Xianyang 713602, China
    • 2.Hangzhou Research Institute of China Coal Technology & Engineering Group, Hangzhou 311201, China

    Keywords

    • Mine water containing fluorine
    • Fluoride removal
    • Turbidity removal

    Citation

    YANG Guilei, XU Xufeng, XU Zhiyuan, et al. Experimental study on turbidity and fluoride removal from minewater containing fluorine[J]. Energy Environmental Protection, 2022, 36(1): 66-71.

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