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镍铁水滑石对水中磷酸根的去除及其解析性能研究

王成 许秋瑾 胡小贞 杨枫 余小梅

王成, 许秋瑾, 胡小贞, 杨枫, 余小梅. 镍铁水滑石对水中磷酸根的去除及其解析性能研究[J]. 环境工程技术学报, 2019, 9(1): 76-81. doi: 10.3969/j.issn.1674-991X.2019.01.011
引用本文: 王成, 许秋瑾, 胡小贞, 杨枫, 余小梅. 镍铁水滑石对水中磷酸根的去除及其解析性能研究[J]. 环境工程技术学报, 2019, 9(1): 76-81. doi: 10.3969/j.issn.1674-991X.2019.01.011
WANG Cheng, XU Qiujin, HU Xiaozhen, YANG Feng, YU Xiaomei. Study on removal and desorption capacity of phosphate from water with NiFe-LDHs[J]. Journal of Environmental Engineering Technology, 2019, 9(1): 76-81. doi: 10.3969/j.issn.1674-991X.2019.01.011
Citation: WANG Cheng, XU Qiujin, HU Xiaozhen, YANG Feng, YU Xiaomei. Study on removal and desorption capacity of phosphate from water with NiFe-LDHs[J]. Journal of Environmental Engineering Technology, 2019, 9(1): 76-81. doi: 10.3969/j.issn.1674-991X.2019.01.011

镍铁水滑石对水中磷酸根的去除及其解析性能研究

doi: 10.3969/j.issn.1674-991X.2019.01.011
详细信息
    作者简介:

    王成(1987—),男,博士,主要从事环境纳米修复材料研究, wangcheng9199@sina.com

    通讯作者:

    许秋瑾 E-mail: xuqj@craes.org.cn

  • 中图分类号: X703

Study on removal and desorption capacity of phosphate from water with NiFe-LDHs

More Information
    Corresponding author: Qiujin XU E-mail: xuqj@craes.org.cn
  • 摘要: 高效、低成本实现污水中磷元素的去除及回收对解决磷危机具有重要的意义。采用共沉淀法结合超声处理技术制备出一系列不同镍铁比(Ni :Fe)的超薄镍铁水滑石(NixFe-LDHs)纳米片,通过构建水滑石Zeta电位和吸附磷酸根($PO_{4}^{3-}$)的能力与镍铁比的关系曲线,发现Zeta电位和结晶性能是影响LDHs吸附性能的2个重要内在因素。当Ni :Fe为2 :1时,其对$PO_{4}^{3-}$的吸附量可达248.00 mg/g。在此基础上,通过适当的再生工艺,经过6次循环后,Ni2Fe-LDHs的再生效率仍可达59.2%。

     

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出版历程
  • 收稿日期:  2018-05-31
  • 刊出日期:  2019-01-20

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