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酸改性凹凸棒土处理含铜废水的试验研究

石万里 赵泽华 叶飞 许元顺

石万里, 赵泽华, 叶飞, 许元顺. 酸改性凹凸棒土处理含铜废水的试验研究[J]. 环境工程技术学报, 2018, 8(2): 169-175. doi: 10.3969/j.issn.1674-991X.2018.02.023
引用本文: 石万里, 赵泽华, 叶飞, 许元顺. 酸改性凹凸棒土处理含铜废水的试验研究[J]. 环境工程技术学报, 2018, 8(2): 169-175. doi: 10.3969/j.issn.1674-991X.2018.02.023
SHI Wanli, ZHAO Zehua, YE Fei, XU Yuanshun. Experimental study on adsorption of copper containing wastewater by modified attapulgite[J]. Journal of Environmental Engineering Technology, 2018, 8(2): 169-175. doi: 10.3969/j.issn.1674-991X.2018.02.023
Citation: SHI Wanli, ZHAO Zehua, YE Fei, XU Yuanshun. Experimental study on adsorption of copper containing wastewater by modified attapulgite[J]. Journal of Environmental Engineering Technology, 2018, 8(2): 169-175. doi: 10.3969/j.issn.1674-991X.2018.02.023

酸改性凹凸棒土处理含铜废水的试验研究

doi: 10.3969/j.issn.1674-991X.2018.02.023
详细信息
    作者简介:

    石万里(1990—),男,硕士,主要从事工业废水治理研究,171010567@qq.com

    通讯作者:

    赵泽华 E-mail: zhaozehuahi@163.com

  • 中图分类号: X703

Experimental study on adsorption of copper containing wastewater by modified attapulgite

More Information
    Corresponding author: Zehua ZHAO E-mail: zhaozehuahi@163.com
  • 摘要: 通过酸改性凹凸棒土处理含铜废水试验,研究了酸改性凹凸棒土对含铜废水的吸附性能、吸附过程、吸附热力学、吸附动力学及影响因素。结果表明:在1 mol/L的盐酸改性条件下,凹凸棒土的吸附效率较改性前提升38.61%,酸改性能活化凹凸棒土,显著提高其吸附性能。在温度为20 ℃,铜离子初始浓度为100 mg/L,酸改性凹凸棒土投加量为6 g/L(以铜离子浓度计)的最佳反应条件下,反应25 min后,凹凸棒土对铜离子的去除率达87.57%;凹凸棒土对铜离子的吸附符合一级动力学方程(R 2为0.929)与Redlich-Peterson等温吸附方程(R 2为0.984),表明凹凸棒土的吸附过程属于物理吸附,且随着铜离子初始浓度的提高,凹凸棒土的吸附容量也随之增大。

     

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出版历程
  • 收稿日期:  2017-07-20
  • 刊出日期:  2018-03-20

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