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Organo-inorganic bentonite for simultaneous adsorption of Acid Orange 10 and lead ions

机译:有机-无机膨润土可同时吸附酸性橙10和铅离子

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摘要

Partial substitution of the interlayer cations of a local bentonite (Bogovina) by hexadecyl trimethylammo-nium ions (HDTMA) was performed to prepare adsorbents able to simultaneously adsorb toxic metal cations and organic pollutants.rnAcid Orange10 adsorption increased with increasing HDTMA addition, while the adsorption of Pb~(2+) decreased with increasing organophilicity. The adsorption of the dye and Pb~(2+) and their mixture onto Na-rich bentonite and HDTMA-bentonites, regardless of adsorbents' organophilicity, obeyed the pseudo-second-order kinetics model.
机译:十六烷基三甲基铵离子(HDTMA)取代了局部膨润土(Bogovina)的层间阳离子,从而制备了能够同时吸附有毒金属阳离子和有机污染物的吸附剂。随着HDTMA添加量的增加,rnAcid Orange10吸附增加,而吸附Pb〜(2+)的含量随亲有机性的增加而降低。染料和Pb〜(2+)及其混合物在富钠膨润土和HDTMA膨润土上的吸附,无论吸附剂的亲有机性如何,均服从拟二级动力学模型。

著录项

  • 来源
    《Applied clay science》 |2010年第4期|452-456|共5页
  • 作者单位

    Institute of Chemistry, Technology and Metallurgy, University of Belgrade, Department of Catalysis and Chemical Engineering, Njegoseva 12, 11000 Belgrade, Republic of Serbia;

    Institute of Chemistry, Technology and Metallurgy, University of Belgrade, Department of Catalysis and Chemical Engineering, Njegoseva 12, 11000 Belgrade, Republic of Serbia;

    Institute of Chemistry, Technology and Metallurgy, University of Belgrade, Department of Catalysis and Chemical Engineering, Njegoseva 12, 11000 Belgrade, Republic of Serbia;

    Institute of Chemistry, Technology and Metallurgy, University of Belgrade, Department of Catalysis and Chemical Engineering, Njegoseva 12, 11000 Belgrade, Republic of Serbia;

    Faculty of Chemistry, University of Belgrade, Studentski trg 12-16, 11000 Belgrade, Republic of Serbia;

    Faculty of Chemistry, University of Belgrade, Studentski trg 12-16, 11000 Belgrade, Republic of Serbia;

    Institute of Chemistry, Technology and Metallurgy, University of Belgrade, Department of Catalysis and Chemical Engineering, Njegoseva 12, 11000 Belgrade, Republic of Serbia;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    organo-bentonite; cation exchange; adsorption; acid Orange 10; lead ion;

    机译:有机膨润土阳离子交换吸附酸橙10;铅离子;
  • 入库时间 2022-08-17 13:55:26

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