期刊
APPLIED CLAY SCIENCE
卷 47, 期 3-4, 页码 452-456出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.clay.2009.11.005
关键词
Organo-bentonite; Cation exchange; Adsorption; Acid Orange 10; Lead ion
资金
- Ministry of Science and Technological Development of the Republic of Serbia [166001B]
Partial substitution of the interlayer cations of a local bentonite (Bogovina) by hexadecyl trimethylammonium ions (HDTMA) was performed to prepare adsorbents able to simultaneously adsorb toxic metal cations and organic pollutants. Acid Orange 10 adsorption increased with increasing HDTMA addition, while the adsorption of Pb2+ decreased with increasing organophilicity. The adsorption of the dye and Pb2+ and their mixture onto Na-rich bentonite and HDTMA-bentonites, regardless of adsorbents' organophilicity, obeyed the pseudo-second-order kinetics model. (C) 2009 Elsevier B.V. All rights reserved.
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