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

被引：64

作者：

Jovic-Jovicic, N. ^{[1
]}

Milutinovic-Nikolic, A. ^{[1
]}

Bankovic, P. ^{[1
]}

Mojovic, Z. ^{[1
]}

Zunic, M. ^{[2
]}

Grzetic, I. ^{[2
]}

Jovanovic, D. ^{[1
]}

机构：

[1] Univ Belgrade, Inst Chem Technol & Met, Dept Catalysis & Chem Engn, Belgrade 11000, Serbia

[2] Univ Belgrade, Fac Chem, Belgrade 11000, Serbia

来源：

APPLIED CLAY SCIENCE | 2010年 / 47卷 / 3-4期

关键词：

Organo-bentonite; Cation exchange; Adsorption; Acid Orange 10; Lead ion; TETRACHLOROMETHANE SORPTION; 2; ORGANOBENTONITES; HEAVY-METALS; WASTE-WATER; CONTAMINANTS; CLAY; SMECTITE; CATIONS; PHENOL; DYE;

D O I：

10.1016/j.clay.2009.11.005

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

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.

引用

页码：452 / 456

页数：5

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