Kinetics on the Removal of Cationic Dyes from Aqueous Solutions over Maghnia Montmorillonite Adsorbent

被引：1

作者：

Elaziouti, A. ^{[1
]}

Laouedj, N. ^{[2
]}

机构：

[1] Univ Sci & Technol Oran USTO MB, Fac Sci, Dept Ind Chem, LCPCE Lab, BP 1505 El Mnaouar, Oran 31000, Algeria

[2] DR Moulay Tahar Univ, Saida, Algeria

来源：

JOURNAL OF THE KOREAN CHEMICAL SOCIETY-DAEHAN HWAHAK HOE JEE | 2010年 / 54卷 / 05期

关键词：

Clay; Adsorption; Kinetic; Dye; Methylene blue; Neutral red; Malachite green oxalates;

D O I：

10.5012/jkcs.2010.54.5.603

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The potential feasibility of Maghnia clay as adsorbent to remove three cationic dyes (methylene blue (MB), neutral red (NR) and malachite green oxalates (MG)) from aqueous solution was investigated at various operating parameters such as contact time, pH, initial dye concentration and adsorbent dose. Optimum pH values for dyes adsorption were 6 for NR and 7 for MB and MG, respectively. Maximum adsorption of dyes, i.e. >= 90% has been achieved in aqueous solutions in 60 minutes. The adsorption of dyes followed the pseudo-second-order rate equation.

引用

页码：603 / 610

页数：8

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