Optimization of Cd(II) removal from aqueous solution by ascorbic acid-stabilized zero valent iron nanoparticles using response surface methodology

被引：67
作者：
Savasari, Mohaddeseh [1 ]
Emadi, Mostafa [1 ]
Bahmanyar, Mohammad Ali [1 ]
Biparva, Pourya [2 ]
机构：
[1] Sari Univ Agr Sci & Nat Resources, Dept Soil Sci, Sari, Iran
[2] Sari Univ Agr Sci & Nat Resources, Dept Basic Sci, Sari, Iran
来源：
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY | 2015年 / 21卷
关键词：
Aqueous solution; Cd (II) removal; Zero-valent iron nanoparticles; Response surface methodology; CADMIUM ION; ADSORPTION; NANO; CHEMISTRY; THERMODYNAMICS; EQUILIBRIUM; BIOSORPTION; GREEN; LEAD;
D O I：
10.1016/j.jiec.2014.06.014
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The synthesis, characterization and application of ascorbic acid-stabilized zero valent iron nanoparticles (AAS-ZVIN) for Cd (II) removal from aqueous solution were studied. The removal efficiency was investigated using central composite design under response surface methodology with consideration of four factors including the dosage of AAS-ZVIN, pH, contact time and initial Cd (II) concentration. The synthesized nanoparticles were highly stable and efficient for Cd (II) removal. The numerical optimization revealed that the optimum removal (79.68%) obtained at AAS-ZVIN dosage of 2 g L-1 initial Cd (II) concentration of 15 mg L-1, contact time of 60 min and pH of 7. (C) 2014 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
引用
收藏
页码：1403 / 1409
页数：7
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