Cellulose bearing Schiff base and carboxylic acid chelating groups: a low cost and green adsorbent for heavy metal ion removal from aqueous solution

被引：20
作者：
Saravanan, R. [1 ,2 ]
Ravikumar, L. [1 ,3 ]
机构：
[1] Bharathiar Univ, Ctr Res & Dev, Coimbatore 641046, Tamil Nadu, India
[2] KPR Inst Engn & Technol, Coimbatore 641407, Tamil Nadu, India
[3] Bharathiar Univ, CBM Coll, Dept Chem, Coimbatore 641042, Tamil Nadu, India
来源：
WATER SCIENCE AND TECHNOLOGY | 2016年 / 74卷 / 08期
关键词：
antibacterial activity; heavy metal adsorption; modified cellulose; ADSORPTION; KINETICS;
D O I：
10.2166/wst.2016.296
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Chemically modified cellulose bearing metal binding sites like Schiff base and carboxylic acid groups was synthesized and characterized through Fourier transform infrared and solid state C-13-nuclear magnetic resonance (NMR) analysis. The chemically modified cellulose (Cell-PA) adsorbent was examined for its metal ion uptake ability for Cu(II) and Pb(II) ions from aqueous solution. Kinetic and isotherm studies were carried out under optimum conditions. Pseudo-second-order kinetics and Langmuir isotherm fit well with the experimental data. Thermodynamic studies were also performed along with adsorption regeneration performance studies. The adsorbent (Cell-PA) shows high potential for the removal of Cu(II) and Pb(II) metal ions, and it shows antibacterial activity towards selected microorganisms.
引用
收藏
页码：1780 / 1792
页数：13
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