Biosorption of uranium by human black hair

被引：39

作者：

Saini, Amardeep Singh ^{[1
]}

Melo, Jose Savio ^{[1
]}

机构：

[1] Bhabha Atom Res Ctr, Nucl Agr & Biotechnol Div, Bombay 400085, Maharashtra, India

来源：

JOURNAL OF ENVIRONMENTAL RADIOACTIVITY | 2015年 / 142卷

关键词：

Black hair; Uranium; Biosorption; Kinetics; MUCILAGINOUS SEEDS; AQUEOUS-SOLUTIONS; OCIMUM-BASILICUM; ASPERGILLUS-FUMIGATUS; ACTIVATED CARBON; HEAVY-METALS; EQUILIBRIUM; SORPTION; REMOVAL; COPPER;

D O I：

10.1016/j.jenvrad.2015.01.006

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Naturally available low cost materials have gained importance as effective alternative to conventional sorbents for the removal of metal ions from water. The present study describes the use of black hair waste as a sorbent for the removal of uranium ions from an aqueous medium. Alkali treatment of the biomass resulted in a significant increase in its uptake capacity. The optimum pH and contact time for uranium removal were 4.5 and 2 h respectively. It was observed that the experimental data fits well in Ho's pseudo-second order kinetic model. Binding of uranium to the biomass was confirmed using FT-IR spectroscopy. Thus, the present study could demonstrate the utility of human black hair to remove uranium from aqueous medium. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：29 / 35

页数：7

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