Study on the performance and interaction of different synthetic iron oxides for arsenic uptake using 76As radiotracer

被引：8
作者：
Ajith, Nicy [1 ,2 ]
Swain, K. K. [1 ,2 ]
机构：
[1] Bhabha Atom Res Ctr, Analyt Chem Div, Mumbai, Maharashtra, India
[2] HBNI, DAE, Mumbai 400094, Maharashtra, India
来源：
APPLIED RADIATION AND ISOTOPES | 2019年 / 153卷
关键词：
Adsorption; Arsenic; Goethite; Ground water; Magnetite; REMOVAL; ADSORPTION; SORPTION; WATER; AS(V); REMEDIATION; ADSORBENTS; DESORPTION;
D O I：
10.1016/j.apradiso.2019.108807
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
A radiotracer technique was employed to study the sorption of As(III) and As(V) on chemically synthesized iron oxides: magnetite (Fe3O4), goethite (alpha-FeOOH) and hematite (Fe2O3 ) by batch equilibration mode. Magnetite and goethite were found to be promising sorbents for arsenic removal and applied to real ground water from West Bengal, India. A solvent extraction method using benzene was applied for the investigation of oxidation state of sorbed arsenic. A sorption mechanism was proposed for interaction of As(III)/As(V) with iron oxides.
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页数：8
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