Bacterial iron-oxide nanowires from biofilm waste as a new adsorbent for the removal of arsenic from water

被引：18
|
作者：
Andjelkovic, Ivan [1 ,2 ]
Azari, Sara [1 ]
Erkelens, Mason [1 ]
Forward, Peter [3 ]
Lambert, Martin F. [4 ]
Losic, Dusan [1 ]
机构：
[1] Univ Adelaide, Sch Chem Engn, Adelaide, SA 5005, Australia
[2] Univ Belgrade, Innovat Ctr, Fac Chem, Studentski Trg 12-16, Belgrade, Serbia
[3] SA Water, Adelaide, SA 5005, Australia
[4] Univ Adelaide, Sch Civil Environm & Min Engn, Adelaide, SA 5005, Australia
来源：
RSC ADVANCES | 2017年 / 7卷 / 07期
基金：
澳大利亚研究理事会;
关键词：
ADSORPTION; NANOPARTICLES; SPECTROSCOPY; GROUNDWATER; MINERALS; GRAPHENE; EQUATION; SORPTION; ALUMINUM; CANCER;
D O I：
10.1039/c6ra26379h
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Biofilm, generated by the bacteria in the groundwater pumping system pipelines of the Salt Interception Scheme on the River Murray in South Australia is discarded as a waste material accumulated after periodic cleaning of the pipes. Structural and chemical composition characterizations confirm that this waste material is composed of amorphous twisted iron-oxide nanowires (ION), generated by bacteria, and they have a unique structure and properties. The adsorption performance of these iron-oxide nanowires for arsenic removal from water was evaluated to define their adsorption capacity for As(III) and As(V) and kinetics. Obtained results demonstrate considerable adsorption properties of this waste biological material and suggest its promising application as a new and low-cost adsorbent for water treatment.
引用
收藏
页码：3941 / 3948
页数：8
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