Ecotoxicology of heavy metals: Liquid-phase extraction by nanosorbents

The paper considers the problem of extreme toxicity heavy metal compounds dissolved in wastewater and liquid emissions of industrial enterprises to living organisms and environment as a whole. The possibility of increasing extraction efficiency of heavy metal ions by sorption materials was demonstra...

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Bibliographic Details
Published in:IOP conference series. Materials Science and Engineering 2015-11, Vol.98 (1), p.12023
Main Authors: Burakov, A, Romantsova, I, Babkin, A, Neskoromnaya, E, Kucherova, A, Kashevich, Z
Format: Article
Language:English
Subjects:
Activated carbon
Aqueous solutions
Carbon nanotubes
Chemical vapor deposition
Cobalt
Heavy metals
Liquid phases
Metal compounds
Metal oxides
Porous materials
Sorption
Toxicity
Wastewater
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Summary:The paper considers the problem of extreme toxicity heavy metal compounds dissolved in wastewater and liquid emissions of industrial enterprises to living organisms and environment as a whole. The possibility of increasing extraction efficiency of heavy metal ions by sorption materials was demonstrated. The porous space of the latter was modified by carbon nanotubes (CNTs) during process of the chemical vapour deposition (CVD) of carbon on metal oxide catalysts. The increasing of the sorption capacity (10-30%) and the sorption rate of nanomodified activated carbons in comparison with standard materials in the example of absorption of Co2+ and Ni2+ ions from aqueous solutions was proven.
ISSN:1757-8981
1757-899X
DOI:10.1088/1757-899X/98/1/012023