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Heavy Metal Uptake From Contaminated Water Using Carbon Nanotubes: A Review

Author

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  • Humaira Gul

    (Department of Environmental Sciences, International Islamic University, Islamabad, 44000, Pakistan)

  • Saima Nasreen

    (Department of Environmental Sciences, The Women University Multan, Multan, 60000, Pakistan Department of Environmental Sciences, The Women University Multan, Multan, 60000, Pakistan)

Abstract

Now a day’s Heavy metal pollution has become one of the most serious environmental problems. Removal of heavy metals from contaminated water is of special concern due to their recalcitrance and persistence in the environment. Methods like chemical precipitation, ion-exchange, adsorption, membrane filtration, flotation and electrochemical for heavy metal removal have been extensively studied. But these technologies have limited efficiency, extended treatment time and operation. Nanotechnology is highly developed technologies that can be applied for the complete removal of heavy metals from water. This study presents CNT that have been used to treat heavy metal from wastewater. Adsorption is most versatile and widely used method. CNTs as a novel type of adsorbent because of their unique properties like chemical stability, mechanical and thermal stability, and the high surface area. In order to reduce environmental problems, Carbon nano tubes are capable of adsorption of heavy metals. CNT are promising adsorbent material because of their hollow and layered nano sized structures, high mechanical strength and remarkable electrical conductivities.

Suggested Citation

  • Humaira Gul & Saima Nasreen, 2018. "Heavy Metal Uptake From Contaminated Water Using Carbon Nanotubes: A Review," Environmental Contaminants Reviews (ECR), Zibeline International Publishing, vol. 1(2), pages 4-8, June.
    • Handle: RePEc:zib:zbnecr:v:1:y:2018:i:2:p:4-8
    DOI: 10.26480/ecr.02.2018.04.08
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    References listed on IDEAS

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    1. Teri Wang Odom & Jin-Lin Huang & Philip Kim & Charles M. Lieber, 1998. "Atomic structure and electronic properties of single-walled carbon nanotubes," Nature, Nature, vol. 391(6662), pages 62-64, January.
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