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Electrospun Carbon Nanofiber Supported Zero Valent Iron Nanoparticles (nZVI@ECNFs) for Cr (VI) Remediation in Ground and Waste Water

Published online by Cambridge University Press:  30 June 2016

Nikhil R. Mucha ,
Ramesh Ravella ,
Muchha R. Reddy  and
Lifeng Zhang
Nikhil R. Mucha
Affiliation:
Joint School of Nanoscience and Nanoengineering, North Carolina A&T State University, Greensboro, NC 27401, USA. E-mail: lzhang@ncat.edu; Tel: +1 336 285 2875
Ramesh Ravella
Affiliation:
Department of Natural Resources and Environmental Design, North Carolina A&T State University, Greensboro, NC 27401, USA. E-mail: rravella@ncat.edu; Tel: +1 336 285 4848
Muchha R. Reddy
Affiliation:
Department of Natural Resources and Environmental Design, North Carolina A&T State University, Greensboro, NC 27401, USA. E-mail: rravella@ncat.edu; Tel: +1 336 285 4848
Lifeng Zhang*
Affiliation:
Joint School of Nanoscience and Nanoengineering, North Carolina A&T State University, Greensboro, NC 27401, USA. E-mail: lzhang@ncat.edu; Tel: +1 336 285 2875
*
*(Email: lzhang@ncat.edu)
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Abstract

Zero Valent Iron nanoparticles (nZVI) were synthesized and immobilized on electrospun carbon nanofibers (ECNFs) surface in a controllable manner through redox reaction. The novel nanomaterial, ECNFs-supported nZVI (nZVI@ECNFs), were evaluated for Cr(VI) ions removal from water for the first time. nZVI@ECNFs outperformed stand-alone nZVI as well as state-of-the-art nZVI research for Cr(VI) remediation in water. nZVI@ECNFs with 0.4 g/L nZVI loading could remove 100% Cr(VI) from 50 mg/L Cr(VI) aqueous solution in as little as 5 min at pH = 4. This is enabled by coupling nanofibrous form ECNFs with dispersed distribution of individual and/or cluster nZVI on surface of ECNFs. It is envisioned that nZVI@CNFs is going to serve as a novel supported nZVI nanomaterial for super-fast heavy metal remediation in ground water and waste water treatment with adjustable high capacity as well as straightforward and energy-saving heavy metal recovery.

Keywords

fibernanostructurewaste management
Type
Articles
Information
MRS Advances , Volume 1 , Issue 53: Energy and Environment , 2016 , pp. 3593 - 3599
Copyright
Copyright © Materials Research Society 2016 

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