Studies on removal of Pb(II) and Cr(III) using graphene oxide based inverse spinel nickel ferrite nano-composite as sorbent
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- 作者：Lakshmi Prasanna Lingamdinnea ; Janardhan Reddy Kodurub ; reddyjchem@gmail.com" class="auth_mail" title="E-mail the corresponding author ; Yu-Lim Choia ; Yoon-Young Changa ; yychang@kw.ac.kr" class="auth_mail" title="E-mail the corresponding author ; Jae-Kyu Yangc ; jkyang@kw.ac.kr" class="auth_mail" title="E-mail the corresponding author
- 关键词：Graphene oxide ; Nano-nickel ferrite ; Hybrid nano-composite ; Heavy metals ; Sorption ; Magnetic studies ; Metal removal
- 刊名：Hydrometallurgy
- 出版年：2016
- 出版时间：October 2016
- 年：2016
- 卷：165
- 期：part_P1
- 页码：64-72
- 全文大小：1263 K
文摘
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The graphene oxide based porous magnetic inverse spinel NiFe2O4 (GONF) is synthesized.
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The techniques of XRD, FT-IR and XPS are used in the characterization of GONF.
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The study demonstrates the suitability of GONF as a potential sorbent for heavy metals.
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Sorption of Pb(II) and Cr(II) is a rate limiting pseudo-second-order reaction.
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Inner-sphere complexation of heavy metals onto GONF surface exhibits the chemisorptions.