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Citation: WANG Bo, ZHANG Fan, HUANG Fu. Preparation of Reduced Graphene Oxide and Its Adsorption Property for Heavy Metal Ions[J]. Chinese Journal of Applied Chemistry, ;2014, 31(4): 502-504. doi: 10.3724/SP.J.1095.2014.30311 shu

Preparation of Reduced Graphene Oxide and Its Adsorption Property for Heavy Metal Ions

1.
College of Chemistry and Chemical Engineering, Jishou University, Jishou 416000, China

Corresponding author: ZHANG Fan,
Received Date: 24 June 2013
Available Online: 22 July 2013
Fund Project: 教育部科学研究重点项目(211124) (211124)湖南省大学生研究性学习和创新性实验计划项目(湘教通[2012]141号) (湘教通[2012]141号)湖南省自然科学基金(11JJ3053) (11JJ3053)湖南省教育厅青年项目(10B087) (10B087)吉首大学研究生科研创新项目(JGY201224) (JGY201224)

Reduced graphene oxide(RGO) was prepared by reducing graphene oxide(GO) with ethylenediamine(EDA).The RGO was characterized by Fourier transform infrared spectroscopy(FT-IR),Raman spectroscopy(Raman),thermogravimetric analysis(TGA),and scanning electron microscopy(SEM).The adsorption behaviors of the RGO toward Pb(Ⅱ),Cd(Ⅱ),Cu(Ⅱ) and Mn(Ⅱ) were studied.The adsorption capacities of RGO are found to be 396.6,115.3,54.2 and 38.6 mg/g for Pb(Ⅱ),Cd(Ⅱ),Cu(Ⅱ) and Mn(Ⅱ),respectively.The adsorbed Pb(Ⅱ) on the RGO can be desorbed in 0.05 mol/L HCl solution.After three cycles of adsorption and desorption,the adsorption capacity of RGO toward Pb(Ⅱ) can remain above 85% of the first adsorption amount.
- graphene oxide,
- heavy metal ions,
- adsorption
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