Adsorption of Co(II), Ni(II), Pb(II) and U(VI) from Aqueous Solutions using Polyaniline/Graphene Oxide Composites

被引：10
|
作者：
Liu, Zhengjie [1 ]
Yang, Jianwei [2 ]
Li, Changzhen [1 ]
Li, Jiaxing [3 ]
Jiang, Yajuan [4 ]
Dong, Yunhui [1 ]
Li, Yueyun [1 ]
机构：
[1] Shandong Univ Technol, Sch Chem Engn, Zibo 255049, Peoples R China
[2] Shandong Moris Technol Co Ltd, Weifang 262714, Peoples R China
[3] Chinese Acad Sci, Key Lab Novel Thin Film Solar Cells, Inst Plasma Phys, Hefei 230031, Anhui, Peoples R China
[4] Sinopec Beijing Yanshan Co, Qual Inspect & Anal Ctr, Beijing 102500, Peoples R China
来源：
KOREAN CHEMICAL ENGINEERING RESEARCH | 2014年 / 52卷 / 06期
基金：
中国国家自然科学基金;
关键词：
Adsorption; Heavy Metal; Graphene Oxide; Polyaniline;
D O I：
10.9713/kcer.2014.52.6.781
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Polyaniline modified graphene oxide (PANI/GO) composites were synthesized by dilute polymerization technique and were characterized by Fourier transformed infrared spectroscopy (FTIR), Raman spectroscopy, and scanning electron microscopy (SEM). The characterization results indicated that polyaniline molecules were successfully grafted on GO surfaces. The application of PANI/GO composites to the adsorption of heavy metals from aqueous solutions was investigated under ambient conditions. The maximum adsorption capacities of Co(II), Ni(II), Pb(II) and U(VI) ions on PANI/GO composites calculated from Langmuir models are 22.28, 25.67, 65.40 and 1552.31 mg/g, respectively. The excellent adsorption capacity suggests that PANI/GO composites can be applied as a promising adsorbent in heavy metal pollution cleanup in environmental pollution management.
引用
收藏
页码：781 / 788
页数：8
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