화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Korean Chemical Engineering Research, Vol.52, No.6, 781-788, December, 2014
Export Citation
Adsorption of Co(II), Ni(II), Pb(II) and U(VI) from Aqueous Solutions using Polyaniline/Graphene Oxide Composites
Zhengjie Liu, Jianwei Yang1, Changzhen Li, Jiaxing Li2, Yajuan Jiang3, Yunhui Dong, and Yueyun Li†
  • School of Chemical Engineering, Shandong University of Technology, Zibo 255049, P. R. China
  • 1Shandong Moris Technology Co., Ltd., Weifang 262714, P. R. China
  • 2Key Laboratory of Novel Thin Film Solar Cells, Institute of Plasma Physics, Chinese Academy of Sciences, P.O. Box 1126, 230031, Hefei, P.R. China
  • 3Quality Inspection and Analysis Center, Sinopec Beijing Yanshan Company, 102500, Beijing, R.P. China
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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.
Keywords:Adsorption;Heavy Metal;Graphene Oxide;Polyaniline
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