화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.21, 1112-1118, January, 2015
DOI10.1016/j.jiec.2014.05.022  Export Citation
Polyaniline supported nanocomposite cation exchanger: Synthesis, characterization and applications for the efficient removal of Pb2+ ion from aqueous medium
Rani Bushra1, 2, Mu. Naushad3, †, Rohana Adnan1, Zeid A. ALOthman3, and Mohd Rafatullah4
  • 1School of Chemical Sciences, Universiti Sains Malaysia, 11800 Pulau Pinang, Malaysia
  • 2Analytical Research Laboratory, Department of Chemistry, Aligarh Muslim University, Aligarh, India
  • 3Department of Chemistry, College of Science, Bld#5, King Saud University, Riyadh, Saudi Arabia
  • 4School of Industrial Technology, Universiti Sains Malaysia, 11800 Pulau Pinang, Malaysia
E-mail:
Polyaniline Sn(IV) tungstomolybdate nanocomposite (PSTM) was synthesized by sol-gel method. The physico-chemical properties of PSTM were studied using FTIR, TGA, XRD, SEM, and TEM. The material was successfully used for the removal of Pb2+. Batch experiments were performed as a function of various experimental parameters such as effect of pH (2-8), contact time (5-60 min), initial Pb2+ concentration (10-30 mg L-1) and temperature (20-50 ℃). The removal rate of Pb2+ using PSTM was fast and equilibrium established within 50 min. Kinetic studies showed better applicability for pseudo-firstorder model. The values of thermodynamic parameters (△G°, △H° and △S°) were also computed.
Keywords:Polyaniline Sn(IV) tungstomolybdate;Nanocomposite;Adsorption;Toxic metal;Water sample
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