화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.17, No.3, 504-509, May, 2011
DOI10.1016/j.jiec.2010.09.022  Export Citation
Removal of Cu(II)-ion over amine-functionalized mesoporous silica materials
Hyung Won Lee1, Hye Jung Cho1, Jin-Heong Yim2, Ji Man Kim3, Jong-Ki Jeon4, Jung Min Sohn5, Kyung-Seun Yoo6, Seung-Soo Kim7, and Young-Kwon Park1, 8, †
  • 1Graduate School of Energy and Environmental System Engineering, University of Seoul, Seoul 130-743, Republic of Korea
  • 2Division of Advanced Materials Engineering, Kongju National University, Cheonan 330-717, Republic of Korea
  • 3Department of Chemistry, BK21 School of Materials Science, Department of Energy Science, Sungkyunkwan University, Suwon 440-746, Republic of Korea
  • 4Department of Chemical Engineering, Kongju National University, Cheonan 330-717, Republic of Korea
  • 5Department of Mineral Resources & Energy Engineering, Chonbuk National University, Jeonju 561-756, Republic of Korea
  • 6Department of Environmental Engineering, Kwangwoon University, Seoul 139-701, Republic of Korea
  • 7Department of Chemical Engineering, Kangwon National University, Samcheok 245-711, Republic of Korea
  • 8School of Environmental Engineering, University of Seoul, Seoul 130-743, Republic of Korea
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The capability for the adsorption of Cu(II)-ion with mesoporous silica materials, such as MCM-41, SBA-15 and XPD-2412, after functionalizing with amine groups, such as aminopropyltriethoxysilane (APTES), N(β-aminoethyl) γ-aminopropylmethyl dimethoxysilane (AEAPMDMS) and N1-(3-(trimethoxysilyl)-propyl) diethylenetriamine (TMSPDETA), was investigated in this study. N2 adsorption, XRD and elemental analysis methods were performed to gain an understanding of the structure and surface properties of the mesoporous silica materials. Of the absorbent materials, MCM-41, functionalized with APTES, showed the best activity for the adsorption of Cu(II)-ion. Compared with the mesoporous silica materials functionalized with APTES, those functionalized with AEAPMDMS and/or TMSPDETA showed lower adsorption capabilities, whichmay have been due to the locations of the amine groups. Most of the amine-organic domains were suggested should exist near the opening of channels or external surfaces. Furthermore, the rate of adsorption of Cu(II)-ions matched well with a pseudo-second-order kinetic model.
Keywords:Cu(II)-ion;Amine functionalized;Mesoporous silica materials
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