Poly(ethyleneimine)-functionalized Silica-supported Organic-Inorganic Hybrid Sorbent Prepared by Combining Sol-Gel Method and Hydrothermal-assisted Process
文献类型: 外文期刊
作者: He, Lu 1 ; Liu, Dan-Dan 1 ; Wang, Bing-Bing 1 ; Liu, Na 2 ;
作者机构: 1.Univ Sci & Technol Liaoning, Coll Chem Engn, Anshan 114051, Peoples R China
2.Shanghai Acad Agr Sci, Inst Hort Res, Shanghai Key Lab Protected Hort Technol, Shanghai 201106, Peoples R China
期刊名称:CHEMISTRY LETTERS ( 影响因子:1.389; 五年影响因子:1.363 )
ISSN:
年卷期:
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收录情况: SCI
摘要: A novel method of combining sol-gel and hydrothermal-assisted processes was developed to synthesize poly(ethylene-imine)-functionalized silica-supported organic-inorganic hybrid sorbents with high adsorption capacity. Fourier transform infrared spectroscopy and nitrogen gas sorption were utilized to characterize the hybrid sorbents. Poly(ethyleneimine)-func-tionalized hybrid sorbents had high static adsorption capacity of 91.5mgg~(-1) for Pb(II) ions, displayed stable adsorption in the range of pH 4-8, offered a fast rate, and reached an equilibrium within 20 min.
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