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Synthesis of a Novel Macroporous Silica-Calix[4]arene-Crown Supramolecular Recognition Material and its Adsorption for Cesium and some Typical Metals in Highly Active Liquid Waste
Zhang, AY; Xiao, CL; Hu, QH; Chai, ZF; Chai ZF(柴之芳)
2010
发表期刊SOLVENT EXTRACTION AND ION EXCHANGE
卷号28期号:4页码:526-542
通讯作者[Zhang, Anyun ; Xiao, Chengliang ; Hu, Qihui ; Chai, Zhifang] Zhejiang Univ, Dept Chem & Biochem Engn, Hangzhou 310027, Zhejiang, Peoples R China ; [Chai, Zhifang] Chinese Acad Sci, Inst High Energy Phys, Lab Nucl Analyt Tech, Beijing, Peoples R China
文章类型Article
摘要A novel macroporous silica-based 25,27-bis(iso-propyloxy)calix[4]arene-26,28-crown-6 (BiPCalix[4]C6) supramolecular recognition material, BiPCalix[4]C6/SiO2-P, was synthesized. It was prepared by impregnation and the immobilization of the BiPCalix[4]C6 molecule into the pores of the macroporous SiO2-P particles. The adsorption of Cs(I) and some typical elements Na(I), K(I), Rb(I), Sr(II), Ba(II), Ru(III), Mo(VI), La(III), and Y(III) onto the BiPCalix[4]C6/SiO2-P material was investigated. The effects of the HNO3 concentration, contact time, and temperature on the adsorption of the tested metals were studied. It was found that at the optimum concentration of 3.0 M HNO3, BiPCalix[4]C6/SiO2-P exhibited excellent adsorption ability and high selectivity for Cs(I) over all the tested elements, which showed weak or almost no adsorption except Rb(I). A pseudo-second-order model was found to be able to describe the adsorption kinetics of Cs(I). The chemical complexation of Cs(I) with BiPCalix[4]C6/SiO2-P was considered to be the rate-controlling step. Meanwhile, the thermodynamic parameters of the Cs(I) adsorption, H, G, and S were determined. The adsorption of Cs(I) onto BiPCalix[4]C6/SiO2-P was exothermic. It was demonstrated that in 3.0 M HNO3, the novel macroporous BiPCalix[4]C6/SiO2-P material shows promise for the partitioning of Cs(I) from highly active liquid waste.
关键词Macroporous silica-based support supramolecular recognition material cesium adsorption highly active liquid waste
学科领域Chemistry
研究领域[WOS]Chemistry ; Chemistry
DOI10.1080/07366299.2010.490477
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语种英语
研究领域[WOS]Chemistry ; Chemistry
WOS类目Chemistry, Multidisciplinary
WOS记录号WOS:000278420800007
引用统计
被引频次:8[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/237826
专题院士
作者单位中国科学院高能物理研究所
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GB/T 7714
Zhang, AY,Xiao, CL,Hu, QH,et al. Synthesis of a Novel Macroporous Silica-Calix[4]arene-Crown Supramolecular Recognition Material and its Adsorption for Cesium and some Typical Metals in Highly Active Liquid Waste[J]. SOLVENT EXTRACTION AND ION EXCHANGE,2010,28(4):526-542.
APA Zhang, AY,Xiao, CL,Hu, QH,Chai, ZF,&柴之芳.(2010).Synthesis of a Novel Macroporous Silica-Calix[4]arene-Crown Supramolecular Recognition Material and its Adsorption for Cesium and some Typical Metals in Highly Active Liquid Waste.SOLVENT EXTRACTION AND ION EXCHANGE,28(4),526-542.
MLA Zhang, AY,et al."Synthesis of a Novel Macroporous Silica-Calix[4]arene-Crown Supramolecular Recognition Material and its Adsorption for Cesium and some Typical Metals in Highly Active Liquid Waste".SOLVENT EXTRACTION AND ION EXCHANGE 28.4(2010):526-542.
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