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Preparation of a Macroporous Silica-Based Pyridine Impregnated Material and Its Adsorption for Palladium
Zhang, AY; Zhu, YP; Liu, YH; Chai, ZF; Chai ZF(柴之芳)
刊名INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
2011
卷号50期号:11页码:6898-6905
学科分类Engineering
DOI10.1021/ie1021893
通讯作者[Zhang, Anyun ; Zhu, Yaping ; Liu, Yunhai ; 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 100049, Peoples R China
文章类型Article
英文摘要A macroporous silica-based 2,6-bis(5,6-di(iso-hexyl)-1,2,4-triazine-3-yl)pyridine (BDIHTP) multinitrogen molecular recognition material, BDIHTP/SiO(2)-P, was prepared. It was performed through impregnation and immobilization of BDIHTP into the pores of the macroporous SiO(2)-P particle support with a mean diameter of 50 mu m. The adsorption of some typical alkali metal and alkaline earths Cs(I), Na(I), K(I), Rb(I), Sr(II), and Ba(II), as well as Pd(II), a representative of precious metals, contained in highly active liquid waste (HLW), onto the BDIHTP/SiO(2)-P material was investigated at 298 K. It was carried out by examining the effects of contact time and the HNO(3) concentration in the range 0.3-5.0 M. BDIHTP/SiO(2)-P showed excellent adsorption ability and high selectivity for Pd(II) over all the tested metals, which had weak or almost no adsorption. It was attributed to the strong chemical complexation of Pd(II), a soft Lewis acid and an electron-pair acceptor, with nitrogen inside BDIHTP, a soft Lewis base and an electron-pair donor. On the basis of the related results, the chromatographic separation of Pd(II) from 1.0 M HNO(3) solution containing the tested metals was performed by BDIHTP/SiO(2)-P packed column. Pd(II) was effectively eluted with 0.2 M thiourea and separated from the others. The results are very beneficial to building an effective partitioning of minor actinides and Pd(II) together from HLW by the BDIHTP/SiO(2)-P materials.
类目[WOS]Engineering, Chemical
研究领域[WOS]Engineering
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语种英语
WOS记录号WOS:000290843900040
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被引频次:10[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/311005/240099
专题院士_期刊论文
作者单位中国科学院高能物理研究所
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Zhang, AY,Zhu, YP,Liu, YH,et al. Preparation of a Macroporous Silica-Based Pyridine Impregnated Material and Its Adsorption for Palladium[J]. INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,2011,50(11):6898-6905.
APA Zhang, AY,Zhu, YP,Liu, YH,Chai, ZF,&柴之芳.(2011).Preparation of a Macroporous Silica-Based Pyridine Impregnated Material and Its Adsorption for Palladium.INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,50(11),6898-6905.
MLA Zhang, AY,et al."Preparation of a Macroporous Silica-Based Pyridine Impregnated Material and Its Adsorption for Palladium".INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH 50.11(2011):6898-6905.
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