NOVEL D2EHPA-SILSESQUIOXANE-BASED SORBENT FOR METALLIC CATIONS SEPARATION

机译：用于金属阳离子分离的新型D2EHPA-倍半硅氧烷基吸附剂

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The development of materials for effective and economical waste treatment which incorporate selective extractants is nowadays an interesting alternative to overcome traditional separation methods drawbacks. In this work the extractant bis(2-ethylhexyl) hydrogenphosphate(D2EHPA) entrapped in a silsesquioxane has been prepared, characterized and used for Pb(Ⅱ), Cd(Ⅱ), Cu(Ⅱ) and Zn(Ⅱ) separation from several media. The sorption properties of the material were evaluated in batch experiments. The high loading capacities together with desorption and kinetic data suggest this sorbent to be a promising material for Pb(Ⅱ), Cd(Ⅱ), and Zn(Ⅱ) removal depending on aqueous media composition.

机译：如今，开发有效且经济的废物处理材料并加入选择性萃取剂是克服传统分离方法缺点的一种有趣的替代方法。制备了倍半硅氧烷中截留的萃取剂双（2-乙基己基）磷酸氢根（D2EHPA），表征并用于多种介质中Pb（Ⅱ），Cd（Ⅱ），Cu（Ⅱ）和Zn（Ⅱ）的分离。。在分批实验中评估了材料的吸附性能。高吸附量以及解吸和动力学数据表明，该吸附剂是一种有望去除Pb（Ⅱ），Cd（Ⅱ）和Zn（Ⅱ）的材料，具体取决于水性介质的组成。

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来源
《Global Symposium on Recycling, Waste Treatment and Clean Technology; 20040926-29; Madrid(ES)》|2004年|P.1177-1180|共4页
会议地点 Madrid(ES)
作者
Mariano Sanchez-Castellanos; Ricardo F. Veliz-Fuentes; Eduardo Rodriguez de San Miguel; Josefina de Gyves;
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作者单位

Departamento de Quimica Analitica. Facultad de Quimica. UNAM. Ciudad Uiiversitaria 04510,Mexico, D.F. Mexico;

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原文格式 PDF
正文语种 eng
中图分类废物处理与综合利用;
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机译：无机吸附剂在act系分离过程中的应用

NOVEL D2EHPA-SILSESQUIOXANE-BASED SORBENT FOR METALLIC CATIONS SEPARATION

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