Adsorption of Th(IV) and U(VI) on functionalized SBA-15 mesoporous silica materials using fixed bed column method; breakthrough curves prediction and modeling

被引：34
|
作者：
Dolatyari, Leila [1 ]
Yaftian, Mohammad Reza [1 ]
Rostamnia, Sadegh [2 ]
机构：
[1] Univ Zanjan, Dept Chem, Phase Equilibria Res Lab, Fac Sci, Zanjan 4537139791, Iran
[2] Univ Maragheh, Dept Chem, Organ & Nano Grp, Fac Sci, Maragheh, Iran
来源：
SEPARATION SCIENCE AND TECHNOLOGY | 2018年 / 53卷 / 09期
关键词：
Adsorption; fixed bed column; Th(IV); U(VI); functionalized SBA-15; ARTIFICIAL NEURAL-NETWORK; CONTINUOUS PACKED-BED; UCF LIQUID WASTE; AQUEOUS-SOLUTIONS; ACTIVATED CARBON; THORIUM(IV) IONS; CLAY COMPOSITE; REMOVAL; URANIUM; BIOSORPTION;
D O I：
10.1080/01496395.2018.1444055
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Removal-separation of Th(IV)/U(VI) by Schiff base functionalized SBA-15 materials SBA/SA and SBA/EnSA using fixed bed column method was investigated. The effects of flow rate and bed height were studied and the experimental breakthrough curves were obtained. The analysis of experimental data showed that the breakthrough time and exhaustion time, metal uptake capacity and total metal removal increased with reducing the flow rate, and with increasing the bed height. Thomas and Yan models were applied to the experimental data for evaluating the dynamic behavior and the characteristic parameters of the column for the process design.
引用
收藏
页码：1282 / 1294
页数：13
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