Tunable superporous magnetic adsorbent prepared via eco-friendly Pickering MIPEs for high-efficiency adsorption of Rb+ and Sr2+ | |
Department | 环境材料与生态化学研究发展中心 |
Lu TT(逯桃桃)1,2; Zhu YF(朱永峰)1; Qi YX(齐彦兴)1; Wang AQ(王爱勤)1 | |
The second department | 甘肃省黏土矿物应用重点实验室 |
2019-04 | |
Source Publication | Chemical Engineering Journal |
Volume | 368Issue:0Pages:988-998 |
Abstract | Until recently, high organic phase volume and the addition of a large amount of surfactants have been two major disadvantages of conventional high internal phase emulsions (HIPEs) templates in the construction of porous adsorbents. Herein, a facile and novel tunable superporous magnetic adsorbent (MSPA) was synthesized by the polymerization of the green surfactant-free (soybean oil)-in-water Pickering medium internal phase emulsion (O/W Pickering MIPEs), which was stabilized synergically by the magnetic yeast (MY) and chitosan (CTS). It is interesting that the extremely stable surfactant-free Pickering-MIPEs can be obtained through the fine synergistic effect between MY and CTS at the oil-water interface, and the pore structure of the magnetic adsorbent can be easily adjusted by changing the ratio of MY to CTS, as well as the external pH. The obtained MSPA with abundant -COO− and -NH2 functional groups had a fast capture rate and high adsorption capacities for radioactive Rb+ and Sr2+ ions, respectively. The saturation adsorption capacities of 168.98 and 151.91 mg/g for Rb+ and Sr2+ can be achieved within 25 or 10 min, respectively. Moreover, the MSPA had excellent regeneration ability and reusability. This work provided a feasible and environmentally friendly pathway for preparation of the superporous magnetic adsorbent with tunable porous structure for adsorption and separation application. |
Keyword | Pickering emulsion Superporous magnetic adsorbent Rb+ Sr2+ Adsorption |
MOST Discipline Catalogue | 理学::化学 |
DOI | doi.org/10.1016/j.cej.2019.03.040 |
Indexed By | SCI |
If | 8.355 |
Language | 英语 |
Funding Project | 中低内相乳液模板法多孔吸附剂的可控合成及其对铷、铯吸/脱附性能研究 |
compositor | 第一作者单位 |
Citation statistics | |
Document Type | 期刊论文 |
Identifier | http://ir.licp.cn/handle/362003/25477 |
Collection | 甘肃省黏土矿物应用研究重点实验室 环境材料与生态化学研究发展中心 |
Corresponding Author | Qi YX(齐彦兴); Wang AQ(王爱勤) |
Affiliation | 1.中国科学院兰州化学物理研究所 2.中国科学院大学 |
Corresponding Author Affilication | Lanzhou Institute of Chemical Physics,Chinese Academy of Sciences |
Recommended Citation GB/T 7714 | Lu TT,Zhu YF,Qi YX,et al. Tunable superporous magnetic adsorbent prepared via eco-friendly Pickering MIPEs for high-efficiency adsorption of Rb+ and Sr2+[J]. Chemical Engineering Journal,2019,368(0):988-998. |
APA | Lu TT,Zhu YF,Qi YX,&Wang AQ.(2019).Tunable superporous magnetic adsorbent prepared via eco-friendly Pickering MIPEs for high-efficiency adsorption of Rb+ and Sr2+.Chemical Engineering Journal,368(0),988-998. |
MLA | Lu TT,et al."Tunable superporous magnetic adsorbent prepared via eco-friendly Pickering MIPEs for high-efficiency adsorption of Rb+ and Sr2+".Chemical Engineering Journal 368.0(2019):988-998. |
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