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Adsorption Behaviors of Rubidium and Cesium Ions from Aqueous Solution onto Sodium Tetraphenylborate - Polyacrylonitrile (TPB-PAN)
Bao, Amin1,2,3; Zheng, Hong1,2; Liu, Zeyu1,2,3; Huang, Dongfang1,2,3
2017-12-11
发表期刊CHEMISTRYSELECT
卷号2期号:35页码:11806-11814
文章类型Article
摘要In this study, a novel composite adsorbent of sodium tetraphenylborate - polyacrylonitrile (TPB-PAN) was prepared for investigating adsorption behaviors of rubidium (Rb) and cesium (Cs) ions from their aqueous solutions. Several experimental parameters such as pH, shaking time, initial concentration, and interference ions were routinely evaluated. The experimental results showed that the Rb(I) and Cs(I) were both adsorbed by the adsorbent of TPB-PAN at pH 7.0, and the adsorption equilibriums were achieved within 2 h. The presence of co-existing ions did not get involved with Rb(I) and Cs(I) adsorption, indicating the high selectivity of TPB-PAN adsorbent toward Rb(I) and Cs(I) ions. Under optimum conditions, the maximum adsorption capacities for Rb(I) and Cs(I) ions by the adsorbent of TPB-PAN were 44.64 mg g(-1) and 118.48 mg g(-1) based on the langmuir sorption isotherm study. In addition, the adsorption processes of rubidium and cesium both are exothermic spontaneous process. Therefore, the proposed adsorbent of TPB-PAN allowed the selective, sensitive, easy to use, cost-effective, high efficiency, fast kinetics of preconcentration and separation (removal) Rb(I) and Cs(I) ions even in the presence of competing ions. As a consequence, the TPB-PAN adsorbent can be used potentially for preconcentration and separation Rb(I) and Cs(I) ions from water samples in a wide range of practical applications for removal Rb(I) and Cs(I) ions in environmental aqueous resources.
关键词Adsorption Aqueous Solution Cesium Polyacrylonitrile Rubidium Sodium Tetraphenylborate
WOS标题词Science & Technology ; Physical Sciences
关键词[WOS]SALT LAKE BRINE ; AMMONIUM MOLYBDOPHOSPHATE ; COMPOSITE ADSORBENT ; SOLVENT-EXTRACTION ; SILICA MATRIX ; HEAVY-METALS ; WASTE-WATER ; CROWN-ETHER ; POTASSIUM ; EXCHANGE
收录类别SCI
语种英语
WOS研究方向Chemistry
WOS类目Chemistry, Multidisciplinary
WOS记录号WOS:000418400400066
引用统计
文献类型期刊论文
条目标识符http://ir.isl.ac.cn/handle/363002/6412
专题青海盐湖研究所知识仓储
盐湖资源综合利用工程技术中心
作者单位1.Chinese Acad Sci, Key Lab Comprehens & Highly Efficient Utilizat Sa, Qinghai Inst Salt Lakes, 18 Xinning Rd, Xining 810008, Qinghai, Peoples R China
2.Chinese Acad Sci, Qinghai Inst Salt Lakes, Qinghai Engn & Technol Res Ctr Comprehens Utiliza, 18 Xinning Rd, Xining 810008, Qinghai, Peoples R China
3.Univ Chinese Acad Sci, Sch Chem & Chem Engn, 19 Yuquan Rd, Beijing 100049, Peoples R China
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GB/T 7714
Bao, Amin,Zheng, Hong,Liu, Zeyu,et al. Adsorption Behaviors of Rubidium and Cesium Ions from Aqueous Solution onto Sodium Tetraphenylborate - Polyacrylonitrile (TPB-PAN)[J]. CHEMISTRYSELECT,2017,2(35):11806-11814.
APA Bao, Amin,Zheng, Hong,Liu, Zeyu,&Huang, Dongfang.(2017).Adsorption Behaviors of Rubidium and Cesium Ions from Aqueous Solution onto Sodium Tetraphenylborate - Polyacrylonitrile (TPB-PAN).CHEMISTRYSELECT,2(35),11806-11814.
MLA Bao, Amin,et al."Adsorption Behaviors of Rubidium and Cesium Ions from Aqueous Solution onto Sodium Tetraphenylborate - Polyacrylonitrile (TPB-PAN)".CHEMISTRYSELECT 2.35(2017):11806-11814.
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