A novel composite adsorbent for the separation and recovery of indium from aqueous solutions

doi:10.1016/j.hydromet.2019.04.003

CORC > 金属研究所 > 中国科学院金属研究所

	A novel composite adsorbent for the separation and recovery of indium from aqueous solutions
	Li, Min 1; Meng, Xiaojing 1; Huang, Kun 2; Feng, Jian 1; Jiang, Songshan 1
刊名	HYDROMETALLURGY
	2019-06-01
卷号	186 页码:73-82
关键词	Graphene oxide Silica gel Adsorption In(III) Chemical grafting
ISSN号	0304-386X
DOI	10.1016/j.hydromet.2019.04.003
通讯作者	Li, Min(limin1406@163.com) ; Feng, Jian(jianfeng@cqust.edu.cn)
英文摘要	In this study, a novel approach for preparing SiO2@GO-PO3H2 composite using a simple method has been reported, which can be used as an efficient adsorbent for separating In(III) ions from aqueous solutions. The adsorbent was characterized on the basis of Fourier transform infrared spectroscopy (FT-IR), scanning electron microscopy (SEM), X-ray photoelectron spectroscopy (XPS) and Brunauer-Emmett-Teller (BET) technique. The adsorption behavior of In(III) ions on the adsorbent was investigated based upon batch experiments. The adsorption equilibrium was achieved within 50 min and the adsorption kinetics of In(III) ions followed the pseudo second-order model. The adsorption equilibrium study exhibited good agreement with the Langmuir isotherm model and the maximum adsorption capacity was as high as 149.93 mg.g(-1). Furthermore, competitive adsorption demonstrated that the adsorbent maintained good affinity for In(III) ions even in mixed solutions containing K(I), Ca(II), Na(I), Mg(II), Al(III), Zn(II), Fe(II), Pb(II) and Cu(II). The mechanism of the adsorption of In(III) ions SiO2@GO-PO3H2 surface was mainly attributed to the fact that P element in the adsorbent coordinated with In(III) ions to generate In-P bond, which confirmed that the adsorption of In(III) ions on SiO2@GO-PO3H2 belonged to a chemical adsorption process. The SiO2@GO-PO3H2 can be repeatedly used and regenerated ten times without obvious decrease in adsorption capacity, demonstrating that the adsorbent is of high stability and reusability. The results indicated that SiO2@GO-PO3H2 could serve as a promising adsorbent for efficient recovery and elimination of In(III) ions from aquatic environment.
资助项目	National Natural Science Foundation of China[51708075] ; Scientific and Technological Research Program of Chongqing Municipal Education Commission[KJ1713335] ; Scientific and Technological Research Program of Chongqing Municipal Education Commission[KJQN201801527]
WOS研究方向	Metallurgy & Metallurgical Engineering
语种	英语
出版者	ELSEVIER SCIENCE BV
WOS记录号	WOS:000473837400009
资助机构	National Natural Science Foundation of China ; Scientific and Technological Research Program of Chongqing Municipal Education Commission
内容类型	期刊论文
源URL	[http://ir.imr.ac.cn/handle/321006/134433]
专题	金属研究所_中国科学院金属研究所
通讯作者	Li, Min; Feng, Jian
作者单位	1.Chongqing Univ Sci & Technol, Dept Chem Engn, Chongqing 401331, Peoples R China 2.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Peoples R China
推荐引用方式 GB/T 7714	Li, Min,Meng, Xiaojing,Huang, Kun,et al. A novel composite adsorbent for the separation and recovery of indium from aqueous solutions[J]. HYDROMETALLURGY,2019,186:73-82.
APA	Li, Min,Meng, Xiaojing,Huang, Kun,Feng, Jian,&Jiang, Songshan.(2019).A novel composite adsorbent for the separation and recovery of indium from aqueous solutions.HYDROMETALLURGY,186,73-82.
MLA	Li, Min,et al."A novel composite adsorbent for the separation and recovery of indium from aqueous solutions".HYDROMETALLURGY 186(2019):73-82.