Recovery of Re(VII) from aqueous solutions with coated impregnated resins containing ionic liquid Aliquat 336

被引：22
作者：
Guo, Xueyi [1 ,2 ]
Ma, Zhongchen [1 ,2 ]
Li, Dong [1 ,2 ]
Tian, Qianghua [1 ,2 ]
Xu, Zhipeng [1 ,2 ]
机构：
[1] Cent South Univ, Sch Met & Environm, Changsha 410083, Hunan, Peoples R China
[2] Natl & Reg Joint Engn Res Ctr Nonferrous Met Reso, Changsha 410083, Hunan, Peoples R China
来源：
HYDROMETALLURGY | 2019年 / 190卷
基金：
中国国家自然科学基金;
关键词：
Re(VII); Recovery; Coated impregnated resins; Aliquat; 336; HYDROCHLORIC-ACID; RHENIUM; ADSORPTION; SEPARATION; MOLYBDENUM; EXTRACTION; KINETICS; CONTAMINANTS; EQUILIBRIUM; SORPTION;
D O I：
10.1016/j.hydromet.2019.105149
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
Technological issues existed in the recovery of rhenium from industrial waste water terms with of low rhenium content and high sulfuric acidity. To solve the problem, coated solvent-impregnated resins containing ionic liquid Aliquat 336 (A336-CSIRs) were prepared. Aliquat 336 uniformly impregnated all pores of whole resin. The adsorption kinetic data fit well with pseudo-second-order mode, indicating that the adsorption was in the form of chemisorption. From adsorption isotherm, the adsorption data fit well with Langmuir model, and the saturation adsorption capacity of A336-CSIRs on Re(VII) was up to 73.76 mg/g. The adsorption process of A336-CSIRs for Re(VII) was exothermic and spontaneous in nature. PVA film could significantly enhance the stability of A336-CSIRs. Furthermore, 99.85% rhenium was recovered from industrial waste water with A336-CSIRs.
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页数：8
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