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Recycling of spent nitric acid solution from electrodialysis by diffusion dialysis
Lan, Shengjie1,2; Wen, Xianming1; Zhu, Zenghu1; Shao, Fei1,2; Zhu, Chaoliang1,2
2011-09-01
发表期刊DESALINATION
卷号278期号:1-3页码:227-230
文章类型Article
摘要Laboratory study of recovering HNO(3) solution from acidic effluents discharged by an electrodialysis plant for extracting lithium from concentrated brine at East Taijinar Salt Lake, China, was conducted using diffusion dialysis (DD) with homogenous anion exchange membrane (DF120). The effects of concentrations of nitric acid and metal ions (including Li, Na, K, Mg, Ca) and water to spent acid flow rate (W/A) ratio on the performance of diffusion dialysis were investigated. Results indicated that acid recovery increased with the concentration of the feed. The membrane showed moderate monovalent permselectivity: divalent cations were more effectively retained as opposed to monovalent cations. The selectivity between metal and hydrogen ions were impaired by increasing W/A ratio. The acid recovery reached its maximum at 3.0 mol/L H(+), demonstrating that the efficiency at feeding concentrations above 3.0 mol/L would be low for the DF120 membrane. The increase of salt content in the spent acid to 3.0 mol/L and above conceivably impaired the selectivity of the membrane.
关键词Diffusion Dialysis Nitric Acid Recovery Homogenous Anion Exchange Membrane Salt Lake Brine
WOS标题词Science & Technology ; Technology ; Physical Sciences
关键词[WOS]MEMBRANE NEOSEPTA-AFN ; ANION-EXCHANGE MEMBRANES ; SULFURIC-ACID ; RECOVERY ; SEPARATION ; TRANSPORT ; MIXTURE ; SERIES ; H2SO4
收录类别SCI
语种英语
WOS研究方向Engineering ; Water Resources
WOS类目Engineering, Chemical ; Water Resources
WOS记录号WOS:000295061100031
引用统计
文献类型期刊论文
条目标识符http://ir.isl.ac.cn/handle/363002/5970
专题青海盐湖研究所知识仓储
作者单位1.Chinese Acad Sci, Inst Salt Lakes, Xining 810008, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100086, Peoples R China
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GB/T 7714
Lan, Shengjie,Wen, Xianming,Zhu, Zenghu,et al. Recycling of spent nitric acid solution from electrodialysis by diffusion dialysis[J]. DESALINATION,2011,278(1-3):227-230.
APA Lan, Shengjie,Wen, Xianming,Zhu, Zenghu,Shao, Fei,&Zhu, Chaoliang.(2011).Recycling of spent nitric acid solution from electrodialysis by diffusion dialysis.DESALINATION,278(1-3),227-230.
MLA Lan, Shengjie,et al."Recycling of spent nitric acid solution from electrodialysis by diffusion dialysis".DESALINATION 278.1-3(2011):227-230.
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