Study on a Novel Disphase Supplying Supported Liquid Membrane for Transport Behavior of Divalent Nickel Ions

Chinese Journal of Chemical Engineering ›› 2012, Vol. 20 ›› Issue (4): 633-640.

Study on a Novel Disphase Supplying Supported Liquid Membrane for Transport Behavior of Divalent Nickel Ions

裴亮^1,2, 王理明^2,3, 郭维³, 赵楠²

1. Key Laboratory of Water Cycle and Related Land Surface Processes, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China;
2. Faculty of Water Resources and Hydraulic Power, Xi'an University of Technology, Xi'an 710048, China;
3. School of Chemical and Environmental Engineering, Xi'an Polytechnic University, Xi'an 710048, China

收稿日期:2011-02-16 修回日期:2011-08-20 出版日期:2012-08-28 发布日期:2012-09-15
通讯作者: PEI Liang, E-mail:pellys_0311@163.com
基金资助:
Supported by the Action Plan for the Development of Western China of the Chinese Academy of Sciences(KZCX2-XB2-13);the Knowledge Innovation Program of the Chinese Academy of Sciences(KSCX2-YW-N-003);Research Fund for Excellent Doctoral Thesis of Xi'an University of Tehcnology(602-210805 and 602-210804)

Study on a Novel Disphase Supplying Supported Liquid Membrane for Transport Behavior of Divalent Nickel Ions

PEI Liang^1,2, WANG Liming^2,3, GUO Wei³, ZHAO Nan²

1. Key Laboratory of Water Cycle and Related Land Surface Processes, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China;
2. Faculty of Water Resources and Hydraulic Power, Xi'an University of Technology, Xi'an 710048, China;
3. School of Chemical and Environmental Engineering, Xi'an Polytechnic University, Xi'an 710048, China

Received:2011-02-16 Revised:2011-08-20 Online:2012-08-28 Published:2012-09-15
Supported by:
Supported by the Action Plan for the Development of Western China of the Chinese Academy of Sciences(KZCX2-XB2-13);the Knowledge Innovation Program of the Chinese Academy of Sciences(KSCX2-YW-N-003);Research Fund for Excellent Doctoral Thesis of Xi'an University of Tehcnology(602-210805 and 602-210804)

摘要/Abstract

摘要： A novel disphase supplying supported liquid membrane(DSSLM),containing supplying feed phase and supplying stripping phase for transport behavior of Ni(Ⅱ),have been studied.The supplying supported feed phase included feed solution and di(2-ethyhexyl) phosphoric acid(HDEHP) as the carrier in kerosene,and supplying stripping phase included HDEHP as the carrier in kerosene and HCl as the stripping agent.The effects of volume ratio of membrane solution to feed solution(O/F),pH,initial concentration of Ni(Ⅱ) and ionic strength in the feed solution,volume ratio of membrane solution to stripping solution(O/S),concentration of H₂SO₄ solution,HDEHP concentration in the supplying stripping phase on transport of Ni(Ⅱ),the advantages of DSSLM compared to the traditional supported liquid membrane(SLM),the system stability,the reuse of membrane solution and the reten-tion of membrane phase were studied.Experimental results indicated that the optimum transport of Ni(Ⅱ) was ob-tained when H₂SO₄ concentration was 2.00 mol·L^-1,HDEHP concentration was 0.120 mol·L^-1,and O/S was 4:1 in the supplying stripping phase,O/F was 1:10 and pH was 5.20 in the supplying feed phase.The ionic strength in supplying feed phase had no obvious effect on transport of Ni(Ⅱ).When initial Ni(Ⅱ) concentration was 2.00×10^-4 mol/L,the transport percentage of Ni(Ⅱ) was up to 93.1% in 250 min.The kinetic equation was deduced in terms of the law of mass diffusion and the interface chemistry.

关键词: disphase supplying supported liquid membrane, organic phosphonic acid, supplying feed phase, sup-plying stripping phase, nickel ion

Abstract: A novel disphase supplying supported liquid membrane(DSSLM),containing supplying feed phase and supplying stripping phase for transport behavior of Ni(Ⅱ),have been studied.The supplying supported feed phase included feed solution and di(2-ethyhexyl) phosphoric acid(HDEHP) as the carrier in kerosene,and supplying stripping phase included HDEHP as the carrier in kerosene and HCl as the stripping agent.The effects of volume ratio of membrane solution to feed solution(O/F),pH,initial concentration of Ni(Ⅱ) and ionic strength in the feed solution,volume ratio of membrane solution to stripping solution(O/S),concentration of H₂SO₄ solution,HDEHP concentration in the supplying stripping phase on transport of Ni(Ⅱ),the advantages of DSSLM compared to the traditional supported liquid membrane(SLM),the system stability,the reuse of membrane solution and the reten-tion of membrane phase were studied.Experimental results indicated that the optimum transport of Ni(Ⅱ) was ob-tained when H₂SO₄ concentration was 2.00 mol·L^-1,HDEHP concentration was 0.120 mol·L^-1,and O/S was 4:1 in the supplying stripping phase,O/F was 1:10 and pH was 5.20 in the supplying feed phase.The ionic strength in supplying feed phase had no obvious effect on transport of Ni(Ⅱ).When initial Ni(Ⅱ) concentration was 2.00×10^-4 mol/L,the transport percentage of Ni(Ⅱ) was up to 93.1% in 250 min.The kinetic equation was deduced in terms of the law of mass diffusion and the interface chemistry.

Key words: disphase supplying supported liquid membrane, organic phosphonic acid, supplying feed phase, sup-plying stripping phase, nickel ion

裴亮, 王理明, 郭维, 赵楠. Study on a Novel Disphase Supplying Supported Liquid Membrane for Transport Behavior of Divalent Nickel Ions[J]. Chinese Journal of Chemical Engineering, 2012, 20(4): 633-640.

PEI Liang, WANG Liming, GUO Wei, ZHAO Nan. Study on a Novel Disphase Supplying Supported Liquid Membrane for Transport Behavior of Divalent Nickel Ions[J]. Chin.J.Chem.Eng., 2012, 20(4): 633-640.

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Study on a Novel Disphase Supplying Supported Liquid Membrane for Transport Behavior of Divalent Nickel Ions

Study on a Novel Disphase Supplying Supported Liquid Membrane for Transport Behavior of Divalent Nickel Ions

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