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  • 1
    Electronic Resource
    Electronic Resource
    Transport and separation of cobalt, nickel and copper ions with alamine liquid membranes (1995)
    Chichester : Wiley-Blackwell
    Journal of Chemical Technology AND Biotechnology 64 (1995), S. 293-297 
    Details
    ISSN: 0268-2575
    Keywords: liquid membranes ; cobalt-copper-nickel separation ; facilitated transport ; Alamine 336 ; Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Process Engineering, Biotechnology, Nutrition Technology
    Notes: The transfer and separation of Co(II), Ni(II) and Cu(II) ions across a flat-sheet supported liquid membrane containing Alamine 336 as the mobile carrier dissolved in kerosene solvent has been investigated. Both the Alamine composition in the organic solution and the hydrochloric acid concentration in the feed solution have a marked effect on Co(II) and Cu(II) transport. A maximum flow of these ions at 50% of Alamine in the diluent was obtained. Ni(II) ion was not transported in the whole range of experimental conditions studied and good separation from Co(II) and Cu(II) could thus be performed. With decreasing hydrochloric acid concentration in the feed solution the separation factor of Cu(II) from Co(II) increases thus decreasing the Cu(II) recuperation factor.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jctb.280640312
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Coupled transport of copper through different commercial supports containing LIX 984 as carrier (1998)
    Chichester : Wiley-Blackwell
    Journal of Chemical Technology AND Biotechnology 72 (1998), S. 55-59 
    Details
    ISSN: 0268-2575
    Keywords: liquid membrane ; coupled transport ; copper ; supports ; Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Process Engineering, Biotechnology, Nutrition Technology
    Notes: The coupled transport of copper(II) ions through a supported liquid membrane containing LIX 984 as the mobile carrier dissolved in kerosene has been studied. Many commercial membrane supports were investigated at different stirrer speeds in a permeation cell. An equation describing the permeation rate has been derived, taking into account stagnant layer aqueous diffusion and liquid membrane diffusion. By means of this treatment the copper overall transfer resistance and the experimental determination of the effective porosity factor (ε/τ), for each support have been performed. The Accurel® 2E-PP membrane showed a relatively high value of ε/τ (0·91), which makes this membrane an adequate support when the transport properties of the supported liquid membrane are concerned. © 1998 SCI
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
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