Facilitated transport and separation of manganese and cobalt by a supported liquid membrane using DP-8R as a mobile carrier

descriptionPublicationkeyboard_double_arrow_right Article 01 Jul 2002 English Publisher:Elsevier BVJournal:Hydrometallurgy, volume 65, pages 9-14 (issn: 0304-386X,

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Authors: Alguacil, Francisco José;

doi: 10.1016/s0304-386x(02)00059-2

handle: 10261/43814

Facilitated transport and separation of manganese and cobalt by a supported liquid membrane using DP-8R as a mobile carrier

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Abstract

The transport of manganese and cobalt ions from sulphate solutions through a supported liquid membrane containing DP-8R (acidic extractant) dissolved in Exxsol D100 as a mobile carrier was investigated at 20 °C. The transport system was studied as a function of several variables: stirring speed of the source and receiving phases, concentration of the strippant in the receiving phase, pH of the source phase, diluent of the membrane phase and extractant and metal concentrations in the membrane and source phases, respectively. Higher selectivity in the separation of manganese and cobalt was obtained when the source phase presented higher [Co]/[Mn] concentration ratios.

The authors would like to acknowledge the CSIC for support. Also, thanks are given to Mr. Bascones and Mr. Lo´pez for technical assistance.

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Keywords

Flat-sheet supported liquid membrane, Cobalt (II), DP-8R, Facilitated transport and separation, Manganese (II)

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