Separation of zinc and bismuth by facilitated transport through activated composite membranes

Jorge Macanás; Dmitri Muraviev; Maria Oleinikova; Maria Muñoz

doi:10.1080/07366290600760680

Separation of zinc and bismuth by facilitated transport through activated composite membranes

Jorge Macanás, Dmitri Muraviev, Maria Oleinikova, Maria Muñoz

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Abstract

This paper reports the results on the further development of activated composite membranes (ACM) containing di-2-ethyhexyl-dithiophosphoric acid (D2EHDTPA) as a carrier. The selectivity and transport properties of D2EHDTPA-based ACMs towards different metal ions including bismuth and zinc appear to be interconnected with each other. It has been shown that unlike the liquid-liquid extraction of bismuth, the use of D2EHDTPA-ACM permits to recover and to concentrate bismuth from a highly saline medium without irreversible destruction of the carrier. The difference in the rates of bismuth and zinc transport through ACMs permits their separation since the former is concentrated in the stripping solution and the latter retains in the feed compartment of the membrane cell. Copyright © Taylor & Francis Group, LLC.

Original language	English
Pages (from-to)	565-587
Journal	Solvent Extraction and Ion Exchange
Volume	24
Issue number	4
DOIs	https://doi.org/10.1080/07366290600760680
Publication status	Published - 7 Jul 2006

Keywords

Activated composite membrane
Bismuth
Di(2-ethylhexyl) dithiophosphoric acid
Metal separation
Zinc

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10.1080/07366290600760680

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title = "Separation of zinc and bismuth by facilitated transport through activated composite membranes",

abstract = "This paper reports the results on the further development of activated composite membranes (ACM) containing di-2-ethyhexyl-dithiophosphoric acid (D2EHDTPA) as a carrier. The selectivity and transport properties of D2EHDTPA-based ACMs towards different metal ions including bismuth and zinc appear to be interconnected with each other. It has been shown that unlike the liquid-liquid extraction of bismuth, the use of D2EHDTPA-ACM permits to recover and to concentrate bismuth from a highly saline medium without irreversible destruction of the carrier. The difference in the rates of bismuth and zinc transport through ACMs permits their separation since the former is concentrated in the stripping solution and the latter retains in the feed compartment of the membrane cell. Copyright {\textcopyright} Taylor & Francis Group, LLC.",

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T1 - Separation of zinc and bismuth by facilitated transport through activated composite membranes

AU - Macanás, Jorge

AU - Muraviev, Dmitri

AU - Oleinikova, Maria

AU - Muñoz, Maria

PY - 2006/7/7

Y1 - 2006/7/7

N2 - This paper reports the results on the further development of activated composite membranes (ACM) containing di-2-ethyhexyl-dithiophosphoric acid (D2EHDTPA) as a carrier. The selectivity and transport properties of D2EHDTPA-based ACMs towards different metal ions including bismuth and zinc appear to be interconnected with each other. It has been shown that unlike the liquid-liquid extraction of bismuth, the use of D2EHDTPA-ACM permits to recover and to concentrate bismuth from a highly saline medium without irreversible destruction of the carrier. The difference in the rates of bismuth and zinc transport through ACMs permits their separation since the former is concentrated in the stripping solution and the latter retains in the feed compartment of the membrane cell. Copyright © Taylor & Francis Group, LLC.

AB - This paper reports the results on the further development of activated composite membranes (ACM) containing di-2-ethyhexyl-dithiophosphoric acid (D2EHDTPA) as a carrier. The selectivity and transport properties of D2EHDTPA-based ACMs towards different metal ions including bismuth and zinc appear to be interconnected with each other. It has been shown that unlike the liquid-liquid extraction of bismuth, the use of D2EHDTPA-ACM permits to recover and to concentrate bismuth from a highly saline medium without irreversible destruction of the carrier. The difference in the rates of bismuth and zinc transport through ACMs permits their separation since the former is concentrated in the stripping solution and the latter retains in the feed compartment of the membrane cell. Copyright © Taylor & Francis Group, LLC.

KW - Activated composite membrane

KW - Bismuth

KW - Di(2-ethylhexyl) dithiophosphoric acid

KW - Metal separation

KW - Zinc

U2 - 10.1080/07366290600760680

DO - 10.1080/07366290600760680

M3 - Article

SN - 0736-6299

VL - 24

SP - 565

EP - 587

JO - Solvent Extraction and Ion Exchange

JF - Solvent Extraction and Ion Exchange

IS - 4

ER -

Separation of zinc and bismuth by facilitated transport through activated composite membranes

Abstract

Keywords

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