Reaction dependent extraction of copper and nickel using hollow fibers

Chuanfang Yang; E. L. Cussler

doi:10.1016/S0376-7388(99)00265-3

Reaction dependent extraction of copper and nickel using hollow fibers

Chuanfang Yang, E. L. Cussler

Chemical Engineering and Materials Science

Research output: Contribution to journal › Article › peer-review

62 Scopus citations

Abstract

The competitive extraction of copper and nickel with kerosene solutions of HDEHP [di-(2-ethylhexyl) phosphoric acid] has been studied in a hollow fiber membrane module. The data showed that the reaction changes from first order to second order as the extraction proceeds. The first-order behavior largely results from mass transfer resistances in the membrane and in the aqueous boundary layer. The second-order reaction, occurring in dilute solution, is a consequence of an interfacial reaction. The results have implications for other metals. Copyright (C) 2000 Elsevier Science B.V.

Original language	English (US)
Pages (from-to)	229-238
Number of pages	10
Journal	Journal of Membrane Science
Volume	166
Issue number	2
DOIs	https://doi.org/10.1016/S0376-7388(99)00265-3
State	Published - Mar 1 2000

Keywords

Facilitated transport
Hollow fibers
Microporous membranes
Solvent extraction

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abstract = "The competitive extraction of copper and nickel with kerosene solutions of HDEHP [di-(2-ethylhexyl) phosphoric acid] has been studied in a hollow fiber membrane module. The data showed that the reaction changes from first order to second order as the extraction proceeds. The first-order behavior largely results from mass transfer resistances in the membrane and in the aqueous boundary layer. The second-order reaction, occurring in dilute solution, is a consequence of an interfacial reaction. The results have implications for other metals. Copyright (C) 2000 Elsevier Science B.V.",

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T1 - Reaction dependent extraction of copper and nickel using hollow fibers

AU - Yang, Chuanfang

AU - Cussler, E. L.

PY - 2000/3/1

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N2 - The competitive extraction of copper and nickel with kerosene solutions of HDEHP [di-(2-ethylhexyl) phosphoric acid] has been studied in a hollow fiber membrane module. The data showed that the reaction changes from first order to second order as the extraction proceeds. The first-order behavior largely results from mass transfer resistances in the membrane and in the aqueous boundary layer. The second-order reaction, occurring in dilute solution, is a consequence of an interfacial reaction. The results have implications for other metals. Copyright (C) 2000 Elsevier Science B.V.

AB - The competitive extraction of copper and nickel with kerosene solutions of HDEHP [di-(2-ethylhexyl) phosphoric acid] has been studied in a hollow fiber membrane module. The data showed that the reaction changes from first order to second order as the extraction proceeds. The first-order behavior largely results from mass transfer resistances in the membrane and in the aqueous boundary layer. The second-order reaction, occurring in dilute solution, is a consequence of an interfacial reaction. The results have implications for other metals. Copyright (C) 2000 Elsevier Science B.V.

KW - Facilitated transport

KW - Hollow fibers

KW - Microporous membranes

KW - Solvent extraction

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