Study on creeping film pertraction. Recovery of copper from diluted aqueous solutions |
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| Affiliation: | 1. Materials Science and Technology Division, Los Alamos National Laboratory, Los Alamos, NM, United States;2. Sigma Division, Los Alamos National Laboratory, Los Alamos, NM, United States;1. Materials Science and Technology Division, Los Alamos National Laboratory, Los Alamos, NM 87545;2. US Department of Energy, Washington, DC 20585;3. Materials Science and Chemical Engineering, Stony Brook University, Stony Brook, NY 11794;4. Materials Science and Engineering, University of Michigan, Ann Arbor, MI 48109;5. Metallurgical and Materials Engineering, Middle East Technical University, 06800, Turkey;6. Materials Science and Engineering, University of Maryland, College Park, MD 20742;7. T.J. Lienert Consulting, LLC (formerly with Sigma Division, LANL), Los Alamos, NM 87544 |
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| Abstract: | Creeping film pertraction (CFP) is a new liquid membrane technique for simultaneous removal and concentration of dissolved species from their diluted aqueous solutions. A mobile organic membrane interposed between two creeping aqueous films, a donor (feed) solution and an acceptor (strip) liquor, selectively transports the specified species. CFP is a continuous mass transfer process in which eddy diffusion controls the mass fluxes in all three liquid films. A laboratory scale pertractor—CFP-50—was used to study the effects of principal process parameters on pertraction efficiency in the case of copper transport across a membrane of parafinic oil, containing 2% (vol.) commercial oxime extractant ACORGA P-5100 as carrier. |
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