Zinc and iron removal from chromium(III) passivation baths by solvent extraction with Cyanex 272

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URI: http://hdl.handle.net/10902/15676
ISSN: 1944-3994
ISSN: 1944-3986
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Autoría
Alguacil Priego, Francisco José; Diban Gómez, NazelyAutoridad Unican; Urtiaga Mendia, Ana MaríaAutoridad Unican
Fecha
2018-11
Derechos
© Balaban Publishers - Desalination Publications
https://creativecommons.org/licenses/by-nc-nd/4.0/
Publicado en
Desalination and Water Treatment, 2018, 133, 252-256
6th International Conference on Environmental Management, Engineering, Planning and Economics (CEMEPE), Thessaloniki, Greece, 2017
Editorial
Balaban Publishers
Palabras clave
Passivation baths
Zinc
Iron
Chromium
Cyanex 272
Solvent extraction
Resumen/Abstract
The use of Cyanex 272 for extraction of zinc and iron from industrial wastes like chromium(III) passivation baths is investigated. The extraction of the metals is studied, in batch conditions, as a function of equilibration time, temperature, diluent of the organic solution, metals and extractant concentrations and pH values of the aqueous solutions. Also the stripping of the metals from loaded organic phases had been investigated using sulphuric acid solutions as strippant.
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