Co-extraction and selective stripping of copper (II) and molybdenum (VI) using LIX 622 |
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| Affiliation: | 1. Departament d’Enginyeria Quı́mica, Universitat Politécnica de Catalunya, E.T.S.E.I.B., Diagonal 647, E-08028 Barcelona, Spain;2. Centro Nacional de Investigaciones Metalúrgicas (CSIC), Avda. Gregorio del Amo 8, Ciudad Universitaria, 28040 Madrid, Spain;1. Faculty of Science and Engineering, Western Australian School of Mines: Minerals, Energy and Chemical Engineering, Curtin University, GPO Box U1987, Perth, WA 6845, Australia;2. Mining and Metallurgical Engineering, Faculty of Engineering, Assiut University, Egypt;1. Department of Chemical Engineering, Faculty of Chemical and Energy Engineering, Universiti Teknologi Malaysia, 81310, UTM, Johor Bahru, Johor, Malaysia;2. Centre of Lipids Engineering and Applied Research (CLEAR), Ibnu Sina Institute for Scientific and Industrial Research, Universiti Teknologi Malaysia, 81310, UTM, Johor Bahru, Johor, Malaysia;1. Institute for Advanced Materials and Technology, University of Science and Technology Beijing, 100083, Beijing, China;2. Department of Mechanical Engineering, University of South Florida, Tampa, 33620, USA |
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| Abstract: | LIX 622 diluted with kerosene was used to co-extract copper (II) and molybdenum (VI) from acidic sulphate solutions. The influence of equilibrium pH and extractant concentration on metal co-extraction has been studied. The extraction of both metals is sensitive to equilibrium pH; however, molybdenum is extracted preferably to copper at acidic pH values. For aqueous phases containing both metals, conditions were established for the co-extraction, selective stripping of copper and molybdenum and NH3 removal from the stripped organic solution. |
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