The Experts below are selected from a list of 1635 Experts worldwide ranked by ideXlab platform
Mansour Edraki - One of the best experts on this subject based on the ideXlab platform.
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Effect of surface oxidation on the Flotation response of enargite in a complex ore system
Minerals Engineering, 2018Co-Authors: Maedeh Tayebi-khorami, Mansour Edraki, Emmanuel Manlapig, Elizaveta Forbes, Dee BradshawAbstract:Abstract In previous study, the selective separation of enargite from complex ore samples in a batch Flotation system under controlled pulp potential was investigated (Tayebi-Khorami et al., 2017b). It has been found that it is possible to make a separation between enargite and the other copper minerals in a real ore system using pulp potential control. In this study, the effect of the surface chemistry on the floatability of enargite and pyrite in complex ore systems were investigated. Based on Flotation behaviour, EDTA (Ethylenediaminetetraacetic acid) extraction, pulp potential measurement and pure mineral study, it was found that the galvanic interactions between Sulphide minerals, and pulp potential conditions, determined the Flotation performances of the ore samples. It was also concluded that enargite had the lowest rest potential compared to the other Sulphide minerals, which caused strong galvanic interaction between enargite and pyrite. This study has an important implication in Sulphide Flotation where enargite is present in the ore samples.
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Designing mine tailings for better environmental, social and economic outcomes: A review of alternative approaches
Journal of Cleaner Production, 2014Co-Authors: Mansour Edraki, Emmanuel Manlapig, Thomas Baumgartl, Daniel M Franks, Dee Bradshaw, Chris J. MoranAbstract:With the unprecedented rate of mining and mineral processing over the past decade, there has been an increasing level of concern worldwide about the fate of tailings and the irreversible consequences of contaminant release through dust, tailings dam seepage, dam wall failure, or direct disposal of tailings into waterways. It is likely that in the future the mining of higher tonnages of lower grade ore and the possibility of more extreme weather events associated with global climatic change, may increase the risks associated with mine tailings management. In this paper we review alternative tailings management methods that aim to improve environmental, social and economic outcomes. Three approaches in particular are highlighted: paste and thickened tailings; tailings reuse, recycling and reprocessing; and proactive management (e.g. The integration of Sulphide Flotation with cemented paste backfill). The aim of the present study is to scope the opportunities that could be gained by developing an integrated research framework that traces tailings properties back to the orebody. In the future models could be constructed to optimise environmental, social and economic outcomes of tailings management across the value chain through integrated orebody characterisation, mine planning, processing, disposal, reprocessing, recycling and reuse.
Dee Bradshaw - One of the best experts on this subject based on the ideXlab platform.
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Effect of surface oxidation on the Flotation response of enargite in a complex ore system
Minerals Engineering, 2018Co-Authors: Maedeh Tayebi-khorami, Mansour Edraki, Emmanuel Manlapig, Elizaveta Forbes, Dee BradshawAbstract:Abstract In previous study, the selective separation of enargite from complex ore samples in a batch Flotation system under controlled pulp potential was investigated (Tayebi-Khorami et al., 2017b). It has been found that it is possible to make a separation between enargite and the other copper minerals in a real ore system using pulp potential control. In this study, the effect of the surface chemistry on the floatability of enargite and pyrite in complex ore systems were investigated. Based on Flotation behaviour, EDTA (Ethylenediaminetetraacetic acid) extraction, pulp potential measurement and pure mineral study, it was found that the galvanic interactions between Sulphide minerals, and pulp potential conditions, determined the Flotation performances of the ore samples. It was also concluded that enargite had the lowest rest potential compared to the other Sulphide minerals, which caused strong galvanic interaction between enargite and pyrite. This study has an important implication in Sulphide Flotation where enargite is present in the ore samples.
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Designing mine tailings for better environmental, social and economic outcomes: A review of alternative approaches
Journal of Cleaner Production, 2014Co-Authors: Mansour Edraki, Emmanuel Manlapig, Thomas Baumgartl, Daniel M Franks, Dee Bradshaw, Chris J. MoranAbstract:With the unprecedented rate of mining and mineral processing over the past decade, there has been an increasing level of concern worldwide about the fate of tailings and the irreversible consequences of contaminant release through dust, tailings dam seepage, dam wall failure, or direct disposal of tailings into waterways. It is likely that in the future the mining of higher tonnages of lower grade ore and the possibility of more extreme weather events associated with global climatic change, may increase the risks associated with mine tailings management. In this paper we review alternative tailings management methods that aim to improve environmental, social and economic outcomes. Three approaches in particular are highlighted: paste and thickened tailings; tailings reuse, recycling and reprocessing; and proactive management (e.g. The integration of Sulphide Flotation with cemented paste backfill). The aim of the present study is to scope the opportunities that could be gained by developing an integrated research framework that traces tailings properties back to the orebody. In the future models could be constructed to optimise environmental, social and economic outcomes of tailings management across the value chain through integrated orebody characterisation, mine planning, processing, disposal, reprocessing, recycling and reuse.
James Vaughan - One of the best experts on this subject based on the ideXlab platform.
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selective impurity removal and cu upgrading of copper Flotation concentrate by a spontaneously oxidative h2so4 leaching process
Hydrometallurgy, 2020Co-Authors: Rahul Ram, Barbara Etschmann, Joel Brugger, James VaughanAbstract:Abstract The gradual decrease of global copper resources is among the most urgent challenges for the mining industry. Sustainable utilization of copper Sulphide Flotation concentrate from iron oxide copper gold (IOCG) deposits is often constrained by the impurity elements (e.g. U, Th and F) and high levels of gangue minerals (e.g. iron oxide/hematite, U-bearing minerals and fluorite). Herein, a spontaneous oxidative H2SO4 leach process (
Emmanuel Manlapig - One of the best experts on this subject based on the ideXlab platform.
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Effect of surface oxidation on the Flotation response of enargite in a complex ore system
Minerals Engineering, 2018Co-Authors: Maedeh Tayebi-khorami, Mansour Edraki, Emmanuel Manlapig, Elizaveta Forbes, Dee BradshawAbstract:Abstract In previous study, the selective separation of enargite from complex ore samples in a batch Flotation system under controlled pulp potential was investigated (Tayebi-Khorami et al., 2017b). It has been found that it is possible to make a separation between enargite and the other copper minerals in a real ore system using pulp potential control. In this study, the effect of the surface chemistry on the floatability of enargite and pyrite in complex ore systems were investigated. Based on Flotation behaviour, EDTA (Ethylenediaminetetraacetic acid) extraction, pulp potential measurement and pure mineral study, it was found that the galvanic interactions between Sulphide minerals, and pulp potential conditions, determined the Flotation performances of the ore samples. It was also concluded that enargite had the lowest rest potential compared to the other Sulphide minerals, which caused strong galvanic interaction between enargite and pyrite. This study has an important implication in Sulphide Flotation where enargite is present in the ore samples.
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Designing mine tailings for better environmental, social and economic outcomes: A review of alternative approaches
Journal of Cleaner Production, 2014Co-Authors: Mansour Edraki, Emmanuel Manlapig, Thomas Baumgartl, Daniel M Franks, Dee Bradshaw, Chris J. MoranAbstract:With the unprecedented rate of mining and mineral processing over the past decade, there has been an increasing level of concern worldwide about the fate of tailings and the irreversible consequences of contaminant release through dust, tailings dam seepage, dam wall failure, or direct disposal of tailings into waterways. It is likely that in the future the mining of higher tonnages of lower grade ore and the possibility of more extreme weather events associated with global climatic change, may increase the risks associated with mine tailings management. In this paper we review alternative tailings management methods that aim to improve environmental, social and economic outcomes. Three approaches in particular are highlighted: paste and thickened tailings; tailings reuse, recycling and reprocessing; and proactive management (e.g. The integration of Sulphide Flotation with cemented paste backfill). The aim of the present study is to scope the opportunities that could be gained by developing an integrated research framework that traces tailings properties back to the orebody. In the future models could be constructed to optimise environmental, social and economic outcomes of tailings management across the value chain through integrated orebody characterisation, mine planning, processing, disposal, reprocessing, recycling and reuse.
Chris J. Moran - One of the best experts on this subject based on the ideXlab platform.
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Designing mine tailings for better environmental, social and economic outcomes: A review of alternative approaches
Journal of Cleaner Production, 2014Co-Authors: Mansour Edraki, Emmanuel Manlapig, Thomas Baumgartl, Daniel M Franks, Dee Bradshaw, Chris J. MoranAbstract:With the unprecedented rate of mining and mineral processing over the past decade, there has been an increasing level of concern worldwide about the fate of tailings and the irreversible consequences of contaminant release through dust, tailings dam seepage, dam wall failure, or direct disposal of tailings into waterways. It is likely that in the future the mining of higher tonnages of lower grade ore and the possibility of more extreme weather events associated with global climatic change, may increase the risks associated with mine tailings management. In this paper we review alternative tailings management methods that aim to improve environmental, social and economic outcomes. Three approaches in particular are highlighted: paste and thickened tailings; tailings reuse, recycling and reprocessing; and proactive management (e.g. The integration of Sulphide Flotation with cemented paste backfill). The aim of the present study is to scope the opportunities that could be gained by developing an integrated research framework that traces tailings properties back to the orebody. In the future models could be constructed to optimise environmental, social and economic outcomes of tailings management across the value chain through integrated orebody characterisation, mine planning, processing, disposal, reprocessing, recycling and reuse.
