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Flash smelting furnace (FSF) technology by Outokumpu is one of the most widely employed methods for copper smelting. Developing an understanding of the impact of the process parameters on smelting operation through modelling is the key to improve the smelting efficiency. Though several numerical approaches for modelling the FSF have been …
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2021511 · The raw material for copper matte smelting is a fine sulfide concentrate. In flash smelting, for example, the dried concentrate gets in contact with oxygen-enriched air in the burner at top of the reaction shaft. Fe and S are oxidized from the Cu-Fe-S concentrate to produce a Cu-rich sulfide phase, the copper matte.
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Process control in flash smelting is based on mass and energy balance from which the operational parameters (oxygen coefficient, oxygen enrichment, and flux demand) are obtained to achieve matte and slag with defined compositions and at defined temperatures. Mineral compositions of copper concentrates, and their blends, have been used in order …
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20191112 · The effectivity of present copper smelting technologies have their roots in industrial and laboratory-scale experience accumulated over the past decades. Since early ‘60s, the tools for improving the processing conditions and smelting vessel design included scale modelling and manual computing of homogeneous multicomponent equilibria. The …
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Copper smelting basics In early stages of the technology development, several pilot-scale flash smelting furnaces of different feed rates, typically between 0.1 and 1 mt/h, were built for detailed process chemistry and fluid flow purposes [2, 10-13], see Fig. 1.
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2020911 · Abstract: Process control in flash smelting is based on mass and energy balance from which the operational parameters (oxygen coefficient, oxygen enrichment, and flux demand) are obtained to achieve matte and slag with defined compositions and at defined temperatures. Mineral compositions of copper concentrates, and their blends, …
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201791 · Feed materials for direct-to-blister smelting furnace mainly contain chalcocite (Cu2 S) and bornite (Cu 5 FeS 4) [1]. The quality of copper produced in flash smelting furnace is defined by its lead content, which should be below 0.3% for the product to conform to blister copper quality requirements. The obtaining of the required lead content …
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198911 · The energy balance of a copper flash smelting furnace is investigated by forming equations to describe heat balances in both the reaction shaft and in…
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