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- W4320036745 abstract "As environmental, energy saving, and legislation considerations are becoming ever more important, there is evidently a demand for further improvement in slag handling and metal recovery practice. The metallurgical industry is initiating its actions into minimizing and processing of slags to achieve sustainable development and circular economyCircular economy. Reduction of copperCopper oxide is an important step of metal recovery and slag cleaning in copperCopper production. This can be achieved by slag treatment with injected reducing agents. In this paper, it is presented a computational fluid mechanics model of tuyere and purging plugPurging plugs injection of reductants into slag that considers a first-order heterogenic chemical reaction to model copper oxide reductionCopper-oxide reduction. Using the model, it is possible to compare and optimize tuyere and purging plugPurging plugs arrangements in terms of time needed to reduce copperCopper oxide content to a given value. Copper oxide reductionCopper-oxide reduction accomplished with the injection of different reducing media (oil, natural gas, and hydrogenHydrogen) for several tuyere/plug arrangements in a slag refining furnace was simulated and the reduction performance using different reduction media was compared. It was shown that purging plugsPurging plugs, which may be installed at the deepest position in the furnace, create an improved gas flow pattern that results in a higherCopper-oxide reduction copper oxide reduction rateReduction rate and decreasing in CO2 emission." @default.
- W4320036745 created "2023-02-12" @default.
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- W4320036745 date "2023-01-01" @default.
- W4320036745 modified "2023-10-14" @default.
- W4320036745 title "Alternatives of Copper (I) Oxide Reduction in a Copper Slag Cleaning Furnace" @default.
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- W4320036745 doi "https://doi.org/10.1007/978-3-031-22634-2_13" @default.
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