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Thermodynamic Considerations of Copper Complex Resources Smelting Process

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Extraction 2018

Part of the book series: The Minerals, Metals & Materials Series ((MMMS))

Abstract

Large quantities of copper complex resources are produced globally and urgent to be cleanly processed. This article presents a thermodynamic analysis of mixed smelting process including low-grade polymetallic copper sulfide concentrates, high copper content sulfide concentrates, metallurgical by-products (copper removal slag from lead metallurgy), and copper powder from electronic waste. A top blown smelting reactor to simulate mixed smelting process is developed using a metallurgical process simulator, METSIM. Reactor parameters, heat loss and phase distributions are estimated from actual plant data. The proper proportion between complicated primary and secondary copper resources is determined by analyzing the influence of the feed rates of various resources, oxygen, silica flux and revert on the smelting performance. Autogenous smelting process is built by optimized matching materials of copper complex resources, in terms of the reactor temperature , copper content in matte and slag , and the percentage of magnetite in slag .

Foundation item: Project (51620105013) supported by National Natural Science Foundation of China. Project (2017zzts124) supported by the Fundamental Research Funds for the Central Universities of Central South University.

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Acknowledgements

Financial support granted by the Funds for International Cooperation and Exchange of the National Natural Science Foundation of China (Contract No. 51620105013), and the Fundamental Research Funds for the Central Universities of Central South University (No. 2017zzts124), are gratefully acknowledged.

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Correspondence to Xueyi Guo .

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Tian, M., Guo, X. (2018). Thermodynamic Considerations of Copper Complex Resources Smelting Process. In: Davis, B., et al. Extraction 2018. The Minerals, Metals & Materials Series. Springer, Cham. https://doi.org/10.1007/978-3-319-95022-8_46

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