Abstract
Electrolytic production of copper powders is a process with a high power consumption . This study establishes a power consumption model for copper powder electrolysis using the response surface methodology (RSM) under laboratory conditions, which provides the basis for reducing power consumption . First, seven process parameters were screened out using the Plackett–Burman design (PBD) experiments. The results show that the factors that have a significant effect on the power consumption of copper powder electrolysis are electrolyte temperature, Cu2+ concentration, H2SO4 concentration, inter-electrode spacing, and current density. A quadratic mathematical model of significant factors and power consumption was then developed using the Box–Behnken design (BBD) of RSM. Finally, the model was used to optimize the most energy-efficient process conditions. In addition, scanning electron microscopy (SEM) analysis indicates that the morphologies of electrolytic copper powders deposited under the optimized conditions generally have dendritic structure and the agglomerated copper particles are almost globular.
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Acknowledgements
Support from the National Natural Science Foundation of China [grant number 51674057], the Chongqing Research Program of Basic Research and Frontier Technology [grant numbers cstc2016jcyjA0142, cstc2017jcyjAX0236], the Scientific and Technological Research Program of Chongqing Municipal Education Commission [grant numbers KJ1601326, KJ1713343], the Research Foundation of Chongqing University of Science & Technology [grant number CK2016B19] is gratefully acknowledged.
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Wang, H., Xia, W., Ren, B. (2019). Power Consumption Model for Electrolytic Preparation of Copper Powders Using Response Surface Methodology. In: Lambotte, G., Lee, J., Allanore, A., Wagstaff, S. (eds) Materials Processing Fundamentals 2019. The Minerals, Metals & Materials Series. Springer, Cham. https://doi.org/10.1007/978-3-030-05728-2_24
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DOI: https://doi.org/10.1007/978-3-030-05728-2_24
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