DOI: 10.18503/1995-2732-2025-23-1-158-169
Abstract
Currently, the problem of complex processing of mineral raw materials at metallurgical plants is acute. To a large extent, this applies to industrial products with a high content of oxidized lead (dust, fumes, cakes), which are formed in lead, zinc, steelmaking and other industries. The use of alkaline hydrometallurgical technology for the processing of oxidized lead-containing materials reduces the cost of their processing and increases the degree of extraction of valuable components. The aim of the work is to develop a mathematical and block-modular model of bipolar electrodeposition of spongy lead precipitate from alkaline solutions in a flow-type facility followed by a simulation study of the process on the model. A research facility has been developed that includes a flow-through electrolysis cell with two mesh cathodes and two flat anodes, a potentiostat, a dispenser, a high-resistance millivoltmeter, a magnetic stirrer with heating and temperature stabilization and two silver chloride reference electrodes. The process of electrodeposition of a lead sponge on the developed facility was carried out in the following modes: stabilization of the cathode potential relative to the potential of the silver chloride electrode on the front side (potentiostatic mode) or stabilization of the current in the cell (galvanostatic mode). The modes were set using a potentiostat. The potential of the back layer of the sponge was monitored using a high-resistance millivoltmeter. Experiments have been carried out that have shown a significant potential difference between the outer and inner layers of the cathode sponge. Based on the processing of experimental data, an electrical circuit was developed and a mathematical model of the process was obtained. A block-modular scheme has been created in Simulink, which allows for simulation modeling of the process. The simulation results show the adequacy of the model and its applicability for its use in information management systems of lead production.
Keywords
mathematical model, electrolyzer, alkaline solutions, lead sponge, lead electrolysis, Simulink, block-modular modeling
For citation
Zarochentsev V.M., Rutkovsky A.L., Bolotaeva I.I., Kovaleva M.A. The Block-Modular Modeling of Bipolar Electrodeposition of Spongy Lead Precipitation from Alkaline Solutions. Vestnik Magnitogorskogo Gosudarstvennogo Tekhnicheskogo Universiteta im. G.I. Nosova [Vestnik of Nosov Magnitogorsk State Technical University]. 2025, vol. 23, no. 1, pp. 158-169. https://doi.org/10.18503/1995-2732-2025-23-1-158-169
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