Boosting effect of ultrasonication on the oxygen evolution reaction during zinc electrowinning [PDF]
Ultrasonics SonochemistryIn this study, the electrochemical and anodic behaviors of Pb-Ag anodes during ultrasound-assisted zinc electrowinning were meticulously examined. The oxygen evolution reaction (OER) occurring at the Pb-Ag anodes in a 150 g L-1 aqueous H2SO4 solution was
Guihong Han +6 more
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Effect of Thallium (I) Ions on the Zinc Electrowinning Process
Studia Universitatis Babes-Bolyai Chemia, 2023 The effects of thallium(Ⅰ) ions on the surface morphology, cathode current efficiency, cathode potential, polarization behavior, and electrochemical impedance spectroscopy of zinc electrowinning were studied by scanning electron microscopy and ...
Ning YUAN +6 more
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Influence of Bi3+ Doping on Electrochemical Properties of Ti/Sb-SnO2/PbO2 Electrode for Zinc Electrowinning [PDF]
MoleculesBi3+ doped Ti/Sb-SnO2/PbO2 electrode materials were fabricated by electrodeposition to improve their electrochemical performance in zinc electrowinning.
Jia Wu +8 more
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Electrochemical mechanisms and performance regulation of ultrasonic-assisted zinc electrowinning [PDF]
Ultrasonics SonochemistryUltrasound-assisted zinc electrodeposition represents a promising strategy for process intensification, though its fundamental electrochemical mechanisms require deeper exploration.
Xiaowei Sheng +11 more
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An integrated and sustainable process for selective separation of zinc from arsenic-bearing lead smelting residue by solvent extraction [PDF]
Scientific ReportsThis study focuses on the development of a solvent–extraction–based purification route for the selective separation of zinc and arsenic from the acidic leach solution generated by a lead smelting furnace residue in a metallurgical facility in Zanjan ...
Mohammad Hossein Davoudi +1 more
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Optimal Control for Zinc Electrowinning Process With Current Switching
IEEE Access, 2017 This paper is concerned with the optimal control problem for the zinc electrowinning (EW) process during the current switching period. A mathematical model is developed to reveal the dynamic characteristics of the whole plant of the zinc EW process and ...
Chunhua Yang +4 more
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Analysis of effective parameters on cadmium cementation reaction from the perspective of diffusion [PDF]
Journal of Particle Science and Technology, 2021 Cadmium is one of the impurities to be removed from the electrolyte solution before zinc electrowinning. Removal of cadmium by cementation with zinc powder is diffusion-controlled.
Vahid Vahidfard +3 more
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Studies on zinc recovery from technogenic waste [PDF]
E3S Web of Conferences, 2021 Results from laboratory experiments are presented on extraction of zinc available in waste from lead-zinc metallurgy, mixed with lead-zinc flotation tailings and some waste rock, by leaching it under atmospheric conditions with sulfuric acid (H2SO4 ...
Panayotova Marinela, Panayotov Vladko
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Gallium Electrowinning in Complex Solutions Produced by a Zinc Hydrometallurgy System [PDF]
ACS OmegaJie Wang +7 more
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An environmentally friendly and high current efficiency acid mist inhibitor for zinc electrowinning
Materials Research Express, 2023 Acid mist inhibitor is an effective additive for suppressing the generation of acid mist during electrowinning process. However, the traditional acid mist inhibitor has a low current efficiency, leading to high energy consumption.
Qi Ji +6 more
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