2015
DOI: 10.1149/2.0561514jes
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Simulation and Validation Studies of Impurity Particle Behavior in Copper Electrorefining

Abstract: A model based in COMSOL Multiphysics consisting of an electrorefining cell was utilized to simulate copper electrorefining. Concentration and electrolyte density profiles were generated as electrochemical simulation results. Fluid velocity field, particle trajectories, and particle distribution maps were generated to study impurity particle behavior in electrolyte. A three factor designed set of boundary conditions was used to determine the effects of inlet flow rate, temperature, and current density on impuri… Show more

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Cited by 31 publications
(37 citation statements)
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“…On the other hand, slime particles, especially small and light ones, can be carried by electrolyte flow in electrorefining cells and transported to the domain near the cathode, where they can get entrapped in the cathodic deposit. 9,10 Thus, electrolyte flows in electrolytic cells, especially in the inter-electrode domains, are significant and need to be well controlled. Since upward flow can keep slime particles in suspension and exert potential harm to the cathode, downward flow would be favored along both the anode and the cathode as it facilitates the settlement of slime particles.…”
Section: Introductionmentioning
confidence: 99%
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“…On the other hand, slime particles, especially small and light ones, can be carried by electrolyte flow in electrorefining cells and transported to the domain near the cathode, where they can get entrapped in the cathodic deposit. 9,10 Thus, electrolyte flows in electrolytic cells, especially in the inter-electrode domains, are significant and need to be well controlled. Since upward flow can keep slime particles in suspension and exert potential harm to the cathode, downward flow would be favored along both the anode and the cathode as it facilitates the settlement of slime particles.…”
Section: Introductionmentioning
confidence: 99%
“…Since upward flow can keep slime particles in suspension and exert potential harm to the cathode, downward flow would be favored along both the anode and the cathode as it facilitates the settlement of slime particles. [9][10][11] Conventional electrorefining cells generally have inlets at positions near the cell bottom and outlets at the cell top. This design exerts upward flows in the cell and, as a matter of fact, the inlet flow under the design has less effect on the flow fields at the inter-electrode domains than the natural convection.…”
Section: Introductionmentioning
confidence: 99%
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“…However, if the slimes layer is dense and thick with smaller pore sizes, Cu 2 O can be present in the layer. Secondly, NiO, Ni-Fe oxides and Kupferglimmer are insoluble when exposed to the electrolyte.…”
mentioning
confidence: 99%