|
|
Effect of Cyclical Flow Velocity on Magnetized Copper Electrolysis Process |
YAO Xiayan1(), ZHAO Yunyun1, WANG Junhui2, NIU Yongsheng1, LU Xingwu1 |
1.Northwest Research Institute of Mining and Metallurgy,Key Laboratory of New Process for Non-ferrous Metal Smelting and Rare Metal High Utilization Efficiency in Gansu Province, Baiyin 730900, China 2.Baiyin Nonferrous Group Co. Ltd. , Baiyin 730900, China |
|
Cite this article:
YAO Xiayan, ZHAO Yunyun, WANG Junhui, NIU Yongsheng, LU Xingwu. Effect of Cyclical Flow Velocity on Magnetized Copper Electrolysis Process. Chinese Journal of Materials Research, 2020, 34(5): 392-400.
|
Abstract In order to improve the quality of cathode copper, the intense magnetic field was used to enhance the diffusion of Cu2+ and the self-purification process of copper electrolysis. From the point of view of ionic magnetism and ionic hydration, experiments on magnetized copper electrolysis at different flow velocity were carried out. The effect of Lorentz force and magnetic field gradient force on the diffusion properties, impurity ion concentration and apparent quality of cathode copper was investigated. The mechanism of copper electrolysis strengthened by vertical orientation magnetic field and horizontal orientation magnetic field was respectively analyzed. Results show that magnetic field can strengthen the convection, weaken the hydrogen bonding, reduce the ion hydration and increase the energy of the system. Besides, the diffusion of Cu2+ and the deposition rate of impurity ions such as As, Sb and Bi were also increased, which could improve the clarity of electrolyte and the apparent quality of cathode copper. On the other hand, the dissolved oxygen, microbubbles and surface tension of electrolyte increased with the increase of cyclical flow velocity, so leading to the failure of magnetic field synergy. There is an optimum cyclical velocity to improve the quality of cathode copper in the process of magnetized copper electrolysis.
|
Received: 30 September 2019
|
|
Fund: Research Project on Industrial Green Low Carbon Transition and Upgrading in Gansu Province(GGLD-2019-28);Baiyin 2019 Science and Technology Plan(2019-1-12G) |
[1] |
Ninomiya Y, Sasaki H, Kamiko M, et al. Passivation of Cu-Sb anodes in H2SO4-CuSO4 aqueous solution observed by the channel flow double electrode method and optical microscopy [J]. Electrochim. Acta, 2019, 309: 300
|
[2] |
Zeng W Z, Free M L, Wang S J. Studies of anode slime sintering/coalescence and its effects on anode slime adhesion and cathode purity in copper electrorefining [J]. J. Electrochem. Soc., 2016, 163: E14
|
[3] |
Shabani A, Hoseinpur A, Yoozbashizadeh H, et al. As, Sb, and Fe removal from industrial copper electrolyte by solvent displacement crystallisation technique [J]. Can. Metall. Quart., 2019, 58: 253
|
[4] |
Artzer A, Moats M, Bender J. Removal of antimony and bismuth from copper electrorefining electrolyte: Part I—A Review [J]. JOM, 2018, 70: 2033
|
[5] |
Mitra A, Mallik M, Sengupta S, et al. Effect of anodic passivation at high applied potential difference on the crystal shape and morphology of copper electrodeposits: thermodynamics and kinetics of electrocrystallization [J]. Cryst. Growth Des., 2017, 17: 1539
|
[6] |
Moats M S, Wang S, Kim D. A review of the behavior and deportment of lead, bismuth, antimony and arsenic in copper electrorefining [A] T.T. Chen Honorary Symposium on Hydrometallurgy, Ele-ctrometallurgy and Materials Characterization [D]. John Wiley & Sons., Inc. 2012
|
[7] |
Luo X, Su L S, Gao H X, et al. Density, viscosity, and N2O solubility of aqueous 2-(Methylamino)ethanol solution [J]. J. Chem, Eng, Data, 2017, 62: 129
|
[8] |
Schlesinger M E, King M J, Sole K C, et al. Extractive Metallurgy of Copper [M]. Exeter Devon, U. K. Elsevier, 2011: 389
|
[9] |
Jiang L L, Yao X Y, Yu H T, et al. Effect of permanent magnetic field on scale inhibition property of circulating water [J]. Water Sci. Technol., 2017, 76: 1981
|
[10] |
Sueptitz R, Tschulik K, Uhlemann M. Effect of high gradient magnetic fields on the anodic behaviour and localized corrosion of iron in sulphuric acid solutions [J]. Corros. Sci., 2011, 53: 3222
|
[11] |
Tschulik K, Cierpka C, Gebert A, et al. In situ analysis of three-dimensional electrolyte convection evolving during the electrodeposition of copper in magnetic gradient fields [J]. Anal. Chem., 2011, 83: 3275
|
[12] |
Monzon L M A, Coey J M D. Magnetic fields in electrochemistry: the Lorentz force. A mini-review [J]. Electrochem. Commun., 2014, 42: 38
|
[13] |
Matsushima H, Ispas A, Bund A, et al. Magnetic field effects on microstructural variation of electrodeposited cobalt films [J]. J. Solid State Electrochem., 2007, 11: 737
|
[14] |
Lu Z P. Effects of magnetic fields, solution composition and electrode potential on anodic dissolution and passivation [J]. ECS Trans., 2014, 59: 429
|
[15] |
Jiang L L, Yao X Y, Yu H T, et al. Effect of permanent magnetic field on water association in circulating water [J]. Desalinat. Water Treat., 2017, 79: 152
|
[16] |
Kalliomäki T, Aji A T, Rintala L, et al. Models for viscosity and density of copper electrorefining electrolytes [J]. Physicochem. Probl. Mineral Process., 2017, 53: 1023
|
[17] |
Brandt W. Calculation of intermolecular force constants from polarizabilities [J]. J. Chem. Phys., 1956, 24: 501
|
[18] |
Andreev M, De Pablo J J, Chremos A, et al. Influence of ion solvation on the properties of electrolyte solutions [J]. J. Phys. Chem., 2018, 122B: 4029
|
[19] |
Boström M, Williams D R M, Ninham B W. Surface tension of electrolytes: specific ion effects explained by dispersion forces [J]. Langmuir, 2001, 17: 4475
|
[20] |
Liang Y X, Chen S L, Guo X Y. The status quo of purification and impurities removal of As,Sb,Bi in copper electrolyte [J]. China Nonferrous Metall., 2009, 38(4): 69
|
|
(梁永宣, 陈胜利, 郭学益. 铜电解液中As、Sb、Bi杂质净化研究进展 [J]. 中国有色冶金, 2009, 38(4): 69)
|
[21] |
Lu Z P, Huang D L, Yang W. Probing into the effects of a magnetic field on the electrode processes of iron in sulphuric acid solutions with dichromate based on the fundamental electrochemistry kinetics [J]. Corros. Sci., 2005, 47: 1471
|
[22] |
Lorenz P B. The specific adsorption isotherms of thiocyanate and hydrogen ions at the free surface of aqueous solutions [J]. J. Phys. Colloid Chem., 1950, 54: 685
|
[23] |
Zhang M. Study of the effects of the magnetic field on the anodic dissolution of nickel with In-line digital holography [J]. Int. J. Electrochem. Sci., 2018, 13: 739
|
[24] |
Oshikiri Y, Aogaki R, Miura M, et al. Microbubble formation from ionic vacancies in copper anodic dissolution under a high magnetic field [J]. Electrochemistry, 2015, 83: 549
|
[25] |
Weissenborn P K, Pugh R J. Surface tension of aqueous solutions of electrolytes: relationship with ion hydration, oxygen solubility, and bubble coalescence [J]. J. Colloid Interface Sci., 1996, 184: 550
|
[26] |
Takasu T, Nakamura T, Itou H, et al. Effect of fluid motion of electrolyte on the behaviors of v group elements (As, Sb, Bi) in copper electrorefining under high current density [J]. Shigen to-Sozai, 1999, 115: 841
|
[27] |
Petkova E N. Mechanisms of floating slime formation and its removal with the help of sulphur dioxide during the electrorefining of anode copper [J]. Hydrometallurgy, 1997, 46: 277
|
[28] |
Chen T T, Dutrizac J E. A mineralogical overview of the behavior of nickel during copper electrorefining [J]. Metall. Trans., 2007, 21B: 229
|
[29] |
Yuan B Y, Wang C, Li L. Investigation of the effects of the magnetic field on the anodic dissolution of copper in NaCl solutions with holography [J]. Corros. Sci., 2012, 58: 69
|
[30] |
Fujiwara M, Kodoi D, Duan W, et al. ChemInform Abstract: Separation of transition metal ions in an inhomogeneous magnetic field [J]. Chem. Inform, 2001, 32: 3344
|
No Suggested Reading articles found! |
|
|
Viewed |
|
|
|
Full text
|
|
|
|
|
Abstract
|
|
|
|
|
Cited |
|
|
|
|
|
Shared |
|
|
|
|
|
Discussed |
|
|
|
|