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Effect of additive on corrosion resistance of NiFe2O4 ceramics as inert anodes XI Jin-hui(席锦会)1, XIE Ying-jie(谢英杰)2, YAO Guang-chun(姚广春)2, LIU Yi-han(刘宜汉)2 1. School of Materials Science...; Abstract: In order to improve the corrosion resistance of NiFe2O4 ceramics as inert anode, additive V2O5 was added to raw materials NiO and Fe2O3. The inert anodes of nickel-ferrite ceramics were prepared......
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carbon anodes are used in the electrowinning of aluminium by the Hall-Heroult process. Emissions of CO2 may be eliminated by introducing an inert oxygen evolving anode, which however will require... out in an alternative molten salt electrolyte consisting of CaCl2-CaO-NaCl at 680 °C. Porous anodes of platinum and tin oxide were tested during electrolysis at constant current. The behaviour of inert......
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Preparation and Electrochemical Properties of Pb-0.3wt%Ag/Pb-WC Composite Inert Anodes何世伟1,2,徐瑞东1,3,WANG Jiong1,HAN Sha1,CHEN Buming11. Faculty of Metallurgical and Energy Engineering,Kunming...="ChDivSummary" name="ChDivSummary">We prepared Pb-0.3wt%Ag/Pb-WC(WC stands for tungsten carbide,the same below) composite inert anodes by double-pulse electrodeposition on the surface of Pb-0.3wt%Ag substrates......
of protecting electrolysis cells: USA, US9340887[P]. 2016–05–17. [2] DIMILIA R A, LIU Xing-hua, WEIRAUCH J D. Stable anodes including iron oxide and use of such anodes in metal production cells: USA... electrolysis [D]. Changsha: Central South University, 2007, 48–57. (in Chinese) [22] YANG J H, HRYN J N, KRUMDIC G K. Aluminum electrolysis tests with inert anodes in KF-AlF3-based electrolytes [C......
Corrosion of Zinc Ferrite Based Inert Anodes in AlF3-NaF-Al2O3 Melts Under Conditions of Anodic Polarization Dong Yunhui1,Zhao Zengdian1,Zhang Lipeng1,Yu Xianjin1 (1.School of Chemical Engineering, Shandong University of Technology, Zibo 255049, China;2.School of Materials and Metallurgy, Northeast University, Shenyang 110006, China) Abstract:ZnFe2O4-based inert anodes were made to conduct......
which kind of metal content should be selected to improve the corrosion resistance of 10NiO- NiFe2O4 based cermet inert anodes. 2 Experimental 2.1 Preparation of ceramic and cermets The raw..., for the cermet inert anodes investigated, the contents of metal Ni are 0%, 5%, 10%, 15% and 20%, and the steady-state concentrations of impurity Fe in the bath are about 304×10-6, 385×10-6, 319×10-6......
: TMS, 1987. 351-355. [8] HRYN J N, SADOWAY D R. Cell testing of metal anodes for the aluminium electrolysis [A]. DAS S K. Light Metals 1993 [C]. Warrendale, PA: TMS, 1993. 475-483. [9] RAY S P. Inert... produced are Ni 0.128 8%, Fe 1.007 4%. The corrosion rate of inert anode under electrolysis conditions based on the content of impurity Ni in metal aluminum is approximately 8.51 mm/a. Key words......
, 2003, 21(4): 44-47. (in Chinese) [17] PIETRZYK S, OBLAKOWSKI R. Investigation of the concentration of the inert anodes in the bath and metal during aluminum electrolysis[C]// ECKERT C E. Light Metals...; 2. College of Materials Science and Metallurgy Engineering, Guizhou University, Guiyang 550003, China) Abstracts: 5Cu/(10NiO-NiFe2O4) cermet inert anodes were prepared by cold-pressing and sintering......