| Results from 100 h electrolysis testing of NiFe2O4 based cermet as inert anode in aluminum reduction |
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| 引用本文： | 赖延清 田忠良 李劼 叶绍龙 李新征 刘业翔. Results from 100 h electrolysis testing of NiFe2O4 based cermet as inert anode in aluminum reduction[J]. 中国有色金属学会会刊, 2006, 16(4): 970-974. DOI: 10.1016/S1003-6326(06)60362-2 |
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| 作者姓名： | 赖延清 田忠良 李劼 叶绍龙 李新征 刘业翔 |
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| 作者单位： | School of Metallurgical Science and Engineering C entral South University Changsha 410083 China，School of Metallurgical Science and Engineering C entral South University Changsha 410083 China，School of Metallurgical Science and Engineering C entral South University Changsha 410083 China，School of Metallurgical Science and Engineering C entral South University Changsha 410083 China，School of Metallurgical Science and Engineering C entral South University Changsha 410083 China，School of Metallurgical Science and Engineering C entral South University Changsha 410083 China |
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| 基金项目： | 国家重点基础研究发展计划(973计划);国家自然科学基金;湖南省自然科学基金 |
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| 摘 要： | 1 Introduction Since the Hall-Héroult process was applied in aluminum production, an inert anode was always the target that the aluminum industry was seeking for in the new technology field[1]. Some selection criteria have been defined in order to ident…
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| 关 键 词： | 炼铝 电解 惰性阳极 金属陶瓷 NiFe2O4 |
| 收稿时间： | 2005-12-07 |
| 修稿时间： | 2006-03-06 |
Results from 100 h electrolysis testing of NiFe2O4 based cermet as inert anode in aluminum reduction |
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| LAI Yan-qing,TIAN Zhong-liang,LI Jie,YE Shao-long,LI Xin-zheng,LIU Ye-xiang. Results from 100 h electrolysis testing of NiFe2O4 based cermet as inert anode in aluminum reduction[J]. Transactions of Nonferrous Metals Society of China, 2006, 16(4): 970-974. DOI: 10.1016/S1003-6326(06)60362-2 |
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| Authors: | LAI Yan-qing TIAN Zhong-liang LI Jie YE Shao-long LI Xin-zheng LIU Ye-xiang |
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| Affiliation: | 1. INRS-Énergie, Matériaux et Télécommunication, 1650 Blvd Lionel-Boulet, Varennes, Québec J3X 1S2, Canada;2. Kingston Process Metallurgy Inc., 759 Progress Avenue, Kingston, Ontario K7M 6N6, Canada;1. INRS-Énergie Matériaux Télécommunication, 1650 Boulevard Lionel Boulet, Varennes, Québec J3X 1S2, Canada;2. Kingston Process Metallurgy Inc., 759 Progress Avenue, Kingston, Ontario K7M 6N6, Canada |
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| Abstract: | A 100 mm diameter cup-shaped inert anode for aluminum electrolysis consisting of cermet 17Ni/83(10NiO-90NiFe2O4) was prepared and the operating performance was evaluated in a laboratory cell with the electrolyte CR2.3 and Al2O3 concentration 7.43% (mass fraction). The results indicate that no major operational difficulties are encountered during the testing which lasts for 101.5 h and the inert anode exhibits good general performances. The steady-state average concentration of impurity Ni in the bath is close to the solubility, however, the Fe concentration is lower than its solubility. The contents of the main contaminants for aluminum 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. |
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| Keywords: | aluminum electrolysis inert anode cermet NiFe2O4 |
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