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J. Cent. South Univ. (2017) 24: 62-70 DOI: 10.1007/s11771-017-3409-9 Recovery of magnetite from FeSO4·7H2O waste slag by co-precipitation method with calcium hydroxide as precipitant YU Wang(余旺)1... with calcium hydroxide as the precipitant. Under optimum conditions, the obtained spherical magnetite particles are well crystallized with a Fe3O4 purity of 88.78%, but apt to aggregate with a median......
Cathodic reduction process of Al-Cu-Y alloy in fluoride-oxide eutectic system via molten salt electrolysisXu Wang,Chunfa Liao,Yunfen Jiao,Hao TangSchool of Metallurgy and Chemical Engineering,Jiangxi University of Science and Technology摘 要:Al-Cu-Y alloys were prepared by molten salt electrolysis in fluoride-oxide system composed of electrolyte(Na3......
alloys prepared by molten salt electrolysis. The alloys contain 0.23–1.38 wt%Sc where Sc segregation is observed. It is found that a high current density and long electrolysis time are in favor of high...Segregation behaviors of Sc and unique primary Al3Sc in Al-Sc alloys prepared by molten salt electrolysisXuan Liu,Jilai Xue,Zhichao Guo,Cheng ZhangSchool of Metallurgical and Ecological Engineering......
Cathodic reduction process of Al-Cu-Y alloy in fluoride-oxide eutectic system via molten salt electrolysisXu Wang,Chunfa Liao,Yunfen Jiao,Hao TangSchool of Metallurgy and Chemical Engineering,Jiangxi University of Science and Technology摘 要:Al-Cu-Y alloys were prepared by molten salt electrolysis in fluoride-oxide system composed of electrolyte(Na3......
preparation of Mg-RE alloys, much of the cost results from the preparation of the anhydrous chlorides. When magnesium is produced by electrolysis of the molten chloride in an electrolyte consisting of alkali... materials to prepare the alloys. In this work, electrolytic preparation of Mg-La alloys in chloride molten salt was studied, with the emphasis on the influence of oxides on the electrolysis. The effects......
Preparation of Mg-Yb alloy film by electrolysis in the molten LiCl-KCl-YbCl3 system at low temperature陈野,叶克,张密林Key Laboratory of Superlight Materials & Surface Technology,Ministry of Education... film at solid magnesium cathode in the molten LiCl-KCl-YbCl3(2 wt.%) system at 773 K was investigated.Transient electrochemical techniques,such as cyclic voltammetry,chronopotentiometry......
electrochemical reduction of titanium dioxide to titanium in molten calcium chloride[J]. Nature, 2000, 407(9): 361-364. [4] ZHAO C Y, WU Z G. Thermal property characterization of a low melting-temperature...) Abstract: The thermal stability of the eutectic Na2CO3-NaCl molten salt was investigated from the melting point to 1 000 ℃. The mass loss at high temperatures, the cycle performance, the component......
DOI: 10.11817/j.issn.1672-7207.2019.06.008 使用P204从甲基磺酸溶液中萃取铟的研究 何静,李杨刚,柳涛,廖方文,陈永明,杨声海 (中南大学 冶金与环境学院,湖南 长沙,410083) 摘要:以粗铅电解后液的甲基磺酸溶液为原料,使用萃取剂P204从甲基磺酸溶液中萃取铟.考察萃取剂体积分数,水相组成,搅拌时间,温度,相比等因素对铟萃取率的影响,模拟理论级数的逆流萃取.研究结果表明:在萃取剂体积分数为55%,甲基磺酸浓度为0.52~1.04 mol/L,水相pH为0.5~2.0,搅拌时间为1.5 min,温度为20~30 ℃,水相和有机相体积比为4:1的最优条件下,铟的平均萃取率达到98%以上；经过2级逆流萃取,铟萃取率达到99%；通过斜率法和红外光谱技术得到萃合物的分子式及萃取反应式,证实P204中的羟基-OH参加成键,并与游离的铟离子发生取代反应......
; current efficiency; electrolysis; chlorides molten salts 1 Introduction Due to the increased use of aluminum alloys, an increased amount of Al scrap has been generated. Recycling aluminum alloys is both...-layer electrolysis process and segregation process. The three-layer process uses molten salt electrolysis to produce aluminum of greater than 99.99% purity. However, high temperature (700-900 °C......
, SONG Wei-Li, CHEN Hao-sen, et al. Sustainable recycling of titanium scraps and purity titanium production via molten salt electrolysis[J]. Journal of Cleaner Production, 2020, 261: 121314. [13] WENG Qi... by electrolysis in molten NaCl-KCl[J]. RSC Advances, 2016, 6: 8644-8650. [15] SONG Jian-xun, WANG Qiu-yu, KANG Min-ho, et al. The equilibrium between titanium ions and metallic titanium in the molten......
