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J. Cent. South Univ. (2020) 27: 27-36 DOI: https://doi.org/10.1007/s11771-020-4275-4 Kinetics of leaching lithium from lepidolite using mixture of hydrofluoric and sulfuric acid WANG Hai-dong(王海东)1... shows great potential in leaching lithium (Li) from lepidolite. Leaching kinetics of Li in a mixture of sulfuric acid and hydrofluoric acid, which is a typical lixivant for the fluorine-based chemical......
Trans. Nonferrous Met. Soc. China 22(2012) 1753-1759 Extraction of lithium from lepidolite using chlorination roasting-water leaching process YAN Qun-xuan, LI Xin-hai, WANG Zhi-xing, WANG Jie-xi...: Chlorination roasting followed by water leaching process was used to extract lithium from lepidolite. The microstructure of the lepidolite and roasted materials were characterized by X-ray......
锂云母在铁水预处理中对CaO-FeO-CaF2渣系脱磷的影响李进1,王一成2,王明林2,仇圣桃2(1.云南省昆明市昆明理工大学冶金与能源工程学院2.钢铁研究总院 连铸技术国家工程研究中心,北京 100081)摘 要:在实验室1 340~1 360℃条件下,进行了CaO-FeO-CaF2渣系中添加锂云母的铁水预处理脱磷试验.研究了锂云母添加量对渣系熔点和脱磷效果的影响,以及(CaO+锂云母)/FeO对脱磷的影响.研究结果表明:CaO-FeO-CaF2渣系随锂云母含量的增加,渣系熔点逐渐降低;在1 340~1 36......
for this element. Therefore, this study optimized an innovative process, which does not require a high-temperature calcination step, for lithium extraction from lepidolite. Mechanical activation and acid......
Kinetic approach to the study of froth flotation applied to a lepidolite oreNathália Vieceli1,Fernando O.Dur?o2,Carlos Guimar?es2,Manuel F.C.Pereira2,Fernanda Margarido11. Center for Innovation, Technology and Policy Research-IN+, Instituto Superior Técnico, University of Lisbon2. CERENA-Centro de Recursos Naturais e Ambiente, DECivil, Instituto Superior Técnico, University of Lisbon摘 要:
; 文献标志码:A Kinetics of lepidolite decomposition reaction in sulfuric acid solution ZHAO Xun, YANG Jing, MA Hong-wen, LIU Mei-tang, LIN Fei (School of Materials Science and Technology, China University of Geosciences, Beijing 100083, China) Abstract: The decomposition of lepidollite in sulfuric acid solution was studied and the lepidolite concentrate from Sichuan province was obtained......
Trans. Nonferrous Met. Soc. China 29(2019) 641-649 Recovery of valuable metals from lepidolite by atmosphere leaching and kinetics on dissolution of lithium Jin-lian LIU1, 2, Zhou-lan YIN1, Xin-hai.... School of Metallurgy and Environment, Central South University, Changsha 410083, China Received 8 December 2017; accepted 16 November 2018 Abstract: The lepidolite located in Yichun, Jiangxi Province......
Trans. Nonferrous Met. Soc. China 31(2021) 2165-2173 Enhanced lithium leaching from lepidolite in continuous tubular reactor using H2SO4+H2SiF6 as lixiviant Hui GUO1,2,3, Ge KUANG2, Huan LI2,4, Wen... to enhance leaching of lithium from lepidolite. The H2SiF6 was obtained as a byproduct of anhydrous hydrofluoric acid production, aiming to provide HF molecules. It was found that the HF molecules were......
某低品位铌-钽多金属矿中锂的可利用性李艳峰1,邓雁希2,王玲3(1.北京市北京矿冶研究总院 2.中国地质大学(北京),北京 1000833.北京矿冶研究总院,北京 100070)摘 要:某低品位铌,钽多金属矿中伴生组分锂含量(Li2O)为0.39%,已达工业回收品位.工艺特性研究表明,矿石中锂的赋存状态复杂,其中仅有43.54%的锂以锂辉石形式存在,其次以透锂长石及锂云母等形式存在,透锂长石与其他长石相似的可浮性,使得大部分透锂长石基本进入尾矿,而回收锂云母的同时白云母及黑云母也进入锂精矿,大大降低锂精矿的品位......
of granitie pegmatite are elbaite, quartz, albite, muscovite and lepidolite. The elbaite concentrate with tourmaline grade of 98.31% and tourmaline recovery of 82.19% and mica concentrate with mica grade......