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Column leaching of lanthanides from Abu Tartur phosphate ore with kinetic studyA.T. Kandil1,A.M. Kamel11. Chemistry Department, Faculty of Science, Helwan University摘 要:The dynamic leaching of lanthanides from a west desert phosphate ore, Egypt (Abu Tartur) by hydrochloric acid, nitric acid and sulfuric acid solutions was investigated in this study......
Column leaching of lanthanides from Abu Tartur phosphate ore with kinetic studyA.T. Kandil1,A.M. Kamel11. Chemistry Department, Faculty of Science, Helwan University摘 要:The dynamic leaching of lanthanides from a west desert phosphate ore, Egypt (Abu Tartur) by hydrochloric acid, nitric acid and sulfuric acid solutions was investigated in this study......
Leaching kinetics of ionic rare-earth in ammonia-nitrogen wastewater system added with impurity inhibitors邱廷省1,朱冬梅2,方夕辉1,曾清华1,3,高广阔1,朱华磊11. Faculty of Resource and Environmental Engineering, Jiangxi...+, Fe3+, Ca2+, Cl–, and Si O32–) with a p H of 5.4–5.6.Its direct discharge will pollute, yet it can be recycled and used as a leaching reagent for ionic rare-earth ores.In this study, leaching......
Leaching kinetics of ionic rare-earth in ammonia-nitrogen wastewater system added with impurity inhibitors邱廷省1,朱冬梅2,方夕辉1,曾清华1,3,高广阔1,朱华磊11. Faculty of Resource and Environmental Engineering, Jiangxi...+, Fe3+, Ca2+, Cl–, and Si O32–) with a p H of 5.4–5.6.Its direct discharge will pollute, yet it can be recycled and used as a leaching reagent for ionic rare-earth ores.In this study, leaching......
Leaching isomorphism rare earths from phosphorite ore by sulfuric acid and phosphoric acidHui-Xin Jin1,2,Fu-Zhong Wu1,2,Xiao-Hao Mao1,Mei-Long Wang1,Hong-Yan Xie11. College of Materials... in the world contain isomorphism rare earths(RE) which are considerably difficult to be leached into solution in the wet phosphoric acid process. In this work, a systematic study of leaching RE using sulfuric......
Lattice Boltzmann model for simulation on leaching process of weathered elution-deposited rare earth ore邱廷省1,朱冬梅1,吴承优1,2,3,王利民21. School of Resource and Environmental Engineering, Jiangxi University...., Ltd摘 要:The lattice Boltzmann model with coupled chemical reaction was proposed to simulate the ion exchange process of rare earth leaching and verified......
Lattice Boltzmann model for simulation on leaching process of weathered elution-deposited rare earth ore邱廷省1,朱冬梅1,吴承优1,2,3,王利民21. School of Resource and Environmental Engineering, Jiangxi University...., Ltd摘 要:The lattice Boltzmann model with coupled chemical reaction was proposed to simulate the ion exchange process of rare earth leaching and verified......
leaching process.In this study,a new method for leaching NdFeB waste with oxalic acid was developed.The high-efficiency,simultaneous and high-value recovery of rare earth elements and iron was realized to simplify the process and improve the economic benefit.Results of the oxalic acid leaching experiments show that under the optimum leaching conditions at 90℃ for 6 h in the aqueous solution......
Investigation on microwave heating for direct leaching of chalcopyrite ores and concentratesKubra Onol,Muhlis Nezihi SaridedeDepartment of Metallurgical and Materials Engineering, Faculty... presenting numerous advantages because of the rapid heating feature. Microwave technology has great potential to improve the extraction efficiency of metals in terms of both a reduction in required leaching......
Dissolution behavior of Caldag lateritic nickel ore subjected to a sequential organic acid leaching methodSait Kursunoglu,Muammer KayaDepartment of Mining Engineering, Eskisehir Osmangazi University摘 要:The dissolution behavior of Caldag lateritic nickel ore subjected to a sequential organic acid leaching method was investigated. The effects of the type......