全部文献期刊学位论文会议报纸专利标准年鉴图书|学者科研项目
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作者:Faraz Soltani , Mahmoud Abdollahy , Jochen Petersen ...
来源:[J].Hydrometallurgy(IF 2.169), 2018, Vol.177, pp.66-78Elsevier
摘要:Abstract(#br)The present study is focused on the leaching and recovery of phosphate and Rare Earth Elements (REEs) from the Esfordi phosphate concentrate (Yazd province, Iran), which contains 16.31% P, 37.13% Ca, 2.91% Fe, 3% F, 0.3% Cl, and the TREE content is 1.2%. Cerium, la...
作者:Yukun Huang , Zhihe Dou , Ting-an Zhang ...
来源:[J].Hydrometallurgy(IF 2.169), 2017, Vol.173, pp.15-21Elsevier
摘要:Abstract(#br)The complex leaching kinetics of rare earth elements and fluoride with a HCl-AlCl 3 solution was investigated for the mixed rare earth concentrate after roasting with calcium hydroxide and sodium hydroxide. The effects of HCl concentration, temperature, reaction tim...
作者:Mei Li , Xiao-Wei Zhang , Zhao-Gang Liu ...
来源:[J].Rare Metals(IF 0.493), 2013, Vol.32 (3), pp.312-317Springer
摘要:Abstract(#br)A method of Baotou mixed rare earth concentrate leaching was investigated. According to the principle of complex leaching, the quadratic orthogonal regression experiment was used to investigate effect of six factors. An optimal condition of low energy and enviro...
作者:A.M.T.S. Bandara , G. Senanayake
来源:[J].Hydrometallurgy(IF 2.169), 2018Elsevier
摘要:Abstract(#br)Some rare earth phosphate minerals are associated with fluorapatite (FAP) in phosphate ores which make them a potential source of rare earth elements (REEs), to satisfy the increasing demand of REEs, especially for green energy technology and new energy materials. ...
作者:Mei Li , Dongliang Zhang , Yujun Yan ...
来源:[J].Hydrometallurgy(IF 2.169), 2017, Vol.174, pp.156-166Elsevier
摘要:Abstract(#br)Herein, the phases of mixed rare earth concentrate, oxidative roasted ore, non-oxidative roasted ore, together with their leaching processes and mechanisms, were studied. XRD and SEM-EDS patterns indicate that the phases of the ore roasted in both air and argon atm...
作者:Mei Li , Xiaowei Zhang , Zhaogang Liu ...
来源:[J].Hydrometallurgy(IF 2.169), 2013, Vol.140, pp.71-76Elsevier
摘要:Abstract(#br)A mixed rare earth concentrate from Baotou was adopted to investigate the complex leaching kinetics of fluoride with a HCl–AlCl 3 solution. In addition, we explored the effects of HCl concentration, AlCl 3 concentration, temperature, reaction time, liquid–soli...
作者:M. D. Samsonov , T. I. Trofimov , Yu. M. Kulyako ...
来源:[J].Russian Journal of Physical Chemistry B(IF 0.209), 2016, Vol.10 (7), pp.1078-1084Springer
摘要:Abstract(#br)Supercritical fluid extraction (SCFE) using carbon dioxide containing tributyl phosphate (TBP), di-(2-ethylhexyl)phosphoric acid (D2EHPA) and their adducts with HNO 3 is applied for extraction of rare earth elements (REE), thorium (Th) and uranium (U) from monazite concentrate...
作者:Wu Wenyuan , Bian Xue , Sun Shuchen ...
来源:[J].Journal of Rare Earths(IF 1.363), 2006, Vol.24 (1), pp.23-27Elsevier
摘要:Abstract(#br)The decomposed process of bastnaesite, monazite and mixed rare earth concentrate in CaO-CaOl-CaCl 2 was studied by means of TG-DTA method. The relationship among decomposition ratio, roasting temperature, and CaO-NaCl addition was studied by the quadratic regressio...
作者:Pengfei XING , Feng LI , Jing GUO ...
来源:[J].Journal of Rare Earths(IF 1.363), 2010, Vol.28, pp.194-197Elsevier
摘要:Abstract(#br)Based on the carbothermal reduction technology applied in industry, the dephosphorization behavior of Baotou mixed rare earth concentrate (Baotite) with carbon at high temperature was investigated. The experimental results showed that both the charred coal and t...
作者:S.A. Baldacim , C. Santos , O.M.M. Silva ...
来源:[J].Materials Science & Engineering A(IF 2.108), 2003, Vol.367 (1), pp.312-316Elsevier
摘要:... The use of rare earth concentrate (CRE) as sintering aid in Si 3 N 4 –SiC (w) ceramics composites is a new approach, to obtain silicon nitride based ceramics with good mechanical properties. Using CRE as obtained, makes unnecessary to perform the step of individual rare earth...

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