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:Jiang Liu , Ting-an Zhang , Zhihe Dou ...
来源:[J].Hydrometallurgy(IF 2.169), 2019, Vol.189Elsevier
摘要:Abstract(#br)This paper describes mechanochemical decomposition of the mixed rare earth concentrate (mixed concentrate) in the NaOH-CaO-H 2 O system. Phase transformation and effects of NaOH, CaO and time on mechanochemical decomposition of mixed concentrate were investigated. We...
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:Xi Lan , Jintao Gao , Yu Du ...
来源:[J].Minerals Engineering(IF 1.207), 2019, Vol.133, pp.27-34Elsevier
摘要:Abstract(#br)The Bayan Obo rare-earth concentrate was obtained through mineral processing and massively disposed at the tailing dams. For efficient extraction of the rare earth elements (REEs) from the rare-earth concentrate, a novel approach was proposed to selectively enrich a...
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:Yukun Huang , Ting′an Zhang , Zhihe Dou ...
来源:[J].Journal of Rare Earths(IF 1.363), 2019, Vol.37 (5), pp.541-546Elsevier
摘要:Abstract(#br)The potential application of microwave heating technology for processing the mixed rare earth concentrate was systematically investigated by analyzing the microwave absorption characteristics in this study. The complex permittivity was measured through resonant cav...
作者:Yukun Huang , Ting-an Zhang , Zhihe Dou ...
来源:[J].Minerals Engineering(IF 1.207), 2019, Vol.132, pp.220-227Elsevier
摘要:Abstract(#br)In this paper, a novel process is proposed for extracting rare earth elements through intensifying the decomposition of mixed rare earth concentrates by microwave heating. The objective of the present study was to investigate the phase transition mechanism of a mixed...
作者:Faraz Soltani , Mahmoud Abdollahy , Jochen Petersen ...
来源:[J].Hydrometallurgy(IF 2.169), 2019, Vol.184, pp.29-38Elsevier
摘要:Abstract(#br)Apatite concentrate is an important source of phosphate and contains significant amounts of rare earth elements (REEs). In this study, the possibility of selective phosphoric acid leaching of phosphate and calcium from the Esfordi (Yazd province, Iran) apatite concentrate...
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...

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