BASTNAESITE

作品数：38被引量：128H指数：10
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相关领域：冶金工程天文地球更多>>
相关作者：罗瑶边雪尹少华吴文远冯兴亮更多>>
相关机构：东北大学北京有色金属研究总院更多>>
相关期刊：《Science Bulletin》《China Rare Earth Information》《International Journal of Mining Science and Technology》《Transactions of Nonferrous Metals Society of China》更多>>
相关基金：国家自然科学基金国家重点基础研究发展计划更多>>
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In-situ reduction mechanism of hematite by bastnaesite during suspension magnetization roasting
《Transactions of Nonferrous Metals Society of China》2025年第3期965-974,共10页Wen-bo LI Shao-kai CHENG Rui QU Ji-jia CHEN 
the financial support from the National Key R&D Program of China(No.2022YFC2905800);the National Natural Science Foundation of China(Nos.52174242,52130406)。
To explore the spontaneous magnetization of iron-bearing rare earth ores during suspension roasting,binary minerals containing hematite and bastnaesite were used to investigate the effects of the roasting temperature,...
关键词：BASTNAESITE HEMATITE magnetization roasting in-situ reduction 
Enhancement of 2-hydroxy-3-naphthyl hydroxamic acid adsorption on bastnaesite and monazite surfaces using H_(2)O_(2)pre-oxidation for improved flotation process
《International Journal of Mining Science and Technology》2024年第11期1613-1623,共11页Weiwei Wang Zhengyao Li Anhua Zou Kai Gao Weiyao Zhu Shaochun Hou Chunlei Guo Yuanyuan Wang 
financially supported by the National Natural Science Foundation of China(No.52174236);Fundamental Research Funds for the Central Universities(No.FRF-DF-23-001);the Natural Science Foundation of Inner Mongolia of China(Nos.2024MS05061 and 2023LHMS05050)。
Rare earth elements have been widely applied in various sectors.Bastnaesite and monazite are crucial rare earth minerals,and flotation is a vital technique for recovering fine-grained rare earth minerals and separatin...
关键词：BASTNAESITE MONAZITE Flotation H_(2)O_(2) Surface pre-oxidation 
Exploring the mechanism of a novel cationic surfactant in bastnaesite flotation via the integration of DFT calculations,in-situ AFM and electrochemistry被引量：1
《International Journal of Mining Science and Technology》2024年第10期1475-1484,共10页Chang Liu Longhua Xu Jiushuai Deng Zhiguo Han Yi Li Jiahui Wu Jia Tian Donghui Wang Kai Xue Jinmei Fang 
supported by the the National Key R&D Program of China(No.2021YFC2900800);National Natural Science Foundation of China(Nos.52425406,51874247,51922091,and 52204285);the Open Research Fund of State Key Laboratory of Complex Nonferrous Metal Resources Clean Utilization(No.CNMRCUKF2001);Science and Technology Major Project of Ordos City-Iconic Innovation Team and “Rejuvenating Inner Mongolia through Science and Technology”(No.202204/2023);Yueqi Outstanding Scholar Award of CUMTB(No.202022);Funded by Open Foundation of State Key Laboratory of Mineral Processing(No.BGRIMM-KJSKL-2023-05);Fundamental Research Funds for the Central Universities(Ph.D.Top Innovative Talents Fund of CUMT BBJ2024048)。
Effectively separating bastnaesite from calcium-bearing gangue minerals(particularly calcite)presents a formidable challenge,making the development of efficient collectors crucial.To achieve this,we have designed and ...
关键词：Novel cationic surfactant DFT calculation BASTNAESITE ELECTROCHEMISTRY In-situ AFM 
Thermal decomposition mechanism and kinetics of bastnaesite in suspension roasting process:A comparative study in N_(2) and air atmospheres被引量：1
《Journal of Rare Earths》2024年第9期1809-1816,I0006,共9页Wenbo Li Jijia Chen Shaokai Cheng Junyan Sun Xiaolong Zhang 
Project supported by the National Key R&D Program of China (2022YFC2905800);National Natural Science Foundation of China(52174242)。
To investigate the thermal decomposition behavior and reaction kinetics of bastnaesite in suspension roasting,the gas and solid products of bastnaesite roasted in N2 and air atmospheres were examined using a gas analy...
关键词：Rare earths BASTNAESITE Suspension roasting Thermal decomposition mechanism Reaction kinetics 
Utilizing N-hydroxy-9-octadecenamide as a collector in flotation separation of bastnaesite and fluorite被引量：2
《Journal of Rare Earths》2024年第8期1620-1628,I0008,共10页Zhihao Guo Sultan Ahmed Khoso Mengjie Tian Wei Sun 
supported by National Natural Science Foundation of China (52104287,91962223);Hubei Key Laboratory for Efficient Utilisation and Agglomeration of Metallurgic Mineral Resources;Open Foundation of State Key Laboratory of Mineral Processing (BGRIMM-KJSKL-2022-14)。
Bastnaesite((Ce,La,Pr,Nd)CO_(3)F) is a significant light rare earth mineral found in nature,known for its fine-grained properties.Flotation is commonly employed for the recovery of fine-grained bastnaesite particles.C...
关键词：BASTNAESITE COLLECTOR Hydroxamic acids N-hydroxy-9-octadecenamide Oleic acid Rare earths 
Separation of La(Ⅲ),Ce(Ⅳ)and Ca(Ⅱ)from bastnaesite using acidic phosphonic chitosan and rotating disk membrane
《Journal of Rare Earths》2024年第5期995-1000,I0007,共7页Dandan Lu Wenhui Li Linlin Fan Yunren Qiu 
Project supported by the National Natural Science Foundation of China(22178392);the Fundamental Research Funds for the Central Universities of Central South University,China(2022ZZTS0493)。
The separation of rare earths is difficult due to their similar properties and the complex characteristics of associated vein o res.Complexation-ultrafiltration(CUF)and shear induced o rderly dissociation coupling wit...
关键词：BASTNAESITE Rare earths Complexation-ultrafiltration Acidic phosphonic chitosan Rotating disk membrane 
Flotation and adsorption of novel Gemini decyl-bishydroxamic acid on bastnaesite:Experiments and density functional theory calculations被引量：3
《International Journal of Mining Science and Technology》2023年第10期1193-1202,共10页Longhua Xu Chang Liu Jiushuai Deng Donghui Wang Kai Xue Yan Wang Jinping Meng Jiongtian Liu 
the National Key R&D Program of China(No.2021YFC2900800);National Natural Science Foundation of China(Nos.51922091,51874247 and 52204285);Sichuan Science and Technology Program(Nos.2023NSFSC1978 and 2022YFS0455);Open Foundation of State Key Laboratory of Mineral Processing(No.BGRIMM-KJSKL-2023-05).
Rare earth element is an important strategic metal,but the supply of high purity rare earth ores is growing slowly,which is in sharp contradiction with the rapidly growing demand.Froth flotation has been confirmed to ...
关键词：Gemini-hydroxamic acid BASTNAESITE DFT FLOTATION Adsorption mechanism 
Defluorination of bastnaesite by steam roasting process被引量：1
《Journal of Rare Earths》2022年第12期1963-1968,I0006,共7页Shuchen Sun Ying Yang Ganfeng Tu Faxin Xiao 
Project supported by the National Key Research and Development Program of China(2020YFC1907500);the Fundamental Research Funds of the Ministry of Education of China(N2125033)。
The bastnaesite was defluorinated by steam roasting process,and fluorine was removed in the form of hydrogen fluoride to realize the separation from rare earth.The effects of particle size of raw material,roasting tem...
关键词：BASTNAESITE ROASTING Steam decomposition Defluorination reaction Defluorination rate Rare earths 
Surface chemistry considerations of gangue dissolved species in the bastnaesite flotation system被引量：2
《Fundamental Research》2022年第5期748-756,共9页Longhua Xu Zhoujie Wang Kaiqian Shu Houqin Wu Yuehua Hu 
supported by the National Natural Science Foundation of China(Grants No.51922091 and 51874247).
Inefficient flotation of bastnaesite remains a challenge in the production of rare earth elements.This study aimed to investigate the dissolution and adsorption behaviour of species that are commonly released into bas...
关键词：BASTNAESITE Dissolved species FLOTATION ADSORPTION CALCITE 
Effect of bastnaesite as reductant on hematite reduction during in-situ suspension magnetization roasting of refractory iron ore under neutral atmosphere被引量：4
《International Journal of Mining Science and Technology》2022年第4期877-886,共10页Wenbo Li Jijia Chen Wentao Zhou Yuexin Han Yan Shan 
the financial support from the National Natural Science Foundation of China(No.52174242);the Fundamental Research Funds for the Central Universities(No.180115008);the Fund of the Research Fund Program of State Key Laboratory of Rare Metals Separation and Comprehensive Utilization(No.GK-201804)。
The iron tailings of Bayan Obo mines are solid waste,which occupies land area and also causes environmental pollution;however,this waste can be recycled.In this study,based on the characteristics of iron minerals and ...
关键词：Bayan Obo iron tailings In-situ suspension roasting Clean recovery Phase magnetic transformation Kinetics mechanism 
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