HEMIMORPHITE

作品数:9被引量:14H指数:3
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相关领域:天文地球更多>>
相关作者:陈启元刘志雄熊利芝尹周澜张平民更多>>
相关机构:中南大学吉首大学更多>>
相关期刊:《International Journal of Minerals,Metallurgy and Materials》《Transactions of Nonferrous Metals Society of China》《Geoscience Frontiers》《Green and Smart Mining Engineering》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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A novel sulfidization system for enhancing hemimorphite flotation through Cu/Pb binary metal ions
《International Journal of Mining Science and Technology》2024年第12期1741-1752,共12页Qicheng Feng Yingchao Zhang Ga Zhang Guang Han Wenjuan Zhao 
supported by National Natural Science Foundation of China(Nos.52304291 and 52264026);Yunnan Fundamental Research Projects(No.202301AW070018).
The low reactivity of hemimorphite surfaces hinders the effective action of sulfidizing agents and xanthate,resulting in unsatisfactory flotation performance.To enhance the surface reactivity of hemi-morphite with sul...
关键词:HEMIMORPHITE Enhanced sulfidization Cu/Pb binary metal ions FLOTATION 
Efficient flotation separation of lead-zinc oxide ores using mineral sulfidation reconstruction technology:A review被引量:1
《Green and Smart Mining Engineering》2024年第2期175-189,共15页Yuangan Chen Yongsheng Sun Yuexin Han 
financially supported by the National Natural Science Foundation of China (No.52374260)。
Oxidized lead and zinc resources have been underutilized for a long time.With the rapid depletion of the lead-zinc sulfide ores,there is an urgent need to increase the efficient utilization of lead-zinc oxide ores.Flo...
关键词:Cerussite SMITHSONITE HEMIMORPHITE SULFIDATION Mineral phase reconstruction FLOTATION 
Effect of ammonium sulfate on the formation of zinc sulfide species on hemimorphite surface and its role in sulfidation flotation被引量:1
《International Journal of Minerals,Metallurgy and Materials》2023年第11期2147-2156,共10页Xi Zhang Yu Wang Jiushuai Deng Zhongyi Bai Hongxiang Xu Qingfeng Meng Da Jin Zhenwu Sun 
Fundamental Research Funds for the Central Universities(No.2023YQTD03,2022JCCX HH09,2022YJSHH01);the Yueqi Outstanding Scholaraward of China University of Mining&Technology(Beijing);the National Natural Science Foundation of China(No.52274283);the National Key R&D Program of China(No.SQ2022YFC2900065);the Ordos Science&Technology Plan(No.202204&2023XM06);the Open Research Fund of State Key Laboratory of Complex Nonferrous Metal Resources Clean Utilization(No.CNMRCUKF 2107)。
Effectively strengthening the surface sulfidation is essential for recovering hemimorphite by froth flotation.In this work,inductively coupled plasma optical emission spectrometer(ICP-OES)measurements,Visual MINTEQ ca...
关键词:HEMIMORPHITE SULFIDATION ammonium sulfate zinc sulfide species ADSORPTION FLOTATION 
Adsorption characteristics of Pb(Ⅱ)ions on sulfidized hemimorphite surface under ammonium sulfate system被引量:3
《International Journal of Mining Science and Technology》2023年第4期511-518,共8页Xi Zhang Jiushuai Deng Yu Wang Sihao Li Honghui Zhao Chang Liu Zhitao Ma Zhenwu Sun 
the Fundamental Research Funds for the Central Universities(Nos.2022JCCXHH09 and 2022YJSHH01);the Yueqi Outstanding Scholar award of CUMTB;the National Key R&D Program of China(No.SQ2022YFC2900065);the Ordos Science&Technology Plan(No.202204);the National Natural Science Foundation of China(No.52274283);the Open Research Fund of State Key Laboratory of Complex Nonferrous Metal Resources Clean Utilization(No.CNMRCUKF2107)。
In this work,the effect of ammonium sulfate on the adsorption characteristics of low-concentration Pb(Ⅱ)ions on the sulfidized hemimorphite surface was comprehensively investigated.The results showed that ammonium su...
关键词:HEMIMORPHITE Sulfidation flotation Ammonium sulfate Pb(II)ions Adsorption characteristics 
Improved hemimorphite flotation using xanthate as a collector with S(Ⅱ) and Pb(Ⅱ) activation被引量:3
《International Journal of Minerals,Metallurgy and Materials》2018年第8期849-860,共12页Kai Jia Qi-ming Feng Guo-fan Zhang Qing Shi Yuan-jia Luo Chang-bin Li 
financially supported by the State Key Development Program for Basic Research of China (No.2014CB643402);the Collaborative Innovation Center for Clean and Efficient Utilization of Strategic Metal Mineral Resources of Central South University
The flotation of hemimorphite using the S(Ⅱ)–Pb(Ⅱ)–xanthate process,which includes sulfidization with sodium sulfide,activation by lead cations,and subsequent flotation with xanthate,was investigated.The flotation...
关键词:HEMIMORPHITE sulfidization lead ion ACTIVATION XANTHATE ZETA potential DRIFTS 
A review of major non-sulfide zinc deposits in Iran被引量:4
《Geoscience Frontiers》2018年第1期249-272,共24页Sajjad Maghfouri Mohammad Reza Hosseinzadeh Abdorrahman Rajabi Flavien Choulet 
The numerous non-sulfide zinc ore deposits were the historical basis for the development of zinc mining in Iran.They include the Mehdiabad,Irankouh and Angouran world-class deposits,as well as the Zarigan and Haft-har...
关键词:Zinc-lead deposits Supergene Non-sulfide Zn minerals HEMIMORPHITE SMITHSONITE HYDROZINCITE 
Dissolution mechanism and solubility of hemimorphite in NH_3-(NH_4)_2SO_4-H_2O system at 298.15 K
《Journal of Central South University》2014年第3期884-890,共7页李琴香 陈启元 胡慧萍 
Projects(511340071) supported by the National Natural Science Foundation of China
The dissolution mechanism of hemimorphite in NH3-(NH4)2SO4-H2O system at 298.15 K was investigated by X-ray powder diffraction (XRD), scanning electron microscopy (SEM), Fourier transform infrared spectroscopy ...
关键词:HEMIMORPHITE ammoniacal solution dissolution mechanism SOLUBILITY 
Solubility of hemimorphite in ammonium sulfate solution at 25 °C被引量:1
《Transactions of Nonferrous Metals Society of China》2013年第7期2160-2165,共6页李琴香 胡慧萍 曾德文 陈启元 
Foundation item:Project(2007CB613601)supported by the National Basic Research and Development Program of China;Project(511340071)supported by the National Natural Science Foundation of China
The solubility of natural hemimorphite in ammonium sulfate solution was measured by isothermal solution method at 25 °C and the dissolved residue of hemimorphite was investigated by X-ray powder diffraction (XRD), ...
关键词:HEMIMORPHITE ammonium sulfate silicic acid SOLUBILITY 
Preparation of metal zinc from hemimorphite by vacuum carbothermic reduction with CaF_2 as catalyst被引量:3
《Transactions of Nonferrous Metals Society of China》2012年第3期694-699,共6页熊利芝 陈启元 尹周澜 张平民 丁治英 刘志雄 
Project(2007CB613601) supported by the National Basic Research Program of China;Project(51142001) supported the National Natural Science Foundation of China;Project(11B099) supported the Scientific Research Fund of the Human Provincial Education Department, China;Project(2011TT2038) supported the Scientific Research Fund of the Human Provincial Scientific and Technological Department, China
Zn reduction was investigated by the vacuum carbothermic reduction of hemimorphite with or without CaF2 as catalyst.Results indicate that CaF2 can catalyze the carbothermic reduction of zinc silicate,decrease the reac...
关键词:metal zinc calcium fluoride CATALYSIS carbothermic reduction HEMIMORPHITE 
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