CHALCOCITE

作品数：16被引量：60H指数：5
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Effect of hydrogen peroxide on selective flotation of chalcocite and enargite被引量：1
《International Journal of Mining Science and Technology》2023年第6期703-716,共14页Gde Pandhe Wisnu Suyantara Daniyarov Berdakh Hajime Miki Tsuyoshi Hirajima Keiko Sasaki Daishi Ochi Yuji Aoki 
Sumitomo Metal Mining Co.,Ltd.,Japan International Cooperation Agency(JICA),and a Grant-inAid for Science Research(JSPS KAKENHI)from the Japan Society for the Promotion of Science(JSPS)(Nos.JP22K14636,JP22H00310 and JP19H02659);This work was partly supported by Advanced Research Infrastructure for Materials and Nanotechnology(No.JPMXP1222KU1009)in Japan sponsored by the Ministry of Education,Culture,Sports,Science and Technology(MEXT),Japan.
Enargite is typically associated with chalcocite.Owing to the similarity in the flotation behaviors of these minerals,both minerals are reported to concentrate in the conventional flotation circuit.However,inorganic a...
关键词：ENARGITE CHALCOCITE Hydrogen peroxide Potassium amyl xanthate Selective flotation 
Chalcocite(bio)hydrometallurgy-current state,mechanism,and future directions:A review被引量：2
《Chinese Journal of Chemical Engineering》2022年第1期109-120,共12页Shichao Yu Rui Liao Baojun Yang Chaojun Fang Zhentang Wang Yuling Liu Baiqiang Wu Jun Wang Guanzhou Qiu 
supported by the National Natural Science Foundation of China(U1932129,51774332,51934009 and 52004086);Natural Science Foundation of Hunan Province(No.2018JJ1041),Fundamental Research Funds for the Central Universities of Central South University(Nos.2021zzts0301 and 2021zzts0299)。
There has been a strong interest in technologies suited for mining and processing of low-grade ores because of the rapid depletion of mineral resources in the world.In most cases,the extraction of copper from such raw...
关键词：CHALCOCITE BIOLEACHING Heap leaching KINETICS Copper sulfides HYDROMETALLURGY 
Bioleaching and dissolution kinetics of pyrite,chalcocite and covellite被引量：7
《Journal of Central South University》2021年第7期2037-2051,共15页SHANG He GAO Wen-cheng WU Biao WEN Jian-kang 
Project(51574036)supported by the National Natural Science Foundation of China。
In this work,the bioleaching process of pyrite,chalcocite and covellite which were the main phase compositions for Zijin copper mineral was comprehensively studied.The influence parameters,such as leaching temperature...
关键词：PYRITE CHALCOCITE COVELLITE BIOLEACHING KINETICS 
Mechanism of sodium sulfide on flotation of cyanide-depressed pyrite被引量：9
《Transactions of Nonferrous Metals Society of China》2020年第2期484-491,共8页Zhao CAO Peng WANG Wen-bo ZHANG Xiao-bo ZENG Yong-dan CAO 
Project(51764045)supported by the National Natural Science Foundation of China;Project(NJYT-18-B08)supported by Inner Mongolia Young Science&Technology Talent Support Plan,China;Project(GK-201804)supported by Research Fund Program of State Key Laboratory of Rare Metals Separation and Comprehensive Utilization,China;Project(DD20190574)supported by China Geological Survey Project
The mechanism of sodium sulfide(Na2S)on the flotation of cyanide-depressed pyrite using potassium amyl xanthate(PAX)as collector was investigated by flotation test and electrochemical measurements.The flotation result...
关键词：PYRITE CHALCOCITE FLOTATION CYANIDE DEPRESSION sodium sulfide 
Sustainable copper extraction from mixed chalcopyrite–chalcocite using biomass被引量：3
《Transactions of Nonferrous Metals Society of China》2019年第10期2170-2182,共13页David Lukumu BAMPOLE Patricia LUIS Antoine. F. MULABA-BAFUBIANDI 
This paper elaborated on the sustainability of the copper extraction process. In fact, an alternative copper extraction route from mixed sulphide ores, chalcopyrite and chalcocite using mesophilic biomass consortium a...
关键词：sustainable copper extraction mixed chalcopyrite-chalcocite copper speciation ferric leaching mesophilic bioleaching mechanism redox potential 
Leaching of chalcopyrite: An emphasis on effect of copper and iron ions被引量：5
《Journal of Central South University》2018年第10期2380-2386,共7页YANG Cong-ren JIAO Fen QIN Wen-qing 
Project(2016RS2016)supported by the Hunan Provincial Science and Technology Leader(Innovation Team of Interface Chemistry of Efficient and Clean Utilization of Complex Mineral Resources),China;Project supported by the Co-Innovation Centre for Clean and Efficient Utilization of Strategic Metal Mineral Resources,China;Project(2015CX005)supported by the Innovation Driven Plan of Central South University,China
Many researchers found that the Fe2+together with less amount of Cu2+can accelerate the leaching of chalcopyrite.In this work,the leaching of chalcopyrite with Cu2+was investigated.The leaching residuals were examined...
关键词：CHALCOPYRITE COVELLITE CHALCOCITE LEACHING redox potential 
Linking leach chemistry and microbiology of low-grade copper ore bioleaching at different temperatures被引量：5
《International Journal of Minerals,Metallurgy and Materials》2018年第3期271-279,共9页Yan Jia He-yun Sun Qiao-yi Tan Hong-shan Gao Xing-liang Feng Ren-man Ruan 
financially supported by the National Natural Science Foundation of China (Nos. 41401541, 51674231, and 51474075);Bureau of International Co-operation, Chinese Academy of Sciences (122111KYSB20150013)
The effects of temperature on chalcocite/pyrite oxidation and the microbial population in the bioleaching columns of a low-grade chalcocite ore were investigated in this study. Raffinate from the industrial bioleachin...
关键词：BIOLEACHING CHALCOCITE DISSOLUTION microbial community PYRITE DISSOLUTION temperature 
Mechanism study on flotation separation of molybdenite from chalcocite using thioglycollic acid as depressant被引量：8
《International Journal of Mining Science and Technology》2017年第6期1043-1049,共7页Qin Wenqing Wu Jiajia Jiao Fen Zeng Jinming 
provided by the National Natural Science Foundation of China(No.51274255);the Innovation Driven Plan of Central South University(No.2015CX005);the Postdoctoral Research Station of Central South University;Co-Innovation Centre for Clean and Efficient Utilization of Strategic Metal Mineral Resources
Effects of collectors(butyl xanthate(BX), O-isopropyl-N-sulfur ethyl carbamate(Z-200) and emulsified kerosene), dereagent(sodium sulfide) and depressant thioglycollic acid(TGA) on the flotation of chalcocite and molyb...
关键词：CHALCOCITE MOLYBDENITE Thioglycollic ACID FLOTATION FIRST-PRINCIPLES STUDY 
Effect of CO_2 and N_2 on microbial community changes during column bioleaching of low-grade high pyrite-bearing chalcocite ore被引量：4
《Journal of Central South University》2015年第12期4528-4535,共8页陈勃伟 武彪 刘兴宇 温建康 
Project(51404033)supported by the National Natural Science Foundation of China;Project(2010CB630905)supported by the National Basic Research Program of China
Simulated heap bioleaching of low-grade high pyrite-bearing chalcocite ore was conducted at 40 °C with aeration of CO_2 and N_2.Ore samples were collected at day 43,64,85,106 and subjected to microbial community anal...
关键词：BIOLEACHING CO2 N2 CHALCOCITE PYRITE microbial community 
Control of redox potential by oxygen limitation in selective bioleaching of chalcocite and pyrite被引量：8
《Rare Metals》2014年第5期622-627,共6页Biao Wu Jian-Kang Wen Bo-Wei Chen Guo-Cheng Yao Dian-Zuo Wang 
financially supported by the National Natural Science Foundation of China (No.50934002);the National Basic Research Program of China (No.2010CB630905);the National High Technology Research and Development Program of China (No.2012AA060502)
Based on the bioleaching mechanism and electrochemical studies of metal sulfides, the dissolution rates of chalcocite and pyrite are controlled by redox potentials. Experiment on the bioleaching of chalcocite and pyri...
关键词：PYRITE CHALCOCITE BIOLEACHING Redox potential Oxygen limitation 
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