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Effect of sodium carbonate addition on carbothermic reduction of ilmenite concentrate被引量：2: 《Transactions of Nonferrous Metals Society of China》2022年第3期1010-1018,共9页Xiao-dong LÜ Dan CHEN Yun-tao XIN Wei LÜ Xue-wei LÜ; supported by the National Natural Science Foundation of China (No. U1902217)。; The enhanced reduction mechanism and kinetics of different Na_(2)CO_(3) additions in the carbothermic reduction of ilmenite concentrate were investigated.The reduction process was carried out at different heating rate...; 关键词：ilmenite concentrate non-isothermal kinetics reduction mechanism apparent activation energy

Selective depression mechanism of combination of lime and sodium humate on arsenopyrite in flotation separation of Zn-As bulk concentrate被引量：5: 《Transactions of Nonferrous Metals Society of China》2022年第2期668-681,共14页Qian WEI Liu-yang DONG Cong-ren YANG Xue-duan LIU Fen JIAO Wen-qing QIN; the National Natural Science Foundation of China(Nos.51974364,51904339,52074355);the 13th Five-Year National Key R&D Program of China(No.2020YFC1909203)。; Lime(CaO)and sodium humate(NaHA)were used as the combined depressant for arsenopyrite pre-treated by CuSO_(4) and butyl xanthate.Micro-flotation tests show that the combined depressant CaO and NaHA achieved the select...; 关键词：SPHALERITE ARSENOPYRITE Zn−As bulk concentrate flotation separation LIME sodium humate

Thermodynamic simulation of complex Pb-Bi concentrate oxidative bath smelting process被引量：4: 《Transactions of Nonferrous Metals Society of China》2021年第4期1165-1174,共10页Lin CHEN Peng CHEN Du-chao ZHANG Wei-feng LIU Tian-zu YANG; financial supports from the National Key R&D Program of China (2018YFC1901604);the Natural Science Foundation of Hunan Province,China (2018JJ3662);the China Scholarship Council (201706375005);the China Postdoctoral Science Foundation (2018M632988)。; The element partitioning in a Pb-Bi concentrate oxygen-rich bath smelting process was studied using thermodynamic equilibrium simulation method. Effects of oxygen to feed ratio(OFR) and sulfur dioxide partial pressure...; 关键词：complex Pb-Bi concentrate oxygen-rich bath smelting multiphase equilibrium simulation element partitioning process parameter optimization

Efficient enrichment of nickel and iron in laterite nickel ore by deep reduction and magnetic separation被引量：20: 《Transactions of Nonferrous Metals Society of China》2020年第3期812-822,共11页Shuai YUAN Wen-tao ZHOU Yan-jun LI Yue-xin HAN; Projects(51904058,51734005)supported by the National Natural Science Foundation of China;Project(2018YFC1901901902)supported by the National Key Research and Development Program of China; The process of deep reduction and magnetic separation was proposed to enrich nickel and iron from laterite nickel ores.Results show that nickel-iron concentrates with nickel grade of 6.96%,nickel recovery of 94.06%,ir...; 关键词：laterite nickel ore deep reduction magnetic separation nickel-iron concentrate reduction mechanism

Effect of Fe/SiO2 and CaO/SiO2 mass ratios on metal recovery rate and metal content in slag in oxygen-enriched direct smelting of jamesonite concentrate被引量：6: 《Transactions of Nonferrous Metals Society of China》2020年第2期501-508,共8页Zhong-tang ZHANG Xi DAI; Project(51474248)supported by the National Natural Science Foundation of China; The oxygen-enriched direct smelting of jamesonite concentrate was carried out at 1250℃by changing the slag composition.The effects of Fe/SiO2 and Ca O/SiO2 mass ratios on the metal recovery rate as well as metal cont...; 关键词：jamesonite concentrate metallurgical process intensification slag type PYROMETALLURGY oxygen-enriched direct smelting

Microbial oxidation of refractory gold sulfide concentrate by a native consortium被引量：4: 《Transactions of Nonferrous Metals Society of China》2017年第5期1143-1149,共7页N. MARCHEVSKY M. M. BARROSO QUIROGA A. GIAVENO E. DONATI; supported by PIP 0368 from CONICET and PICT 0630 and 0623 from ANPCyT; A defined mesophilic consortium including an iron oxidizing bacterium and a sulfur oxidizing bacterium was constructed to evaluate its ability for bioleaching a flotation concentrate from Andacollo mine in Neuquén,Ar...; 关键词：BIOOXIDATION refractory gold concentrate native consortium kinetic analysis

Bio-desilication of rutile concentrate and analysis of community structure in bio-desilication reactor被引量：2: 《Transactions of Nonferrous Metals Society of China》2015年第7期2398-2406,共9页宋翔宇邱冠周王海东谢建平徐靖王娟; Project(2011-622-40)supported by the Mineral Exploration Foundation of Henan Province,China;Project(51104189)supported by the National Natural Science Foundation of China;Project(2013M531814)supported by the 53rd China Postdoctoral Science Foundation; The original strain HY-7 was isolated from the bauxite mine drainage（BMD） taken from a reservoir in Sanmenxia Mine,Henan Province,China.The optimum temperature and pH for the growth of strain HY-7 were 30 ℃ and 7.0...; 关键词：bio-desilication rutile concentrate silicate bacteria UV mutagenesis community structure

Separation and enrichment of elemental sulfur and mercury from hydrometallurgical zinc residue using sodium sulfide被引量：2: 《Transactions of Nonferrous Metals Society of China》2015年第2期640-646,共7页王子阳蔡晓兰张泽彪张利波王仕兴彭金辉; The separation and enrichment of mercury and the recovery of elemental sulfur from flotation sulfur concentrate in zinc pressure leaching process were carried out by sodium sulfide leaching and carbon dioxide precipit...; 关键词：flotation sulfur concentrate sodium sulfide leaching carbon dioxide precipitating mercury enrichment elemental sulfurrecovery

Copper,zinc,and iron bioleaching from polymetallic sulphide concentrate被引量：5: 《Transactions of Nonferrous Metals Society of China》2014年第11期3688-3695,共8页Vesna T.CONIC Mirjana M.RAJCIC VUJASINOVIC Vlastimir K.TRUJIC Vladimir B.CVETKOVSKI; the results of a project approved and funded by the Ministry of Education,Science and Technology Development of the Republic of Serbia(Project Nos.TR 34004 and TR 34024);the EU FP6 BioMinE project by Bioclear,the Netherlands(European project contract NMP2-CT-2005-500329-1); Bioleaching of low-grade complex Cu–Zn–Pb–Fe–Ag–Au sulphide concentrate (of Majdanpek ore body, RTB Bor, Serbia) was carried out in an aerated bioleach reactor in the presence of mesophil...; 关键词：BIOLEACHING polymetallic sulphide concentrate MESOPHILES Acidithiobacillus ferrooxidans

Solid-state reduction kinetics and mechanism of pre-oxidized vanadium-titanium magnetite concentrate被引量：11: 《Transactions of Nonferrous Metals Society of China》2014年第10期3372-3377,共6页刘水石郭宇峰邱冠周姜涛陈凤; Project(NCET-10-0834)supported by the Program for New Century Excellent Talents in University,China; The solid-state reduction kinetics of pre-oxidized vanadium-titanium magnetite concentrate was studied. The phase and microstructure of the reduction product were characterized by XRD, SEM and EDS methods, based on wh...; 关键词：vanadium-titanium magnetite solid-state reduction reduction kinetics reduction process

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