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Pressure leaching of zinc silicate ore in sulfuric acid medium LI Cun-xiong(李存兄), XU Hong-sheng(徐红胜), DENG Zhi-gan(邓志敢), LI Xing-bin(李兴彬), LI Ming-tin(李旻廷), WEI Chang(魏 昶) Faculty...; Abstract: Zinc silicate ore was characterized mineralogically......
="ChDivSummary"><正>Flotation of indium-beard marmatite from Dulong multi-metallic ore in Yunnan Province of China was studied to improve the grades and recoveries of zinc and indium of the zinc... 10,allowing large savings on lime consumption in the marmatite flotation.In addition,it has been found that a sufficient activated time of activator with ore slurry in the flotation is needed to achieve good......
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Separation of silver from silver-manganese ore with cellulose as reductant ZHANG Xiao-yun(张小云), TIAN Xue-da(田学达), ZHANG Dong-fang(张东方) College of Chemical Engineering, Xiangtan University... silver-manganese ore with a grade of 3.15×10-4 was concentrated by a combined beneficiation technique including magnetic separation, flotation, reducing leaching and gravity desliming. The major silver......
Trans. Nonferrous Met. Soc. China 22(2012) 1203-1208 Anisotropic surface broken bond properties and wettability of calcite and fluorite crystals GAO Zhi-yong, SUN Wei, HU Yue-hua, LIU Xiao-wen... different surfaces of calcite and three surfaces of fluorite were calculated. In terms of the calculated results, the commonly exposed surfaces of the two minerals were predicted and the relations......
Reduction of low-grade manganese oxide ore by biomass roastingJingjing SONG 1,2) , Guocai ZHU 1), Ping ZHANG 2) and Yuna ZHAO 1) 1) Institute of Nuclear and New Energy Technology, Tsinghua University... process of manganese dioxide in low-grade manganese ore by biomass roasting was investigated.The calcine of manganese oxide ore was further leached by sulphuric acid, the manganese in ore can be converted......
] SAMANTA S, MUKHERJEE S, DEY R. Oxidation behaviour and phase characterization of titaniferous magnetite ore of eastern India[J]. Transactions Nonferrous Metals Society of China, 2014, 24(11): 2976-2985. [3... reduction roasting process[J]. Mining and metallurgical engineering, 2014, 34(10): 93-104. [7] STREZOV V, LIU G S, LUCAS J A. Computational calorimetric study of the iron ore reduction reactions in mixtures......
萤石中二氧化硅和氟化钙的系统分析宋新艳1(1.山东省济南市济钢集团有限公司技术监督处 )摘 要:萤石试样以过氧化钠为熔剂,于铁坩埚内进行快速熔融,熔块以含硼酸的热水溶液浸取,盐酸溶解试样,制成母液.以硅钼蓝分光光度法测定二氧化硅含量,以EDTA滴定法测定总钙量,单独测定CaCO3的量用以校正总钙量从而得到CaF2含量.以硼酸消除氟的干扰,以三乙醇胺掩蔽Fe3+,Al3+,并以同品种的标准样品绘作校准曲线和采用标准样品换算的方法对数据进行处理.本方法用于萤石标准样品中SiO2,CaF2的测定,相对标准偏差分别......
J. Cent. South Univ. Technol. (2010) 17: 732-737
DOI: 10.1007/s11771-010-0548-7
Influence of flux additives on iron ore oxidized pellets
FAN Xiao-hui(范晓慧), GAN Min(甘敏), JIANG Tao(姜涛), YUAN Li....
Key words: iron ore; additives; oxidized pellets; compressive strength
Kinetics of Oxidative Dearsenication of Niccolite Ore with Microwave Radiation陶东平,刘纯鹏摘 要:<正> The rate processes of oxidative dearsenicationof niccolite ore in microwave oven and inconventional furnace were measured withthermogravimetric technique.The results show thatthe dearsenication rate of niccolite ore withmicrowave heating becomes faster......Kinetics of Oxidative Dearsenication of Niccolite Ore with Microwave Radiation
来源: 《JOURNAL OF MATERIALS SCIENCE TECHNOLOG1992年第2期》——陶东平 刘纯鹏