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. Effects of mechanical activation on the reduction behavior of hematite concentrate[J]. International Journal of Mineral Processing, 2007, 82(2): 96?105. [18] 曹琴园, 李 洁, 陈启元. 机械活化对氧化锌矿碱法浸出及其物化性质的影响[J......
conducted for the removal of iron and chromium. Three exercisable processes, i.e. jarosite, goethite and hematite, respectively, are available for the removal of iron from the solution......
cobalt, nickel and manganese into solution. Iron dissolved into the solution is continually precipitated in a form of hematite according to Eqn.(9). It is believed that the processes have significant......
): 1-5.GUO Pei-min, ZHAO Pei, ZHANG Dian-wei. Study on catalytic mechanism of reducing hematite by carbon at low temperature[J]. Iron Steel Vanadium Titanium, 2006, 27(4): 1-5. [15] 张临峰, 郭培民, 赵 沛. 碱金属盐对气基......
causes a topotactic transformation to hematite which occurs via minor modification in the goethite structure [20]. Leaching laterite with various acids was studied by McDONALD and WHITTINGTON [21-22......
, 38(3): 225-234. [11] POURGHAHRAMANI P, ALTIN E, MALLEMBAKAM M R, PEUKERT W, FORSSBERG E. Microstructural characterization of hematite during wet and dry millings using Rietveld and XRD line profile......
University, 2009, 32(5): 582-588. [4] Rodriguez A J, Ionescu D. 委内瑞拉用佩利多生产赤铁矿球团的半工业性试验[J]. 烧结球团, 1989(5): 31-36.Rodriguez A J, Ionescu D. Pilot scale experiments of producing hematite pellets......
. Beneficiation of super microfine low-grade hematite ore by coal-based direct reduction-magnetic concentration process[J]. Journal of Central South University: Science and Technology, 2008, 39(6): 1132-1138. [15......
] LANGOVA S, MATYSEK D. Zinc recovery from steel-making wastes by acid pressure leaching and hematite precipitation[J]. Hydrometallurgy, 2010, 101(3/4): 171-173. [14] 陈永强, 邱定蕃, 王成彦, 尹 飞. 闪锌矿常压富氧浸出[J]. 过程工程学......
) The iron content of the sample was 7.3%, which is typical for minerals such as pyrite, chalcopyrite, hematite, and magnetite. The X-ray fluorescence (XRF) results (Table 3) indicated that the sample......