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作者为研究微粒浮选而解决粒度对浮选分离的影响进行了人工制备的混合试样的分离试验。试样用巴西产的高品位赤铁矿(含Fe_2O_397.4％)与日本福岛县白岩地方产的SiO_2(含量99.8％)混合粉碎,进行湿磨,筛成粗粒(149～210微米)、中粒(44～53微米),并用水析法得到细粒(-10微米)。对试样进
In order to study the effect of particle size on flotation separation in order to study particle flotation, a man-made mixed sample separation experiment was carried out. The sample was mixed and ground with high grade hematite (containing Fe_2O_3 47.4%) produced in Brazil and SiO_2 (content 99.8%) produced in BaiYan, Fukushima, Japan. The sample was wet ground and sieved into coarse grains (149-210 μm) , Medium sized (44-53 microns), and water soluble (-10 microns). The sample into