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BENEFICIATION OF INDIAN IRON ORE SLIME AND FINES: EFFECT OF SURFACE-ACTIVE AGENT AND SPECIFIC ION EFFECTS

机译:印度铁矿浆和细粉的增生作用:表面活性剂的作用和特定的离子作用

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摘要

The suspension stability in 10 % slurry of iron ore fines and slime was studied by using three surface-active agents at pH 8. The Al_2O/Fe and Al_2O_3/SiO_2 ratios in the concentrates are appreciably reduced at the isoelectric point of hematite. The surface-active agent removes and disperses gangue minerals. The hard-water flocculates particles in the dispersed phase and generates roughly clear water for reuse. The specific ion effects in the pH variation have been observed in the hematite suspension.
机译:通过在pH 8下使用三种表面活性剂研究了10%的铁矿粉和煤泥浆液的悬浮稳定性。在赤铁矿的等电点,精矿中的Al_2O / Fe和Al_2O_3 / SiO_2比值显着降低。表面活性剂去除并分散脉石矿物。硬水使分散相中的颗粒絮凝,并产生大致清澈的水,可重复使用。在赤铁矿悬浮液中观察到了pH变化中的特定离子效应。

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  • 来源
    《Science and Culture》 |2011年第12期|p.486-491|共6页
  • 作者单位

    Materials Science Division, CSIR-North-East Institute of Science & Technology, Jorhat-785006, Assam, India;

    Materials Science Division, CSIR-North-East Institute of Science & Technology, Jorhat-785006, Assam, India;

    Materials Science Division, CSIR-North-East Institute of Science & Technology, Jorhat-785006, Assam, India;

    Materials Science Division, CSIR-North-East Institute of Science & Technology, Jorhat-785006, Assam, India;

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