• interaction between mibc and sodium metasilicate in flotation of slime coal

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    • تاریخ ارائه: 1389/07/20
    • تاریخ انتشار در تی پی بین: 1389/07/20
    • تعداد بازدید: 645
    • تعداد پرسش و پاسخ ها: 0
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     mibc and sodium metasilicate are used as frother and dispersant in coal flotation respectively. it has been found mibc is active not only on the air-water interface but also on the solid-water interface which results in an interaction between mibc and sodium metasilicate. in order to study the interaction, flotation experiments were performed on coal fines (-150μ). the analysis of data showed if the frother (mibc) dosage is excess of a certain limit, it has an activation effect on the gangue minerals associated with coal. in addition, it was found that sodium metasilicate can disperse clay slime and eliminates slime coating phenomenon but in the case of excess dosage, activation effect of mibc can be intensified so that the minerals activation effect became more than the dispersion effect which is undesirable in coal flotation.

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