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کنگره و نمایشگاه بین المللی معدن
جزئیات رویداد
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  • effect of different spargers and operational parameters on gas hold-up in column flotation

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    • تاریخ ارائه: 1389/07/20
    • تاریخ انتشار در تی پی بین: 1389/07/20
    • تعداد بازدید: 706
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     one of the most important parts of a column flotation is sparger which different kinds of it have an essential role on the amount of gas holdup. in this study the effects of spargers and operational parameters were investigated and analyzed. the experimental tests carried out in two phases (watergas) circumstances. for gas holdup measuring in column three presser sensors were used .six factors and five levels were chosen as suitable factors and levels. operational parameters such as gas rate, wash water rate, underflow rate and amount of frother; furthermore, different kinds of frother and sparger were studied. for design of experiments, taguchi method is used and l25 array was selected. gas rate as the first effective parameter has the greatest effect on gas holdup .the type of sparger is recognized as the second effective parameter. different kinds of frother and amount of frother are also the third and fourth effective parameter. it is found that underflow and wash water rate, as the fifth and sixth parameter, had the least effects on gas holdup. regarding the type of spargers, it was shown that filter sparger (fs), sintered glass sparging technology (sjst), porous spargers technology (pst), rubber sparger (rs) and spar jet (sj) had the greatest effect on gas holdup respectively.

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