• solvent extraction, separation and recovery of indium from iron using d2ehpa

    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1389/07/20
    • تاریخ انتشار در تی پی بین: 1389/07/20
    • تعداد بازدید: 868
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     the present work investigates separation and recovery of indium from sulfuric acid solutions using solvent extraction process. in this study, taguchi method was used in extraction process to optimize effective parameters. indium was extracted from aqueous solution with d2ehpa diluted in kerosene. effects of various parameters such as ph of aqueous solution (phe), d2ehpa concentration (cd2ehpa), time of contact between phases (te), and volume ratio of aqueous phase to organic phase (a/o) were investigated. the optimum extraction conditions were found to be ph= 0.8, cd2ehpa= 30%w, t= 5 min, and a/o=3. indium was selectively stripped from organic phase with sulfuric acid solution as agent of stripping and optimum values of effective parameters were obtained ch2so4=3 m, ts=5 min and o/a=4.

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