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Information Journal Paper

Title

COMPARING OF EXTRACTION AND STRIPPING OF IRON WITH D2EHPA AT SULFATE AND CHLORIDE MEDIA

Pages

  19-25

Keywords

FE (II)Q3
TBPQ3

Abstract

 In this work, EXTRACTION of Fe (II) by bis-2-ethylhexyl phosphoric acid (D2EHPA) and effect of arameters such as pH, temperature, concentration of D2EHPA and TBP are investigated. Based on the experimental results, iron is extracted in higher pH, using equal to or less than 20% Vol D2EHPA in sulfate media. While, using more than 20% Vol D2EHPA in chloride media, iron is extracted in lower pH. Moreover, iron EXTRACTION curves shifte to the left by increasing of D2EHPA concentration. In addition, increasing of the temperature, in chloride media, leaves the iron EXTRACTION curves without any change and brings about shift to the left when iron is extracted in sulfate media. In addition, EXTRACTION of iron is exothermic in both media. Furthermore, increasing of TBP up to 1OV01%lead iron EXTRACTION curves shift to the right about 0.2-0.3 of pH unit. Therefore, iron may be extracted at high pH ranges if conditions such as 20% Vol D2EHPA or less plus 5-10% Vol TBP in media sulfate are chosen. Consequently, iron can be STRIPped easier, using low concentrated acid.

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    APA: Copy

    FALLAHPOUR, A., KESHAVARZ ALAMDARI, E., REZAIEE, B., & NAZARI, K.. (2009). COMPARING OF EXTRACTION AND STRIPPING OF IRON WITH D2EHPA AT SULFATE AND CHLORIDE MEDIA. AMIRKABIR, 20(20-C), 19-25. SID. https://sid.ir/paper/914/en

    Vancouver: Copy

    FALLAHPOUR A., KESHAVARZ ALAMDARI E., REZAIEE B., NAZARI K.. COMPARING OF EXTRACTION AND STRIPPING OF IRON WITH D2EHPA AT SULFATE AND CHLORIDE MEDIA. AMIRKABIR[Internet]. 2009;20(20-C):19-25. Available from: https://sid.ir/paper/914/en

    IEEE: Copy

    A. FALLAHPOUR, E. KESHAVARZ ALAMDARI, B. REZAIEE, and K. NAZARI, “COMPARING OF EXTRACTION AND STRIPPING OF IRON WITH D2EHPA AT SULFATE AND CHLORIDE MEDIA,” AMIRKABIR, vol. 20, no. 20-C, pp. 19–25, 2009, [Online]. Available: https://sid.ir/paper/914/en

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