THERMODYNAMICS OF EXTRACTION OF ZN2+ FROM SULFURIC ACID MEDIA WITH A MIXTURE OF DEHPA AND MEHPA

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SADR NEJAD S.KH.; KESHAVARZ ALAMDARI E.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

Journal Paper

Paper Information

Journal: INTERNATIONAL JOURNAL OF ENGINEERING Year:2004 | Volume:17 | Issue:2 (TRANSACTIONS B: APPLICATIONS) Page(s): 191-202

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Information Journal Paper

Title

THERMODYNAMICS OF EXTRACTION OF ZN2+ FROM SULFURIC ACID MEDIA WITH A MIXTURE OF DEHPA AND MEHPA

Author(s)

SADR NEJAD S.KH. | KESHAVARZ ALAMDARI E. | Issue Writer Certificate

Keywords

SOLVENT EXTRACTION

ZINC

DEHPA

MEHPA

THERMODYNAMICS

EXTRACTION MECHANISM

Abstract

Thermodynamics of extraction of Zn2+ from sulfuric acid media contacting to a mixture of DEHPA and MEHPA diluted with 80 wt% aromatic - aliphatic kerosene with a constant DEHPA to MEHPA ratio is investigated at different acidities, concentrations and temperatures. As a result, the extraction reaction is found to be endothermic with a ZINC distribution factor that increases with increasing of the temperature, acidity of the solution and the concentration of the extractant. The mechanism of the extraction reaction is shown to be different for pH>1 with that at pH<1. The pH of the aqueous media has also an important influence on progressing of the extraction reaction.

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APA: Copy

SADR NEJAD, S.KH., & KESHAVARZ ALAMDARI, E.. (2004). THERMODYNAMICS OF EXTRACTION OF ZN2+ FROM SULFURIC ACID MEDIA WITH A MIXTURE OF DEHPA AND MEHPA. INTERNATIONAL JOURNAL OF ENGINEERING, 17(2 (TRANSACTIONS B: APPLICATIONS)), 191-202. SID. https://sid.ir/paper/355380/en

Vancouver: Copy

SADR NEJAD S.KH., KESHAVARZ ALAMDARI E.. THERMODYNAMICS OF EXTRACTION OF ZN2+ FROM SULFURIC ACID MEDIA WITH A MIXTURE OF DEHPA AND MEHPA. INTERNATIONAL JOURNAL OF ENGINEERING[Internet]. 2004;17(2 (TRANSACTIONS B: APPLICATIONS)):191-202. Available from: https://sid.ir/paper/355380/en

IEEE: Copy

S.KH. SADR NEJAD, and E. KESHAVARZ ALAMDARI, “THERMODYNAMICS OF EXTRACTION OF ZN2+ FROM SULFURIC ACID MEDIA WITH A MIXTURE OF DEHPA AND MEHPA,” INTERNATIONAL JOURNAL OF ENGINEERING, vol. 17, no. 2 (TRANSACTIONS B: APPLICATIONS), pp. 191–202, 2004, [Online]. Available: https://sid.ir/paper/355380/en

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