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Title

SOLVENT EXTRACTION OF ZINC FROM ACIDIC SOLUTION OBTAINED FROM COLD PURIFICATION FILTER CAKE OF ANGOURAN MINE CONCENTRATE USING D2EHPA

Pages

 Start Page 43 | End Page 47

Abstract

 Filter cakes obtained in the conventional acid leaching of zinc concentrate are considered a major secondary source for zinc. Solvent extraction may be utilized for the selective separation of zinc from other elements in hydrometallurgical processing of such resources. In the present work, extraction of zinc from the solution obtained from sulfuric acid leaching of cold PURIFICATION FILTER CAKE of Angouran concentrate were performed by using D2EHPA as the extractant. The effects of extractant concentration diluted in Kerosene, solution pH and phase ratio (O: A) were investigated and their optimized values were obtained to be 40 vol%, 2.5-3 and 4: 1, respectively. Under these conditions, 98.8% of Zn could be extracted.

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