ZINC EXTRACTION FROM LOW-GRADE SULPHIDIC ORES BY ACIDITHIOBACILLUS FERROOXIDANS

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SALARI H.; OLIAIE M.S.; TAHMOORESI M.

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Journal: IRANIAN JOURNAL OF BIOLOGY Year:2012 | Volume:25 | Issue:1 Page(s): 130-138

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Information Journal Paper

Title

ZINC EXTRACTION FROM LOW-GRADE SULPHIDIC ORES BY ACIDITHIOBACILLUS FERROOXIDANS

Author(s)

SALARI H. | OLIAIE M.S. | TAHMOORESI M. | Issue Writer Certificate

Keywords

ACIDITHIOBACILLUS FERROOXIDANSQ2

ZINCQ2

BIOLEACHINGQ2

Abstract

ACIDITHIOBACILLUS FERROOXIDANS is the most important microorganism that is primarily associated with the oxidation of sulfide soils. In this study Biological oxidation of sphalerite was carried out using pure cultures of A. ferrooxidans. BIOLEACHING experiments were carried out in 500-ml flasks containing 270 ml of 9K medium and 30 ml of inoculum. 15 g of the minerals were added to the flasks. The flasks were incubated on a shaker at 180 rpm. The result showed that extent of leached Zn2+ with bacteria after 30 days (64.79 %) was significantly higher than that without bacteria (11 %) at the same conditions. Also the results showed that the highest amount of Zn2+ during BIOLEACHING experiments were 64.79 %. The optimum conditions for maximum bacterial leaching showed 30% (w/v) sulphide ores, particle size 45 micron, pH 2.4 and temperature 30oC.These findings are important for applicator BIOLEACHING technology in low-grade ZINC mines.

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References

ISOLATION, PURIFICATION, IDENTIFICATION AND ADAPTATION OF THE MESOPHILIC BACTERIA IN SARCHESHMEH COPPER MINE

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APA: Copy

SALARI, H., OLIAIE, M.S., & TAHMOORESI, M.. (2012). ZINC EXTRACTION FROM LOW-GRADE SULPHIDIC ORES BY ACIDITHIOBACILLUS FERROOXIDANS. IRANIAN JOURNAL OF BIOLOGY, 25(1), 130-138. SID. https://sid.ir/paper/21539/en

Vancouver: Copy

SALARI H., OLIAIE M.S., TAHMOORESI M.. ZINC EXTRACTION FROM LOW-GRADE SULPHIDIC ORES BY ACIDITHIOBACILLUS FERROOXIDANS. IRANIAN JOURNAL OF BIOLOGY[Internet]. 2012;25(1):130-138. Available from: https://sid.ir/paper/21539/en

IEEE: Copy

H. SALARI, M.S. OLIAIE, and M. TAHMOORESI, “ZINC EXTRACTION FROM LOW-GRADE SULPHIDIC ORES BY ACIDITHIOBACILLUS FERROOXIDANS,” IRANIAN JOURNAL OF BIOLOGY, vol. 25, no. 1, pp. 130–138, 2012, [Online]. Available: https://sid.ir/paper/21539/en

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