INVESTIGATION OF THE EFFECTS OF MIXED CULTURES OF MESOPHILE BACTERIA ON THE BIOLEACHING OF SULFIDIC
COPPER ORES WITH DIFFERENT MINERALOGY

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FARSHIDI M.; SHOJA ALSADATI S.A.; SAFFARI M.M.

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Journal: AMIRKABIR Year:2004 | Volume:15 | Issue:58-C Page(s): 423-434

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Information Journal Paper

Title

INVESTIGATION OF THE EFFECTS OF MIXED CULTURES OF MESOPHILE BACTERIA ON THE BIOLEACHING OF SULFIDIC COPPER ORES WITH DIFFERENT MINERALOGY

Author(s)

FARSHIDI M. | SHOJA ALSADATI S.A. | SAFFARI M.M. | Issue Writer Certificate

Keywords

BIOLEACHINGQ4

MIXED CULTUREQ4

SULFIDIC COPPER OREQ4

THIOBACILLUS FERROOXIDANSQ4

MESOPHILE BACTERIAQ4

Abstract

In this research the effect of population ratio in three- membered MIXED CULTUREs consisting of 5 different strains on the BIOLEACHING of SULFIDIC COPPER OREs was evaluated. Three strains were Leptospirillum ferrooxidans DSM2705, Thiobacillus thiooxidans DSM622 and THIOBACILLUS FERROOXIDANS DSM11477, THIOBACILLUS FERROOXIDANS DSM9465 and THIOBACILLUS FERROOXIDANS DSM1927. Each group contains L.f, T.t and one of the T.f strains in 9 different population ratios. Also the role of ferrous ion concentration in related microbial medium on BIOLEACHING rate was investigated. It was found that type of microorganism, population ratio and ferrous ion concentration influence the BIOLEACHING rate. For a low grade copper ore the highest copper recovery was obtained by using a MIXED CULTURE of L.f, T.t, and T.f DSM9465 with the population ratio of 3:5:1 in a medium containing 20 g/L ferrous sulfate. In other experiments, the best results for BIOLEACHING of a chalcopyrite ore was obtained with the same MIXED CULTURE and a MIXED CULTURE containing L.f, T.t and T.f DSM11477 with population ratio of 3:5:1, in medium containing 20 g/L ferrous sulfate. The best result for BIOLEACHING of low grade copper ore was 26% during 17 days while for chalcopyrite ore was 26% during 27 days, which show an increase of 12% and 46% respectively.

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APA: Copy

FARSHIDI, M., SHOJA ALSADATI, S.A., & SAFFARI, M.M.. (2004). INVESTIGATION OF THE EFFECTS OF MIXED CULTURES OF MESOPHILE BACTERIA ON THE BIOLEACHING OF SULFIDIC COPPER ORES WITH DIFFERENT MINERALOGY. AMIRKABIR, 15(58-C), 423-434. SID. https://sid.ir/paper/683/en

Vancouver: Copy

FARSHIDI M., SHOJA ALSADATI S.A., SAFFARI M.M.. INVESTIGATION OF THE EFFECTS OF MIXED CULTURES OF MESOPHILE BACTERIA ON THE BIOLEACHING OF SULFIDIC COPPER ORES WITH DIFFERENT MINERALOGY. AMIRKABIR[Internet]. 2004;15(58-C):423-434. Available from: https://sid.ir/paper/683/en

IEEE: Copy

M. FARSHIDI, S.A. SHOJA ALSADATI, and M.M. SAFFARI, “INVESTIGATION OF THE EFFECTS OF MIXED CULTURES OF MESOPHILE BACTERIA ON THE BIOLEACHING OF SULFIDIC COPPER ORES WITH DIFFERENT MINERALOGY,” AMIRKABIR, vol. 15, no. 58-C, pp. 423–434, 2004, [Online]. Available: https://sid.ir/paper/683/en

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