BIOLEACHING OF LOW-GRADE CHALCOPYRITIC ORE USING THERMOPHILE BACTERIA

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LOTFALIAN MAJID; RANJBAR M.; SHAFIEI MAHIN; DAREH ZERESHKI E.; MANAFI Z.; SEYED BAGHERI S.A.

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Journal: JOURNAL OF SEPARATION SCIENCE AND ENGINEERING Year:2009 | Volume:1 | Issue:1 Page(s): 57-65

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Title

BIOLEACHING OF LOW-GRADE CHALCOPYRITIC ORE USING THERMOPHILE BACTERIA

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Keywords

BIOLEACHINGQ3

THERMOPHILE BACTERIAQ4

LOW-GRADE COPPER AREQ4

CHALCOPYRITEQ2

Abstract

In recent years, bacterial leaching of copper from low grade chalcopyritic ores has been adverted very much. Different parameters such as the type of microorganisms, pH, temperature have a direct or indirect influence on the BIOLEACHING efficiency of sulfide minerals. Therefore, the main objective of this study was to quantify the potential of thermophile microorganisms for copper recovery from low-grade chalcopyritic ores. Using a representative chalcopyritic low grade copper ore from National Iranian Copper Company with a total copper grade of about 0.344% (CuFeS2= 0.78%), and two different THERMOPHILE BACTERIA, several BIOLEACHING tests were conducted. The final results of lab -tests show the potential of extremely thermophiles for BIOLEACHING of copper from this type of low grade ores is higher than moderate thermophiles. At optimum temperature, pH and Fe2+/ Fe3+ ratio, the average copper recovery from low grade ore with extremely them10philes is up to 17% higher than that with moderate thermopiles.

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APA: Copy

LOTFALIAN, MAJID, RANJBAR, M., SHAFIEI, MAHIN, DAREH ZERESHKI, E., MANAFI, Z., & SEYED BAGHERI, S.A.. (2009). BIOLEACHING OF LOW-GRADE CHALCOPYRITIC ORE USING THERMOPHILE BACTERIA. JOURNAL OF SEPARATION SCIENCE AND ENGINEERING, 1(1), 57-65. SID. https://sid.ir/paper/150089/en

Vancouver: Copy

LOTFALIAN MAJID, RANJBAR M., SHAFIEI MAHIN, DAREH ZERESHKI E., MANAFI Z., SEYED BAGHERI S.A.. BIOLEACHING OF LOW-GRADE CHALCOPYRITIC ORE USING THERMOPHILE BACTERIA. JOURNAL OF SEPARATION SCIENCE AND ENGINEERING[Internet]. 2009;1(1):57-65. Available from: https://sid.ir/paper/150089/en

IEEE: Copy

MAJID LOTFALIAN, M. RANJBAR, MAHIN SHAFIEI, E. DAREH ZERESHKI, Z. MANAFI, and S.A. SEYED BAGHERI, “BIOLEACHING OF LOW-GRADE CHALCOPYRITIC ORE USING THERMOPHILE BACTERIA,” JOURNAL OF SEPARATION SCIENCE AND ENGINEERING, vol. 1, no. 1, pp. 57–65, 2009, [Online]. Available: https://sid.ir/paper/150089/en

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