EVALUATION OF DIPHASIC MICROBIAL GOLD EXTRACTION FROM MUTEH SULFIDIC ORE, GOLPAYEGAN

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MEYBODI SEYED MANSOUR; ASGHAR HEIDARI MARYAM; MOBINI MASOUD

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Journal: JOURNAL OF MICROBIAL WORLD Year:2016 | Volume:9 | Issue:3 (28) Page(s): 186-198

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Title

EVALUATION OF DIPHASIC MICROBIAL GOLD EXTRACTION FROM MUTEH SULFIDIC ORE, GOLPAYEGAN

Author(s)

MEYBODI SEYED MANSOUR | ASGHAR HEIDARI MARYAM | MOBINI MASOUD | Issue Writer Certificate

Keywords

DIPHASIC EXTRACTIONQ1

GOLDQ1

SULFIDIC OREQ1

MUTEHQ1

Abstract

Background & Objectives: Since biological methods for metal extraction, such as bioleaching, are environmental friendly, there are high demands to be replaced with the chemical and physical methods. The aim of this study was to extract GOLD from MUTEH sulfide ore by two microbial phases.Materials & Methods: Isolation of iron oxidizing bacteria was performed by adding mineral samples into 9k medium. At the first phase of the mineral bioleaching process, the ores were cut into different diameters, and after adding the rocks to the standard medium (1%), they were assessed after 7 days by x-ray diffraction method to study the existence of sulfide minerals. The cyanide producer bacteria were isolated by growing into TSA solid medium. In the second phase, the materials obtained from first phase were exposed to cyanogen bacteria, and the sediments were investigated by ICP.Results: Based on the results, the isolated bacteria from Sarcheshmeh mining were able to oxidize strongly ferrous and to remove pyrite from ore after 7 days. In the second phase, the isolated bacteria from Tonekabon arable soil could remove GOLD of (0.023 mg/l). The best range of Au recovery was produced in pH 7.Conclusion: The isolated bacteria in this study were able to separate Au in two phases of microbial process, consisting of sulfide mineralization and recovery from aqueous form by cyanide bacteria.

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APA: Copy

MEYBODI, SEYED MANSOUR, ASGHAR HEIDARI, MARYAM, & MOBINI, MASOUD. (2016). EVALUATION OF DIPHASIC MICROBIAL GOLD EXTRACTION FROM MUTEH SULFIDIC ORE, GOLPAYEGAN. JOURNAL OF MICROBIAL WORLD, 9(3 (28)), 186-198. SID. https://sid.ir/paper/189265/en

Vancouver: Copy

MEYBODI SEYED MANSOUR, ASGHAR HEIDARI MARYAM, MOBINI MASOUD. EVALUATION OF DIPHASIC MICROBIAL GOLD EXTRACTION FROM MUTEH SULFIDIC ORE, GOLPAYEGAN. JOURNAL OF MICROBIAL WORLD[Internet]. 2016;9(3 (28)):186-198. Available from: https://sid.ir/paper/189265/en

IEEE: Copy

SEYED MANSOUR MEYBODI, MARYAM ASGHAR HEIDARI, and MASOUD MOBINI, “EVALUATION OF DIPHASIC MICROBIAL GOLD EXTRACTION FROM MUTEH SULFIDIC ORE, GOLPAYEGAN,” JOURNAL OF MICROBIAL WORLD, vol. 9, no. 3 (28), pp. 186–198, 2016, [Online]. Available: https://sid.ir/paper/189265/en

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