THE ACTIVITY OF SULPUUR BACTERIA ON SARCHESHMEH COPPER MINE

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SALARI H.; AHMADI MOGHADAM A.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Journal: Journal of Environmental Studies Year:2005 | Volume:31 | Issue:37 Page(s): 27-34

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Title

THE ACTIVITY OF SULPUUR BACTERIA ON SARCHESHMEH COPPER MINE

Author(s)

SALARI H. | AHMADI MOGHADAM A. | Issue Writer Certificate

Keywords

SULPHUR BACTERIAQ4

POLLUTANT AGENTQ4

ELEMENT SULPHURQ4

SARCHESHMEH COPPER MINEQ4

Abstract

To study the ability of chemolithotroph bacteria in extracting copper from Sarcheshmeh copper ore, and also, to separate ELEMENT SULPHUR, which is releasing into the environment as sulphur dioxide pollutant, the activity of two SULPHUR BACTERIA was studied and compared both in single and mixed cultures. Thiobacillus ferrooxidans (TF) and Thiobacillus thiooxidans (TT) were grown on 9K and Imai media respectively and equal amounts of culture solutions of each were added to mine ores containing %0.2, %0.3 and %0.4 copper. After sixty days of experiment, the results of measuring copper amount in the solutions by using atomic absorption spectroscopy showed that TF released more copper than TT and in the mixed culture of two bacteria copper amount was nearly less than those of TF media and significantly more than TT media. ELEMENT SULPHUR released by the activity of the bacteria was extracted by using CS2. The sulphur amounts in mixed and single cultures were significantly different. Sulphuric acid amount produced in the media was calculated based on the pH changes at the beginning and the end of experiment. The amount of the acid varied as the ore concentration changed. Bacteria count showed a positive correlation with copper amount released in the media. However, the number of TF was more than TT and TT+TF in mixed culture.

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APA: Copy

SALARI, H., & AHMADI MOGHADAM, A.. (2005). THE ACTIVITY OF SULPUUR BACTERIA ON SARCHESHMEH COPPER MINE. JOURNAL OF ENVIRONMENTAL STUDIES, 31(37), 27-34. SID. https://sid.ir/paper/3152/en

Vancouver: Copy

SALARI H., AHMADI MOGHADAM A.. THE ACTIVITY OF SULPUUR BACTERIA ON SARCHESHMEH COPPER MINE. JOURNAL OF ENVIRONMENTAL STUDIES[Internet]. 2005;31(37):27-34. Available from: https://sid.ir/paper/3152/en

IEEE: Copy

H. SALARI, and A. AHMADI MOGHADAM, “THE ACTIVITY OF SULPUUR BACTERIA ON SARCHESHMEH COPPER MINE,” JOURNAL OF ENVIRONMENTAL STUDIES, vol. 31, no. 37, pp. 27–34, 2005, [Online]. Available: https://sid.ir/paper/3152/en

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