Abstract
Copper sulphide CuS was leached by bacteria. Beginning with an initial pH of 9.1, the bacteria acidified the environment and at the same time leached up to 5 g copper per liter. It is characteristic that the pH may sometimes stabilize at 4.0--5.0 and not fall below this value.
MeSH terms
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Biodegradation, Environmental
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Copper / metabolism*
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Culture Media
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Culture Techniques
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Hydrogen-Ion Concentration
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Oxygen Consumption
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Sulfides / metabolism*
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Sulfuric Acids / biosynthesis
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Thiobacillus / metabolism*
Substances
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Culture Media
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Sulfides
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Sulfuric Acids
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Copper