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Bacterial and chemical leaching pattern on copper ores of sandstone and limestone type (1993)

Ostrowski, M. ; Skłodowska, A.

Springer

World journal of microbiology and biotechnology 9 (1993), S. 328-331

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ISSN: 1573-0972

Keywords: Biological film ; leaching pattern ; Thiobacillus

Source: Springer Online Journal Archives 1860-2000

Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology

Notes: Abstract Thin polished sections of copper sulphide ore were placed as an energy source in stationary cultures of wild strains and Thiobacillus neapolitanus at pH 7.5. Scanning electron microscopy revealed characteristic leaching patterns that depended on the type of leaching process and time of bioleaching. In some cases, a biological film on the ore surface was observed. Close contact between bacterial cells and ore seems necessary for leaching in some cases.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF00383073

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