Rohwerder, T.; Schippers, A.; Sand, W.:

Quantification of metal sulfide oxidation by microcalorimetry.

In: DGMK Tagungsbericht, Jg. 9704 (1997) ; Proceedings ICCS '97, Volume 3, S. 1659-1662
ISSN: 1433-9013
Zeitschriftenaufsatz / Fach: Chemie
Abstract:
The oxidn. of metal sulfides (pyrite) by defined cultures of leaching bacteria (Thiobacillus ferrooxidans, Leptospirillum ferrooxidans) was quantified by microcalorimetry. The heat evolved generally correlated with the leaching rate and the theor. reaction energies. Bioleaching activities could be accurately measured in short-time expts. within 1 h.

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