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Atomistic simulation of the structure and elastic properties of pyrite (FeS2) as a function of pressure

Author: Sithole, Happy M ; Ngoepe, PE ; Wright, K Date: Oct 2003 Interatomic potential parameters have been derived at simulated temperatures of 0 K and 300 K to model pyrite FeS2. The predicted pyrite structures are within 1% of those determined experimentally, while the calculated bulk modulus is within ... Read more
Bacterial oxidation of pyrites in South African coal mines, Part 1

Author: van Zyl, PC Date: 1966 The present investigation was undertaken to determine whether bacteria, similar to those described in the literature, are also present in South African coal mines, and if so, to what extent they influence the oxidation of pyrites and the ... Read more
Determination of quartz and pyrites in coal for comparison with their abrasive properties

Author: Von Wolff, WTE Date: 1969 Three coal samples, with abrasiveness indices of 533, 779 and 142 iron eroded, respectively, were heated 350 C in a current of air to remove carbonaceous material. Read more
Focus on CSIR research in pollution and waste: High sulphide Concentrations tolerated by sulphate reducing bacteria

Author: Greben, H Date: Aug 2007 Acid mine drainage (AMD) is a common result of mining activities caused by bacterial oxidation of sulphide minerals (pyrite) that results in sulphate rich waste water. AMD can be treated biologically in the presence of sulphate reducing ... Read more

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Browsing by Subject "Pyrites"

Browsing by Subject "Pyrites"

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