File:FerricLeachingRates.PNG: Difference between revisions

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(Rates of ferrous iron production from the chemical ferric leaching of 64pm pyrite and the rates of ferrous iron consumption by bacterial oxidation to the ferric form by 'L. ferrooxidans' and T. ferrooxidans, respectively. The curves are calculated using the kinetic constants for bacterial ferrous iron oxidation reported by Boon (1996) and van Scherpenzeel (1997) and the kinetic constants for ferric leaching of pyrite reported by May et a/. (1997). Pyrite concentration was calculated as rnol (...)
 
 
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== Summary ==
== Summary ==
Rates of ferrous iron production from the chemical ferric
Rates of ferrous iron production from the chemical ferric leaching of 64pm pyrite and the rates of ferrous iron consumption by bacterial oxidation to the ferric form by 'L. ferrooxidans' and T. ferrooxidans, respectively. Graph and summary sourced from: Rawlings DE, Tributsch H, Hansford GS. 1999. Reasons why 'Leptospirillum'-like species rather than Thiobacillus ferrooxidans are the dominant iron-oxidizing bacteria in many commercial processes for the biooxidation of pyrite and related ores. Microbiology 145:5-13.
leaching of 64pm pyrite and the rates of ferrous iron
consumption by bacterial oxidation to the ferric form by 'L.
ferrooxidans' and T. ferrooxidans, respectively. The curves are
calculated using the kinetic constants for bacterial ferrous iron
oxidation reported by Boon (1996) and van Scherpenzeel (1997)
and the kinetic constants for ferric leaching of pyrite reported
by May et a/. (1997). Pyrite concentration was calculated as rnol
(I culture volume)-' even though not all of the pyrite will be
soluble under all conditions. The concentration of pyrite was
assumed to be 0.1 mM and the bacterial concentration
0.012 mM carbon. Sourced from: Rawlings DE, Tributsch H, Hansford GS. 1999. Reasons why 'Leptospirillum'-like species rather than Thiobacillus ferrooxidans are the dominant iron-oxidizing bacteria in many commercial processes for the biooxidation of pyrite and related ores. Microbiology 145:5-13.

Latest revision as of 01:15, 8 September 2023

Summary

Rates of ferrous iron production from the chemical ferric leaching of 64pm pyrite and the rates of ferrous iron consumption by bacterial oxidation to the ferric form by 'L. ferrooxidans' and T. ferrooxidans, respectively. Graph and summary sourced from: Rawlings DE, Tributsch H, Hansford GS. 1999. Reasons why 'Leptospirillum'-like species rather than Thiobacillus ferrooxidans are the dominant iron-oxidizing bacteria in many commercial processes for the biooxidation of pyrite and related ores. Microbiology 145:5-13.

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current01:13, 8 September 2023Thumbnail for version as of 01:13, 8 September 2023665 × 425 (38 KB)I.farhad (talk | contribs)Rates of ferrous iron production from the chemical ferric leaching of 64pm pyrite and the rates of ferrous iron consumption by bacterial oxidation to the ferric form by 'L. ferrooxidans' and T. ferrooxidans, respectively. The curves are calculated using the kinetic constants for bacterial ferrous iron oxidation reported by Boon (1996) and van Scherpenzeel (1997) and the kinetic constants for ferric leaching of pyrite reported by May et a/. (1997). Pyrite concentration was calculated as rnol (...

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