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- W108455392 abstract "A mechanism found suitable for pyritic sulfur removal from coal by mesophilic organisms has been modified and evaluated for the same reaction by the thermophile: Sulfolobus acidocaldarius. The mechanism as modified includes direct and indirect mechanistic elements whose magnitudes were determined experimentally at leaching conditions with and without microbes. Chemical leaching of pyrite by Fe(III) ions and the chemical oxidation of Fe(II) to Fe(III) were found to contribute significantly to overall conversions at thermophilic temperature (72/degree/C) but not at mesophilic temperature (25-37/degree/C). The model thus constructed fit overall sulfur leaching data well after suitable assumptions had been made for extent of cell attachment; gas (oxygen) transfer rates, sulfur accessibility, and sulfate reprecipitation rates. The resulting equation is useful for process simulation, control and design. Further work is needed to define additional sulfur leaching effects." @default.
- W108455392 created "2016-06-24" @default.
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- W108455392 date "1988-01-01" @default.
- W108455392 modified "2023-09-23" @default.
- W108455392 title "Kinetic elements in thermophilic-microbial leaching of sulfur from coal. [Sulfolobus acidocaldarius]" @default.
- W108455392 hasPublicationYear "1988" @default.
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