Downflow Biofiltration of Hydrogen Sulfide-Containing Gas
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United States of America Patent
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Issued Date -
Oct 9, 2008
app pub date -
Apr 9, 2007
filing date -
Apr 9, 2007
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Abandoned
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Abstract
A method for treating a gas containing sulfur, the method comprising the steps of: introducing a gas into a headspace of a vessel; passing the gas through a filtration medium contained in the vessel, wherein the filtration medium comprises sulfur-oxidizing organisms, wherein the gas is passed through the filtration medium in a generally downward direction; and irrigating the filtration medium with an aqueous liquid, wherein the pH of the aqueous liquid is at least 5.
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