METHOD FOR PRODUCTION OF ORGANIC AMMONIUM SULFATE USING CAPTURED NH3 AND NH4 PRODUCED BY AEROBIC COMPOSTING
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United States of America Patent
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Issued Date -
Jan 16, 2014
app pub date -
Jul 10, 2012
filing date -
Jul 10, 2012
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Abstract
An aerobic composting process for producing an organic ammonium sulfate product is provided, including providing an enclosed composting apparatus for decomposition of a source of nitrogen; mixing said source of nitrogen with a source of carbon, thereby creating a biomass having a high solids content; moving said biomass down the composting trench as the aerobic composting process progresses; providing aerobic bacteria to highly selectively convert the available nitrogen compounds from said biomass into NH3 and/or NH4 and CO2 without addition of external heat; capturing the NH3 and/or NH4 and CO2 from the atmosphere of the composting apparatus in an aqueous solution; adding a source of sulfate to said aqueous solution containing captured NH3 and/or NH4 and CO2; and processing said aqueous solution containing a source of sulfate and captured NH3 and/or NH4 and CO2 to obtain preferrably organic ammonium polycarbonate and/or solid or concentrated liquid ammonium sulfate product.
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