Method for bio-refining waste organic material to produce denatured and sterile nutrient products
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United States of America Patent
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Mar 6, 2001
Grant Date -
N/A
app pub date -
Mar 18, 1999
filing date -
Mar 18, 1998
priority date (Note) -
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Abstract
A method for treating infectious organic waste material such as dewatered sewage sludge, mixed organic wastes and animal waste. The method includes mixing the infectious organic waste material with a comminuted organic fibrous material to provide a reaction mixture. An oxidizing agent is an optional additive. The reaction mixture is heated in a hyperbaric reactor vessel at an elevated pressure and temperature for a time sufficient to create saturated steam and to produce a substantially denatured product containing inactivated pathogenic agents. The denatured product is dehydrated to produce a free-flowing solid product that may be used in various agricultural, industrial or commercial applications. Odor is controlled so that malodorous compounds are not released to the atmosphere.
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