Hydraulic and earth engineering – Subterranean waste disposal – containment – or treatment – With treatment of waste
Patent
1997-06-11
1999-03-30
Suchfield, George
Hydraulic and earth engineering
Subterranean waste disposal, containment, or treatment
With treatment of waste
71 9, 210610, 210620, 210901, 166 52, 166 53, 166246, 16625001, 588205, 588249, 588260, 588900, E21B 4312, E21B 4706, B09B 100, A62D 300
Patent
active
058880224
ABSTRACT:
A system and method are provided for treating biodegradable waste material in a landfill by aerobic degradation. Waste material is deposited in the landfill and covered. The moisture content in the landfill is increased from about 40% to about 70% and a source of oxygen is injected into the landfill to drive and maintain primarily aerobic degradation of the waste material. The temperature in the landfill is increased to substantially eliminate pathogens from the waste material. The temperature in the landfill is controlled within a range of about 130.degree. F. to about 150.degree. F. to sustain the primarily aerobic degradation. Any combination of oxygen content, moisture content, and temperature in the landfill is monitored and varied to sustain and maintain the primarily aerobic degradation in the landfill.
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Environmental Control Systems, Inc.
Suchfield George
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