Chemistry: molecular biology and microbiology – Apparatus – Bioreactor
Patent
1995-12-04
1996-08-13
Russel, Jeffrey E.
Chemistry: molecular biology and microbiology
Apparatus
Bioreactor
210290, 210297, 210400, 210413, 210783, 210807, 4352901, 4352903, 4352904, 4352971, B01D 3304, C02F 308, C12M 102, C12M 110
Patent
active
055455603
ABSTRACT:
The apparatus transforms animal waste produced during husbandry activities into useful materials such as organic-based manure and/or fertilizer to thereby mitigate the pollution problems associated with husbandry activities. A base part of the apparatus includes an endless conveyor having a filter in the form of an endless loop. A liquid-collection receptacle is interposed between the upper and lower runs of the filter so as to collect liquid filtrate from the waste material. A first hopper is located beneath one end of the endless loop so as to collect the solid content of the waste conveyed along the upper run of the filter. A second hopper is provided to accommodate material to be added to the solid content of the waste. The materials are fed from the respective hoppers into a mixing chamber whereupon they are mixed by a mixer. The base part of the apparatus is connected to a closed system of treatment tanks. The tank for treating the liquid content of the waste material accommodates a filtration layer at the bottom of the tank, a motor-driven carriage, and stirring bars extending from the motor-driven carriage toward the filtration layer. Soil is added into the tank and the tank is closed. The liquid content of the waste is introduced into the tank and when the motor-driven carriage is actuated, the stirring bars are rotated and moved across the tank to mix the liquid content of the waste with the soil to thereby produce high quality fertilizer.
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patent: 4419239 (1983-12-01), Frankel
patent: 5207904 (1993-05-01), Abel
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