Method and device for biogenic waste treatment
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United States of America Patent
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Sep 17, 2013
Grant Date -
Aug 11, 2011
app pub date -
Mar 20, 2007
filing date -
Mar 20, 2007
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Abstract
The present discloses a method and a device for biogenic waste, or bio-waste treatment, and said method is as follows: Firstly, the biogenic waste is evenly mixed with water vapor, or steam, heating and pressurizing so that the temperature reaches 130-190° C. and the pressure reaches 1.5-1.9 MPa after mixture, and this state is maintained for 1-25 minutes; Then, the pressure of the mixture of said biogenic waste and water vapor is reduced to normal pressure, such as atmospheric pressure so as to conduct low-molecularization, such as decreasing or reduction of molecular weight of the biogenic waste to obtain a low-molecularized mixture, such as a low molecular weight mixture; finally, the low-molecularized mixture, such as low-molecular weight mixture is separated so as to obtain the final products. Said device includes reaction vessel, stirring device, vapor input device, pressure-reducing regulator and separation device.
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