Liquid purification or separation – Processes – Treatment by living organism
Reexamination Certificate
2007-06-12
2008-11-18
Upton, Christopher (Department: 1797)
Liquid purification or separation
Processes
Treatment by living organism
C210S621000, C210S624000, C210S626000, C210S151000, C210S195100, C210S195300
Reexamination Certificate
active
07452469
ABSTRACT:
Disclosed herein is an apparatus for purifying sewage and wastewater, including a general automatic impurity treating apparatus; a equalization tank; a distribution tank; a microbe contact tank provided with a rotary activatedbacilluscontactor comprising a reticular rotator comprising a flat fan-shaped body composed of a synthetic fiber, a first solidification portion28formed of Saran latex, which is placed on the body, a spacer insert hole, formed between the body and the first solidification portion and bored such that the hole is integrated with the body and the first solidification portion, and a second solidification portion, formed of Saran latex, which is provided in the spacer insert hole; a measuring tank; a bioreaction tank; a settling tank; a sludge thickener; an aerated liquid circulation pump connected to the bioreaction tank and circulating part of the sewage and wastewater discharged into the settling tank to the distribution tank and the measuring tank; and a sludge returning pump connected to the settling tank and returning part of sludge precipitated in the settling tank to the distribution tank and the measuring tank.
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Sheridan & Ross P.C.
Upton Christopher
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