Patent ID: 7452469

Claim:
An apparatus for purifying sewage and wastewater, comprising: a general automatic impurity treating apparatus for removing suspended solids; a equalization tank; a distribution tank; a microbe contact tank provided with a rotary activated bacillus contactor comprising a reticular rotator comprising a flat fan-shaped body composed of a synthetic fiber, a first solidification portion formed of 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 latex, which is provided in the spacer insert hole; a measuring tank; a bioreaction tank; a settling tank; an aerated liquid circulation pump connected to the bioreaction tank and configured to recirculate part of the sewage and wastewater discharged into the settling tank to the distribution tank and the measuring tank; a sludge returning pump connected to the settling tank and configured to return part of the sludge precipitated in the settling tank to the distribution tank and the measuring tank; and a sludge thickener for treating the remainder of the sludge.