Purfication of waste water
专利汇可以提供Purfication of waste water专利检索，专利查询，专利分析的服务。并且PURPOSE: To efficiently remove phosphorus and nitrogen from waste water, by arranging two or more rotary disc cells, and submerging parts of the rotary disc cells of one system under water to perform aerobic treatment and the whole of the rotary disc cells of the other system under water to perform anaerobic treatment.
CONSTITUTION: A rotary disc body B is provided in a cell A and rotated by a driving means C. When aerobic treatment is to be performed, the water level in the cell A is ajusted to the position E. Said positin may be under the condition that a part of the rotary disc body is submerged under water, but the position at which 40W50% of the rotary dis body is immersed is generally preferable for bringing the entire surface of the rotary discs into contact with the in-cell liquid to maintain the sufficient supply of oxygen. On the contrary, when anaerobic operation is performed, the water level in the cell A is raised to the position D to completely submerge the rotary disc body B under water. The fluctuations of said water level is performed by opening or closing a valve for an outflow or inflow pipe provided at the wall of the cell.
COPYRIGHT: (C)1983,JPO&Japio，下面是Purfication of waste water专利的具体信息内容。
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