| 摘要 |
A plant for biological aerobic treatment of waste water, combining in vertical tank with horizontal reinforcement ribs on external surface and projecting beyond its limit bottom divided by partitions denitrification, nitrification and gravity separation compartments. From below to the bottom of the tank circular tray is hermetically adjusted, on the external surface of the tank fixed to it, fastened by horizontal circular reinforcement ribs opened from above vertical throughly hollow reinforcement ribs are fixed, which with their lower ends are connected to holes in projecting beyond the height vertical reinforcement ribs tank bottom. |
