Nitrifying and denitrifying device by jet aeration
专利汇可以提供Nitrifying and denitrifying device by jet aeration专利检索，专利查询，专利分析的服务。并且PURPOSE: To improve the efficiency of oxygen dissolution into a nitrifying section by partitioning the intermediate water depth of a single tank with a drift plate row, using the upper part as the nitrifying section and the lower part as a denitrifying section and providing a pump line from the lower layer of the denitrifying section to the lower layer of the nitrifying section.
CONSTITUTION: The raw water supplied to a descending flow passage 4 flows together with the circulating water from a weir 20 for controlling of flow rate into a denitrifying section 7. Thereafter, the raw water is branched, and one branched flow is sucked across the tank bottom into a header 9 and runs through a circulation pump line 14, by which said water is mixed with air, and is ejected as a jet of two layers carrying fine foam along the top surface of the drift plate 5 row in a nitrifying section 6. In the section 6, the liquid is vigorously agitated by the jet of two layers while receiving sufficient supply of oxygen. The nitrogen components in the raw water are oxidized to NP
2
- or NO
3
- by the effect of nitrifying bacteria, and the BOD components are decomposed by the effect of BOD oxidizing bacteria.
COPYRIGHT: (C)1983,JPO&Japio，下面是Nitrifying and denitrifying device by jet aeration专利的具体信息内容。
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