Measureing method of biological nitrification rate
专利汇可以提供Measureing method of biological nitrification rate专利检索，专利查询，专利分析的服务。并且PURPOSE: To measure the nitrification rate of biological denitrification method stably online, in activated sludge method to treat waste water, by measuring the flow rate of injection gas for aeration and exhaust gas, and O
2 and CO
2 concentration, and operating them.
CONSTITUTION: Air at flow rate F is injected into a main aeration tank 1, and air at flow rate F' is injected in a rear aeration tank 2 into the water discharged from a final sedimentation tank 3. O
2 partial pressure differences x
1 to x
4 and CO
2 partial pressure differences y
1 to y
4 between the exhaust gas captured by exhaust gas collectors C
1 to C
4 and the atmosphere are measured by O
2 analyzer 4 and CO
2 analyzer 5, while the exhaust gas in the collecters C
1 to C
4 is mixed at equal quantity by a gas mixer 7. This mixture gas is further mixed with the exhaust gas of the collector C
4 by a gas mixer 8 at the ratio of F:F'. The O
2 consumption speed X and the CO
2 consumption speed Y are computed from formula I and II (where x' is the average of x
1 to x
3 ; y' is the average of y
1 to y
3 ) in an operator 6, so that the nitrification rate N=X-Y may be obtained.
COPYRIGHT: (C)1979,JPO&Japio，下面是Measureing method of biological nitrification rate专利的具体信息内容。
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