In the first two chapters of the water quality online monitoring equipment manufacturers have been together with you to understand the two causes of ammonia nitrogen exceeded, then in addition to those two are there other factors will have an impact? Does too low PH cause excessive levels of ammonia nitrogen? The answer is: Yes! As for the specific can be divided into three situations:

1.If the internal reflux is too large or the aeration is too large, a large amount of oxygen will be carried into the pool, which will destroy the anoxic environment. The aerobic metabolism of denitrifying bacteria will cause part of organic matter to be metabolized by oxygen, which will seriously affect the integrity of denitrification. When the PH of nitrifying bacteria is lower than that of nitrifying bacteria, the nitrification reaction is inhibited and the ammonia nitrogen increases.

2.The CN ratio of the inlet water is insufficient, and the denitrification is incomplete, resulting in less alkalinity, resulting in a decrease in PH value;

3.The decrease in the alkalinity of the water will lead to a continuous decrease in PH.

From the above analysis, the reduction of PH leads to excessive ammonia nitrogen, and the probability of actual occurrence is relatively low, because the continuous decline of PH is a process, and the general staff will start to add alkali to adjust PH when they do not find the reason.

The Solution

1.If the PH is really too low, it is actually very simple, as mentioned above, if the PH is found to decline continuously, you can start to add alkali to maintain the PH, and then analyze to find out the reason;

2.As to whether the PH is too low will cause the system to crash, this has not happened at present. But the PH can not be replenished in time, and then smothered or put into the same kind of sludge.

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