Treatment of industrial wastewater with abnormal influent
The sewage treatment plant treats the incoming sewage within the scope of its own design capacity, so that the effluent quality can meet the discharge standards. However, abnormal water intake is inevitable.
So sewage treatment plant water abnormal emergency treatment how to do?
one
Abnormal water intake - basic situation
1) Illegal discharge of industrial wastewater;
2) Excessive influx of deposited pollutants in the pipeline caused by the sudden resumption of a large amount of supply caused by a long-term shortage of water intake;
3) Water intake anomaly caused by continuous heavy rainfall;
4) Due to the emptying of the subsequent structures of the sewage treatment plant itself, a large amount of sediment is returned to the water inlet, resulting in abnormal water intake of the sewage treatment plant.
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Abnormal water intake -- emergency handling measures
1) Install water inlet warning
Install online pH probe, online COD monitor and other online monitoring instruments in the water inlet, such as abnormal situation can be warned in time.
In addition, personnel in the inspection is also essential, such as:
If pH and cod data are abnormal, the water intake has obvious acrid, disgusting smell, or the water color is obviously blue or yellow, the factory director and production technical supervisor should be reported to the Responsible person in time;
When the sewage drains the subsequent structures, the amount of sediment in the reflux is too much, which exceeds the load the system can bear, and the biochemical system is seriously impacted. It is necessary to consult the superior in time.
2) Adjustment of sewage treatment facilities
When it is found that the water intake is large and exceeds the process design standard, the existing sewage treatment facilities should be reformed to ensure that the sewage can meet the discharge standards.
3) Emergency treatment of sudden and short time exceeding the standard
Such as ammonia nitrogen, phosphorus, heavy metals in the wastewater exceeded the standard, can be added in the wastewater chemical agents, rapid treatment of sudden exceeded the standard problem.
