The main causes of sewage treatment exceeding the limit of ammonia nitrogen are the decomposition of organic ammonia compounds in domestic sewage, as well as industrial wastewater from coking, ammonia synthesis, and agricultural drainage containing free ammonia and ammonium ions.
Reasons for exceeding the limit of ammonia nitrogen in sewage treatment
1. Organic matter
Excessive addition of carbon sources leads to inefficient denitrification, causing a large consumption of oxygen and trace elements.
2. Internal reflux
Objective factors: electrical faults in the internal reflux pump (the on-site shutdown still has a running signal), mechanical faults (wheel detachment); Subjective factors: human factors (the internal reflux pump has not been tested for forward and reverse rotation, and is in a reverse state on-site).
3. Low pH
The combination of the above two factors, together with a decrease in the alkalinity of the influent water, can lead to a continuous decrease in pH.
Sewage ammonia nitrogen eliminator is a highly efficient ammonia nitrogen removal agent specially produced to solve the difficulty of removing ammonia nitrogen in various waters. It is an inorganic polymer compound with a special cage-like structure, with a removal rate of over 99% for ammonia nitrogen, allowing the wastewater to meet the standard for discharge.
The ammonia nitrogen removal agent is a solid agent with catalytic properties, capable of rapidly decomposing ammonia nitrogen in water and can be widely used in the treatment of ammonia-containing wastewater, serving as a new type of wastewater treatment agent. The ammonia nitrogen removal agent has a significant effect on removing ammonia nitrogen, and can be directly added to the discharge port, with a removal rate of over 99%, suitable for the treatment of low to moderate concentration ammonia nitrogen wastewater, with a theoretical dosage of about 15 times the ammonia nitrogen content. Applications and usage of the ammonia nitrogen removal agent: it is used for the removal of ammonia nitrogen in electroplating, printed circuit boards, dyeing, leather, and other industrial wastewater containing ammonia nitrogen, as well as urban comprehensive sewage.
Removal of ammonia nitrogen in industrial wastewater and urban comprehensive sewage. 1. Dilute the product with clean water to a 5-10% solution according to the size of the influent sewage, and then add it after thorough mixing. It can reduce the turbidity, COD, heavy metals, and other effects. 2. The dosage of the product varies depending on the ammonia nitrogen content in the wastewater. The specific dosage needs to be determined through sampling. 3. It is best to add the product to the coagulant tank or return tank. Depending on the system, experiment can also be done in other sewage treatment tanks, but it should not be added before the biochemical tank.
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