Effluent phosphorus removers are chemicals that are used to remove phosphorus when treating sewage. It can effectively reduce the phosphorus content in sewage, reduce the pollution to the water body, and protect the environment. This article will introduce the use of sewage phosphorus remover, including the selection of appropriate phosphorus remover, calculation of dosage, dosing method, etc.
Different wastewater treatment facilities are suitable for different types of phosphorus removers. Common phosphorus removers include metal salts, polymers and biomass. According to the characteristics of the wastewater, it is important to choose the right phosphorus remover. The following table lists several common phosphorus removers and their use scenarios:
Choosing the right phosphorus remover can improve the phosphorus removal effect and reduce the dosage and cost.
The amount of phosphate remover to be added depends on the concentration of phosphorus in the effluent and the properties of the selected phosphate remover. Often, some testing is required to determine the optimal dosing dose. Here are the basic steps to calculate the optimal dosage:
1.Determination of the concentration of phosphorus in sewage. The assay can be performed using chemical or instrumental analytical methods.
2.Determine the dosing efficiency of the phosphorus remover. The phosphorus removal effect of the phosphorus remover is obtained through experiments or production practices.
3.The dosage is calculated based on the required phosphorus removal rate and the dosage efficiency of the phosphorus remover. Dosage = target phosphorus concentration - actual phosphorus concentration Phosphorus removal efficiency of the phosphorus scavenger.
According to the characteristics of the phosphorus remover and the requirements of the sewage treatment facility, different dosing methods can be selected. Common dosing methods include:
1.One-time addition method: The phosphorus remover is put into the sewage treatment tank at one time and mixed thoroughly by stirring. This method is suitable for situations where the amount of wastewater treated is small or the amount of dosage is small.
2.Batch dosing method: The phosphorus remover is divided into several batches and added to the sewage treatment tank, with a certain time interval between each dosing. This method is suitable for situations where the sewage treatment volume is large or the dosage is large.
3.Continuous addition method: the phosphorus remover is continuously added to the sewage treatment tank and mixed thoroughly by stirring. This method is suitable for situations where the phosphorus removal effect is required to be high.
Choosing the appropriate dosing method can improve the phosphorus removal effect and reduce the waste of phosphorus remover.
When using sewage phosphorus removers, the following points need to be noted:
1.Follow safe operating procedures, wear protective equipment, and avoid direct contact with phosphate removers.
2.According to the characteristics of the phosphorus remover and the properties of the sewage, the dosage is controlled to avoid waste and overdose.
3.Regularly monitor the concentration of phosphorus in the sewage and adjust the dosage according to the actual situation.
4.Combined with other treatment processes, the use effect and economic benefits of phosphorus remover are comprehensively considered.
To sum up, the use of sewage phosphorus remover includes selecting the appropriate phosphorus remover, calculating the dosage and selecting the dosing method. In the process of use, it is necessary to pay attention to the operation safety and dosing effect to ensure the effect of sewage treatment and environmental protection.