In depth analysis of the wonderful effects of sewage treatment chemical
Wastewater treatment chemical is essential chemicals in the process of treating wastewater, with a wide variety of types and specific functions. According to different treatment needs and sewage characteristics, commonly used wast water treatment defoamer can be divided into the following categories:
used to eliminate or reduce the foam generated in sewage to ensure the smooth processing.
2. coagulants:
used to improve the flocculation effect of sewage, mainly targeting suspended solids and colloidal impurities. Common coagulants include polyaluminum chloride (PAC), polyacrylamide (PAM), and polyferric sulfate (PFS).
3. Coagulant aid:
It plays an auxiliary role in coagulants, enhancing the coagulation effect, such as certain organic polymer compounds.
4. Regulator:
Used to improve the dewatering performance of sludge, making it easier to dewater and treat.
5. Disinfectant:
Used to kill bacteria and viruses in sewage, ensuring that the effluent meets safety standards. Common disinfectants include sodium hypochlorite, ozone, etc.
6. Oxidizing agent:
Removing organic matter and some inorganic pollutants such as chlorine and ozone from wastewater through oxidation reactions.
7. Scale inhibitor and corrosion inhibitor:
Used to prevent scaling and corrosion of pipelines and equipment, and extend their service life. For example, EDTA, HEDP, etc.
In addition, in the actual application, it is also necessary to consider the specific composition of the sewage and the requirements of the treatment process to select the appropriate agent. For example, in the industrial circulating water system, may need to use dispersants, bactericidal algaecides, etc.; and in the urban wastewater treatment plant, it is necessary to take into account the dosage point of the agent, dosage and energy consumption and other factors. In short, the selection and use of sewage treatment chemicals need to be optimized according to the specific circumstances to ensure that the best treatment results and meet the environmental requirements.
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