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[Chemical Knowledge]：Difference between Residual Chlorine and Total Residual Chlorine and Its Effect on Water Quality

Read： 501 Time：19months ago Source：Transform the World with Simplicity

Residual chlorine and total residual chlorine are two concepts often mentioned in water treatment processes, both of which are related to water quality and disinfection by-products. Residual chlorine refers to the chlorine that has not been completely reacted during the disinfection process of water treatment, while total residual chlorine refers to the sum of free chlorine and chloramine disinfection by-products in water. While both are related to chlorine, their meanings and effects are different.

residual chlorine and total residual chlorine have different meanings. Residual chlorine refers to the chlorine added in the process of water treatment and disinfection. Its function is to eliminate bacteria and viruses in the water and ensure the safety of water quality. The total residual chlorine, which includes free residual chlorine and chloramine disinfection by-products, is a comprehensive indicator that reflects the role of chlorine in the water treatment process and the formation of by-products.

residual chlorine and total residual chlorine have different effects on water quality. Residual chlorine can ensure the safety of water quality within a certain range, but too high or too low residual chlorine content will have a negative impact on water quality. Excessive residual chlorine content will produce pungent odor and taste, which will affect human health, while too low residual chlorine content cannot be effectively disinfected, increasing the risk of bacteria and viruses in the water. The total residual chlorine more reflects the disinfection by-products that may be generated in the water treatment process, such as chloroform, dichloromethane, etc., which will have a certain impact on human health.

For household drinking water, it is important to understand the meaning and impact of residual chlorine and total residual chlorine. When choosing household water purification equipment, it is necessary to consider not only the removal effect of residual chlorine, but also the removal effect of total residual chlorine. Because the impact of disinfection by-products in total residual chlorine on health is equally important and cannot be ignored.

In summary, residual chlorine and total residual chlorine are two important water quality indicators, and they both play an important role in the water treatment process. Understanding their differences and their impact on water quality can help us better ensure the safety of drinking water in our homes. I hope everyone can pay attention to water quality issues in daily life, choose safe and reliable drinking water, and protect the health of themselves and their families.

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