Some customers or non-professionals may still have doubts. Whether it is medical wastewater, domestic sewage, or other types of wastewater, proper disinfection is required to ensure water safety! A commonly used disinfectant is chlorine-based disinfectant. How is this related to the wastewater comprehensive discharge indicators? Don’t worry, this article will give you a simple explanation.

Although chlorine is used for disinfection, the Integrated Wastewater Discharge Standard (GB 8978-1996) also sets requirements for chloride ions, including a limit of 0.5 mg/L for total residual chlorine. Excessive total residual chlorine will also cause water pollution, thereby affecting the ecological environment and human health.

So, What Exactly is Total Residual Chlorine in Wastewater Discharge?

Total residual chlorine, as specified in China’s wastewater discharge standards, refers to the chlorine content in wastewater. It mainly includes combined chlorine and free chlorine. Dechlorination treatment is required to ensure that the total residual chlorine index meets the standard.

In this case, the RCl900 Online Total Residual Chlorine Analyzer is important equipment in the wastewater treatment process. It is used for real-time monitoring of total residual chlorine in wastewater, so that timely measures can be taken if an excess occurs.

What Harm Does Residual Chlorine in Common tap Water Cause?

Excessive chlorine may produce carcinogenic by-products. Once consumed by the human body, it will seriously affect human health. Long-term use of such contaminated water can even lead to death in severe cases.