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Online residual chlorine detector can prevent the threat of residual chlorine in tap water

by:BOQU     2023-04-02
The online residual chlorine detector is a measuring instrument composed of a sensor and a secondary meter. It can measure residual chlorine, pH value, temperature, etc. at the same time. It is widely used in electric power, water plants, hospitals and other fields. Residual chlorine refers to that after chlorine is put into water, in addition to consuming part of the chlorine with water bacteria, microorganisms, organic substances, inorganic substances, etc., there is still a part of chlorine left, which is called residual chlorine. Residual chlorine can be divided into compound residual chlorine (referring to the compound of chlorine and ammonia in water, there are three kinds of NH2Cl, NHCl2 and NHCl3, NHCl2 is more stable and has a good bactericidal effect), also called combined residual chlorine; free residual chlorine (referring to OC1+, HOCl, Cl2, etc. in water have fast sterilization speed and strong bactericidal power, but disappear quickly), also known as free residual chlorine. My 'Drinking Water Hygienic Standard' stipulates that chlorine should not be lower than 0.3mg/L after 30 minutes of contact with water, and centralized water supply should meet the above requirements except that the factory water should meet the above requirements, and the water at the end of the pipe network should not be lower than 0.05mg/L. Residual chlorine is the sum of combined residual chlorine and free residual chlorine. Residual chlorine in tap water effluent refers to free residual chlorine to test bacteria in tap water, and the result cannot be obtained immediately, and the number of bacteria in tap water is inversely proportional to the amount of residual chlorine, so the determination of residual chlorine in tap water can be used as a measure Effects on water disinfection and signs of recontamination of tap water. It is especially necessary for the situation where the pipe network is long, there are dead water ends and the equipment is outdated. Therefore, residual chlorine is an important indicator to ensure the continuous sterilization ability of chlorine and prevent external pollution. When the residual chlorine is kept at 0.5 mg/L, it not only has a complete killing effect on typhoid fever, dysentery, Leptospira, Brucellosis, etc., but also has a killing effect on enteroviruses, such as infectious hepatitis and polio virus effect. When the chlorine content in the tap water is too low, the tap water will be polluted again, making it unable to meet the water quality requirements; but when the chlorine content in the tap water is too high, the amount of chlorine will be wasted. It tastes bad, it is not good to drink, and it can cause decolorization when the printed matter is washed after dyeing, and it also affects the aquaculture industry, and it also has an impact on family raising goldfish.
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