Tap water/swimming pool
In the swimming pool and tap-water industries, water disinfection is a critically important issue; inadequate disinfection can turn water into a vehicle for disease transmission. Swimming pools maintain temperatures conducive to microbial growth, providing an ideal environment for pathogens such as those causing typhoid and paratyphoid fever, dysentery, hepatitis, acute conjunctivitis, and impetigo. Moreover, hepatitis viruses and encephalitis viruses are often transmitted via contaminated water. Tap water serves a broad population, and substandard disinfection can likewise lead to large-scale public-health incidents.
The most commonly used method is chlorine disinfection. When dissolved in water, chlorine generates hypochlorous acid, which diffuses to the bacterial surface, penetrates the cell membrane, and enters the cell. Inside the bacterium, the oxidizing action of the chlorine atoms disrupts specific enzymatic systems, ultimately leading to bacterial death. An important feature of chlorine disinfection is that, after treatment, an appropriate residual chlorine level can be maintained in the pool water as needed, thereby providing continuous disinfection throughout the pool’s operational life, even as the water is continually contaminated by swimmers. The typical residual chlorine concentration for swimming pool water is 0.4–0.6 mg/L. In addition, to ensure effective disinfection while preventing corrosion of equipment and pool surfaces, the pool water’s pH should be maintained within the range of 7.4–7.6.
In recent years, a considerable number of swimming pools in China have been using TCCA as a disinfectant for pool water. Where conditions permit and there is a need, ozone, ultraviolet light, or other disinfection methods may also be employed. When ozone or ultraviolet disinfection is used, chlorine disinfection should be applied as a supplement to ensure the continuity of disinfection. Many municipal water utilities also use ozone for water disinfection.
Our company’s pH and ORP Sensors are designed specifically for the swimming pool and tap water industries, providing long-term stable monitoring of pH or ORP values with high sensitivity and a long service life, making them your ideal choice.
For the tap water/swimming pool industry, the following Sensors from our company can be used:
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