Sensors & transducers


CONSISTENT BEVERAGE QUALITY THROUGH PRECISE DISINFECTION MONITORING


Water management is an increasingly important and challenging issue, particularly in light of concerns such as water scarcity. Greater value is thus being placed on disinfection processes. To protect against bacteria, viruses and other harmful organisms, drinking water requires disinfection and hygiene measures. This also applies to the environment in order that lakes and water-based activities can be enjoyed without hesitation. Disinfection processes play a large role in industrial processes as well. In the beverage industry, drinking water flows directly into the products, while surface waters are frequently used as a coolant in other segments such as energy generation. In this case the disinfection process ensures that no biofilms or bacterial lawns form in the coolant pipes or tanks, which can reduce the cooling capacity. Johannes Kienle, product manager at Endress+Hauser investigates...


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rely on chlorine or chlorine dioxide because they have a deposit effect that ensures the water safely reaches the consumer. In terms of coolant applications, the water is frequently disinfected with chlorine dioxide or free bromine because they break down the biofilm directly and are effective across a wide pH range. Free bromine is employed as a disinfectant in seawater applications since the chlorination in this medium produces free bromine. Peracetic acid is commonly used in the food industry as it acts as a broad- spectrum disinfectant. Disinfection with free


D May 2024 Instrumentation Monthly


ifferent applications utilise different disinfectants. Ozone is a common disinfectant in water treatment applications since it is highly reactive. Water distribution networks


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