drinking water disinfection system Books

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    Nitrification in the Distribution System DVD

    Water operators face ever increasing challenges to balance a list of drinking water regulations with water quality controls. To manage disinfection and control disinfection byproducts, many utilities have turned to chloramination for secondary disinfection. Chloraminating systems however, are prone to “nitrification-related accelerated ...

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    Where Does Water Come From? Where Does Water Go? DVD

    Where does tap water come from? What happens to water after it goes down the drain? Why does water need to be cleaned before and after people use it? Kids learn all the answers in this entertaining video.Children watch how the earth recycles water using the hydrologic cycle. Easy-to-understand animation and live action brings the water cycle to ...

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