Research on the Distribution of Bacterium in Secondary Water-Supply Systems

According to the application of secondary water-supply system has been used more and more, the problem of water pollution in secondary water-supply system turns serious. Research was made on distributing rules of bacteria in secondary water-supply system; the variety and correlativity of water quality index were analyzed. Index that reflecting total bacteria number in water-supply system was indicated; control methods and advices correspondingly were brought forward.