Controlling of Biological Stability in Drinking Water by Purification Processes

In a pilot scale system,the formation and removal of BDOC and AOC were compared in the pre-treatment unit,traditional treatment unit and advanced treatment unit.The experimental results indicate that the COD_(Mn) removal in a traditional process plus active carbon filter system is 30% and in a traditional process plus ozone and active carbon filter system is more than 50%.The AOC contents in the effluent of a traditional process plus active carbon filter system is below 50μg/L.The optimum process combination in the research is: traditional process plus ozonation plus biological active carbon.