Application of enhanced filtration technique to treat drinking source water

Description is given to the basic principle and current application by enhanced filtration technique to treat the drinking source water, such as launching filter aids and changing the filtrating media. It is pointed the effect of the enhanced conventional treatment process. Development and problems linked with the enhanced filtration were discussed. For example, it should been given the intensity of back-washing of biological active rapid filter and the effect of filtration by coagulating.