Water quality evolution and influencing factors in riverbank filtration system

Historical developments, applications of riverbank filtration are reviewed in this paper. Groundwater quality evolution with geochemical behaviors and pollutant removals, under the effect of adsorption and chemical precipitation, redox reactions, mixing effects, lixiviation and microbial activities are summarized. Major controlling factors and advanced research technologies are expounded. Difficult and major research issues are reviewed to provide some basis for water supply security.