title: Occurrence and fate of pharmaceuticals and personal care products in drinking water in southern China.
abstract: Occurrence and fate of pharmaceuticals and personal care products (PPCPs) in drinking water was investigated in southern China. Fifteen and twelve PPCPs were detected with concentrations of 0-36 ng L(-1) in source water and of 0-20 ng L(-1) in treated water, respectively. Four PPCPs were detected with concentrations of approximately 1 ng L(-1) in drinking water of distribution network. Conventional water treatment processes removed the types and average concentrations of PPCPs by 30% and above 50%, respectively. Advanced water treatment processes were more efficient in the removal of most PPCPs, with the types and concentrations reduced by 50% and approximately 90%, respectively. Molecular properties of PPCPs had an important influence on their behaviors during water treatment. pK(a) (acidity coefficient) and K(oc) (organic carbon partition coefficient) of PPCPs appeared to have a combined effect on PPCPs removal during coagulation and oxidation. Adsorption and biodegradation were two possible mechanisms responsible for PPCPs removal during sand filtration.
authors: Research Center for Environmental Engineering and Management, Graduate School at Shenzhen, Tsinghua University, Shenzhen, 518055, China.
authors: Tiejun
authors: T
authors: Qiao
authors: Zhengrong
authors: Z
authors: Yu
authors: Xihui
authors: X
authors: Zhang
authors: Doris W T
authors: DW
authors: Au
mesh_terms: D002681:China; D002851:Chromatography, High Pressure Liquid; D060766:Drinking Water / Q000737:chemistry*; D004364:Pharmaceutical Preparations / Q000032:analysis*; D011786:Quality Control; D053719:Tandem Mass Spectrometry; D014874:Water Pollutants, Chemical / Q000032:analysis*; D014877:Water Pollution, Chemical / Q000032:analysis; D018508:Water Purification / Q000379:methods / Q000706:statistics & numerical data; D060753:Water Quality
chemical_list: D060766:Drinking Water; D004364:Pharmaceutical Preparations; D014874:Water Pollutants, Chemical