Water PurificationWater SupplyPhysicochemical ProcessesWaterCitratesDisinfectionFiltrationWater MicrobiologyFresh WaterBody WaterTripterygiumWater Pollutants, ChemicalMolecular WeightWater PollutantsChromatography, AffinityElectrophoresis, Polyacrylamide GelChromatography, Ion ExchangeChromatography, GelWater Deprivation