Wastewater Treatment

About this book

Covers the basics such as wastewater sources, characteristics and monitoring through the more advanced chemical treatments and nutrient removal.

Contents

SOURCES AND CHARACTERISTICSNature of WastewaterSources and Effects of ContaminantsCharacterization of Industrial WastewaterWastewater MinimizationDeveloping a Treatment StrategyMONITORING AND ANALYSISFlow and Level MonitoringpH, Oxidate-Reduction Probes and Ion-Selectives SensorsOxygen AnalyzersSludge, Colloidal Suspension, and Oil MonitorsSEWERS AND PUMPING STATIONSIndustrial Sewer DesignManholes, Catch Basins, and Drain HubsPumps and Pumping StationsEQUALIZATION AND PRIMARY TREATMENTEqualization BasinsScreens and ComminutorsGrit RemovalGrease Removal and SkimmingSedimentationFlotation and FoamingSludge Pumping and TransportationCONVENTIONAL BIOLOGICAL TREATMENTSeptic and Imhoff TanksCoventional Sewage Treatment PlantsSECONDARY TREATMENTWastewater MicrobiologyTrickling FlitersRotating Biological ContractorsActivated-Sludge ProcessesExtended AerationPonds and LagoonsAnaerobic TreatmentSecondary ClarificationDisinfectionADVANCED OR TERTIARY TREATMENTTreatment Plant AdvancesChemical PrecipitationFiltrationCoagulation and Emulsion BreakingORGANICS, SALTS, METALS, AND NUTRIENT REMOVALSoluble Organics RemovalInorganic Salt Removal by Ion ExchangeDemineralizationNutrient (Nitrogen and Phosphorus) RemovalCHEMICAL TREATMENTNeutralization Agents and ProcessespH Control SystemsOxidation-Reduction Agents and ProcessesORP Control (Chrome and Cyanide Treatment)Oil Separation and RemovalSLUDGE STABILIZATION AND DEWATERINGStabilization: Aerobic DigestionStabilization: Anaerobic DigestionSludge ThickeningDewatering FiltersDewatering: CentrifugationHeat Treatment and Thermal DryersSLUDGE DISPOSALSludge IncinerationLagoons and LandfillsSpray IrrigationOcean DumpingAir DryingComposting

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