ULTRAVIOLET LIGHT IN WATER AND WASTEWATER SANITATION (2002)

Content: IntroductionHistorical: Use of UV Light in Drinking Water TreatmentPresent State of Standards and RegulationsDefinition of Ultraviolet Light: Range and Natural SourcesSolar Radiant EnergyAvailable Lamp (or Burner) TechnologiesGeneralMercury Emission LampsCurrently Available Commercial Lamp TechnologiesAvailable Lamp TechnologiesSpecial Lamp TechnologiesPreliminary Guidelines for Choice of Lamp Technology UV Emission Yields and Mode of ControlZonal Distribution of Emitted LightUse of Ultraviolet Light for Disinfection of Drinking WaterIntroductionGermicidal ActionDose-Efficiency ConceptRepresentative Test OrganismsCompetitive Effects in Disinfection with UV-Light  Multihit, Multisite, and Step-by-Step Killing Concepts Design Factors for Reactor Geometry Mixing Conditions in UV-Water TreatmentOperational Control of EfficiencyTentative Design Questionnaire for UV-Based Disinfection Units for Drinking Water ExamplesUse of UV in Photochemical Synergistic Oxidation Processes in Water Sanitation Basic PrinciplesCombinations of Hydrogen Peroxide and UV-LightSynergism of Ozone and UV in Water Sanitation  UV-Catalytic ProcessesTentative Design Rules for UV-Synergistic Oxidation Processes  Use of UV Light for Sanitation of WastewaterRegulations and Guidelines for Disinfection of Treated WastewaterGeneral Characteristics of Effluents in Relation to Disinfection by UV-LightAftergrowth and Photorepair after Exposure to UV Disinfection of WastewaterApplied UV Doses in Wastewater DisinfectionChoice of Lamp Technology in Wastewater DisinfectionToxicity and Formation of By-ProductsPreliminary Conclusions on Wastewater Disinfection with UVExampleGeneral ConclusionsGlossaryReferencesIndex