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Full Description
Step-by-step procedures for planning, design, construction and operation:
* Health and environment
* Process improvements
* Stormwater and combined sewer control and treatment
* Effluent disposal and reuse
* Biosolids disposal and reuse
* On-site treatment and disposal of small flows
* Wastewater treatment plants should be designed so that the effluent standards and reuse objectives, and biosolids regulations can be met with reasonable ease and cost. The design should incorporate flexibility for dealing with seasonal changes, as well as long-term changes in wastewater quality and future regulations. Good planning and design, therefore, must be based on five major steps:
characterization of the raw wastewater quality and effluent,
pre-design studies to develop alternative processes and selection of final process train,
detailed design of the selected alternative,
contraction, and
operation and maintenance of the completed facility.
Engineers, scientists, and financial analysts must utilize principles from a wide range of disciplines: engineering, chemistry, microbiology, geology, architecture, and economics to carry out the responsibilities of designing a wastewater treatment plant. The objective of this book is to present the technical and nontechnical issues that are most commonly addressed in the planning and design reports for wastewater treatment facilities prepared by practicing engineers. Topics discussed include facility planning, process description, process selection logic, mass balance calculations, design calculations, and concepts for equipment sizing. Theory, design, operation and maintenance, trouble shooting, equipment selection and specifications are integrated for each treatment process. Thus delineation of such information for use by students and practicing engineers is the main purpose of this book.
Contents
Preface IntroductionHistorical Background Current Status Future DirectionsPlant Design Scope of the Book ReferencesBasic Design ConsiderationsIntroduction Initial and Design YearsService AreaSite SelectionDesign PopulationRegulatory Controls and Effluent LimitationsCharacteristics of WastewaterDegree of TreatmentChoice of Treatment Processes, Process Train and Comparison of AlternativesEquipment SelectionPlant Layout and Hydraulic ProfileEnergy and Resource RequirementsPlant EconomicsEnvironmental Impact AssessmentProblems and Discussion TopicsReferencesWastewater CharacteristicsIntroductionMunicipal Water DemandWastewater FlowQuality of WastewaterCharacteristics of WastewaterUnit Waste Loading and PopulationEquivalentsProblems and Discussion TopicsReferencesWastewater Treatment Unit Operations and Processes, and Process DiagramIntroductionLiquid Treatment SystemsSludge Processing and DisposalProblems and Discussion TopicsReferencesPredesign StudiesIntroductionProject PlanningFacility PlanningPreparation of Design Plans, Specifications, Cost Estimates, and Support DocumentsDiscussion TopicsModel Facility PlanIntroductionProject IdentificationObjectives and ScopeEffluent Limitations and Initial Design PeriodExisting and Future ConditionsForecast of Waste-water Characteristics from Service AreasWastewater Treatment Process AlternativesEngineer's Development of the Proposed ProjectFinancial StatusDescription of Selected Wastewater Treatment FacilityEnvironmental Impact AssessmentPublic Particip
