This completely revised and updated third edition of a bestseller continues to be a thorough compilation of water science, treatment information, process control procedures, problem-solving techniques, safety and health information, and administrative and technological trends. It examines numerous real-world operating scenarios, including the intake of raw sewage and the treatment of water via residual management.
Handbook of Water and Wastewater Treatment Plant Operations contains numerous regulatory updates related to water/wastewater treatment, a new chapter on operator safety, and more than 250 new water/wastewater math practice problems for those preparing for licensure.
Part I Water and Wastewater Operations: An Overview
Current Issues in Water & Wastewater Treatment Operations
Introduction
Sick Water
Publicly Owned Treatment Works: Cash Cows or Cash Dogs?
The Paradigm Shift
Multiple-Barrier Concept
Management Problems Facing Water and Wastewater Operations
Review Questions
References and Recommended Reading
Water/Wastewater Operators
Introduction
Setting the Record Straight
The Computer-Literate Jack or Jill
Plant Operators as Emergency Responders
Operator Duties, Numbers, and Working Conditions
Operator Certification and Licensure
Review Questions
References and Recommended Reading
Plant Security
Introduction
Consequences of 9/11
Security Hardware/Devices
SCADA
Review Questions
References and Recommended Reading
Energy Conservation Measures and Sustainability
Introduction
Pumping System Energy Conservation Measures
Design and Control of Aeration Systems
Blowers
Innovative & Emerging Energy Conservation Measures
Review Questions
References and Recommended Reading
Water/Wastewater References, Models, Terminology & Acronyms
Setting the Stage
Treatment Process Models
Key Terms and Acronyms Used in Water & Wastewater Operations
Review Questions
References and Recommended Reading
Part II Water/Wastewater Operations: Math, Physics &Technical Aspects
Water/Wastewater Math Operations
Introduction
Calculation Steps
Equivalents, Formulae, and Symbols
Basic Water/Wastewater Math Operations
Applied Math Operations
Water Math Concepts
Wastewater Math Concepts
Water/Wastewater Laboratory Calculations
Review Problems
References and Recommended Reading
Science Fundamentals
Introduction
Force and Motion
Acceleration
Force
Newton’s Laws of Motion
Work
Energy
Momentum
Circular Motions
Angular Motion
Angular Velocity
Angular Acceleration
Torque
Angular Momentum
Gravity
Thermal Properties
States of Matter
Wave Motion and Sound
Waves
Physics of Sound
Light
Color
Review Questions
Blueprint Reading
Blueprints: The Universal Language
Units of Measurement
Alphabet of Lines
Dimensions & Shop Notes
Machine Drawings
Sheet Metal Drawings
Hydraulic and Pneumatic Drawings
Welding Blueprints & Symbols
Electrical Drawings
AC & R Drawings
Schematics & Symbols
Electrical Schematics
General Piping Systems & System
Hydraulic & Pneumatic Systems Schematic Symbols
Review Questions
References & Recommended Reading
Water Hydraulics
What is Water Hydraulics?
Basic Concepts
Density and Specific Gravity
Force and Pressure
Static Head
Flow/Discharge Rate: Water in Motion
Piezometric Surface & Bernoulli’s Theorem
Well & Wet Well Hydraulics
Friction Head Loss
Basic Piping Hydraulics
Open-Channel Flow
Flow Measurement
Review Questions/Problems
References and Recommended Readings
Fundamentals of Electricity
Nature of Electricity
Structure of Matter
Conductor, Semiconductor, and Insulators
Static Electricity
Magnetism
Difference in Potential
Current
Resistance
Battery-Supplied Electricity
Simple Electrical Circuit
Ohm’s Law
Electrical Power
Electrical Energy (Kilowatt-Hours)
Series DC Circuit Characteristics
Ground
Open and Short Circuits
Parallel D-C Circuits
Series-Parallel Circuits
Conductors
Electromagnetism
A-C Theory
Inductance
Practical Electrical Applications
Review Question
References and Recommended Reading
Hydraulic Machines: Pumps
Introduction
Basic Pumping Calculations
Centrifugal Pumps
Positive-Displacement Pumps
Review Questions
References and Recommended Reading
Water/Wastewater Conveyance
Delivering the Lifeblood of Civilization
Conveyance Systems
Definitions
Fluids vs. Liquids
Maintaining Fluid Flow in Piping Systems
Piping System Accessories
Piping Systems: Temperature effects and Insulation
Metallic Piping
Non-metallic Piping
Tubing
Industrial Hoses
Pipe and Tube Fittings
Valves
Piping Systems: Protective Devices
Piping Ancillaries
Review Questions
References and Recommended Reading
Part III Characteristics of Water
Basic Water Chemistry
Chemistry Concepts & Definitions
Chemistry Fundamentals
Water Solutions
Water Constituents
Common Water Measurements
Water Treatment Chemicals
Drinking Water Parameters: Chemical
Review Questions
References and Recommended Reading
Water Microbiology
Introduction
Microbiology: What is it?
Water/Wastewater Microorganisms
Key Terms
Microorganism Classification and Differentiation
The Cell
Bacteria
Protozoa
Microscopic Crustaceans
Viruses
Algae
Fungi
Nematodes and Flatworms
Water Treatment and Microbiological Processes
Wastewater Treatment and Biological Processes
Review Questions
References and Recommended Reading
Water Ecology
Introduction
What is Ecology?
Why is Ecology Important?
Why Study Ecology?
History of Ecology
Levels of Organization
Ecosystems
Energy Flow in the Ecosystem
Food Chain Efficiency
Ecological Pyramids
Productivity
Population Ecology
Steam Genesis and Structure
Benthic Life
Benthic Plants and Animals
Benthic Macroinvertebrates
Identification of Benthic Macroinvertebrates
Macroinvertebrates and the Food Web
Units of Organization
Typical Benthic Macroinvertebrates in Running Waters
Summary of Key Terms
Review Questions
References and Recommended Reading
Water Quality
Introduction
The Water Cycle
Water Quality Standards
Water Quality Characteristics of Water and Wastewater
Review Questions
References and Recommended Reading
Biomonitoring, Monitoring, Sampling, & Testing
What is biomonitoring?
Periphyton Protocols
Fish Protocols
Macroinvertebrate Protocol
Biological Sampling in Streams
Drinking Water Quality Monitoring
General Preparation and Sampling Considerations
Test Methods for Drinking Water and Wastewater
Review Questions
Reference and Recommended Reading
Part IV Water and Water Treatment
Potable Water Source
Introduction
Hydrologic Cycle
Sources of Water
Surface Water
Groundwater
Groundwater Under the Direct Influence of Surface Water
Surface Water Quality and Treatment Requirements
Public Water System Quality Requirements
Well Systems
Review Questions
References and Recommended Reading
Watershed Protection
Introduction
Current Issues in Water Management
What is a Watershed?
Watershed Protection and Regulations
A Watershed Protection Plan
Reservoir Management Practices
Watershed Management Practices
Tools of Watershed Protection
Review Questions
References and Recommended Reading
Water Treatment Operations
Introduction
Waterworks Operators
Purpose of Water Treatment
Stages of Treatment
Pretreatment
Coagulation
Flocculation
Sedimentation
Filtration
Arsenic Removal from Drinking Water
Who is Ultimately Responsible for Drinking Water Quality?
Review Questions
References and Recommended Reading
Part V Wastewater and Wastewater Treatment
Wastewater Treatment Operations
Wastewater Operators
Wastewater Terminology and Definitions
Measuring Plant Performance
Wastewater Sources and Characteristics
Wastewater Collection Systems
Preliminary Treatment
Primary Treatment (Sedimentation)
Secondary Treatment
Activated Sludge
Disinfection of Wastewater
Advanced Wastewater Treatment
Solids (Sludge/Biosolids) Handling
Permits, Records, and Report
Review Questions/Problems
References and Recommended Reading
Appendix A
Appendix B