As the world’s population has increased, sources of clean water have decreased, shifting the focus toward pollution reduction and control. Disposal of wastes and wastewater without treatment is no longer an option. Fundamentals of Wastewater Treatment and Engineering introduces readers to the essential concepts of wastewater treatment, as well as the engineering design of unit processes for the sustainable treatment of municipal wastewater.
Filling the need for a textbook focused on wastewater, it first covers history, current practices, emerging concerns, and pertinent regulations and then examines the basic principles of reaction kinetics, reactor design, and environmental microbiology, along with natural purification processes. The text also details the design of unit processes for primary, secondary, and advanced treatment as well as solids processing and removal. Using detailed calculations, it discusses energy production from wastewater.
Comprehensive and accessible, the book addresses each design concept with the help of an underlying theory, followed by a mathematical model or formulation. Worked-out problems demonstrate how the mathematical formulations are applied in design. Throughout, the text incorporates recent advances in treatment technologies.
Based on a course taught by the author for the past 18 years, the book is designed for undergraduate and graduate students who have some knowledge of environmental chemistry and fluid mechanics. Readers will get a strong grounding in the principles and learn how to design the unit processes used in municipal wastewater treatment operations. Professionals in the wastewater industry will also find this a handy reference.
Contents
Sustainable Wastewater Treatment and Engineering
Introduction and history
Current practice
Emerging issues
Future directions
Regulatory requirements
References
Reaction Kinetics and Chemical Reactors
Reaction kinetics
How to forder of a reaction
Zero order reaction
First order reaction
Second order reaction
Reactors
Batch reactor
Continuous-flow stirred tank reactor
Reactors in series
Semibatch or semiflow reactors
Problems
References
Wastewater Microbiology
Introduction
Bacteria
Archaea
Protozoa
Algae
Fungi
Virus
Problems
References
Natural Purification Processes
Impurities in water
Dilution
Sedimentation
Microbial degradation
Measurement of organic matter
Dissolved oxygen balance
Problems
References
Wastewater Treatment Fundamentals
Introduction
Sources of wastewater
Wastewater constituents
Wastewater treatment methods
Levels of wastewater treatment
Residuals and biosolids management
Flow diagrams of treatment options
Types of biological treatment processes
Problems
References
Pre...