excellent supplemental college textbook for environmental biotechnology
courses [3].
This book was published by the Water Environment Federation (Alexandria, VA)
and prepared by a WEF task force under the direction of the Plant Operations and
Maintenance Subcommittee of the Technical Practice Committee (TPC). Congratulations are deserved for task force chair Barton Jones, the 26 task force members,
TPC chair Eric Rothstein, the 28 TPC control group members, and the 15 outstanding
biological wastewater treatment experts for a job well done.
The table of contents of this book introduces the knowledge to be learned by
readers and gives credits to the dedicated scholars who have contributed to the book
chapters. Some of the chapter topics are activated sludge process fundamentals,
process control methods for the secondary clarifier, advanced concepts in nutrient
removal, and process simulators.
All topics in the book are important for design, operation, and learning of the
activated sludge process and nutrient removal. Contributing authors are all experienced and qualified biotechnologists, professional engineers, or educators. The task
force chair/editor did an excellent job; all chapters are very smooth in terms of
presentation although each chapter is contributed by different authors.
This five-star book includes an updated process control section, with step-by-step
examples for calculations; a new laboratory chapter, with detailed directions for
common process control tests; and an introduction to using modeling for process
control. Design engineers, facility managers, operators, educators, students, and
researchers may find this book very useful because they may be guided through
selecting an appropriate sludge age, calculating wasting rates, optimizing return
activated sludge flow, managing clarifier blankets, and setting dissolved oxygen
and oxidation-reduction potential set points.
This book has many other useful features and benefits. For instance, both US
customary and international metric units are adopted. There are ample figures, tables,
equations, and practical examples for illustration and explanation of theories, principles, biochemistry, microbiology, and engineering applications of activated sludge
process and nutrient removal. Practice questions with answers have been added to
the end of each chapter to help the reader enhance his or her understanding of the
material and retain information vital to solving performance problems and improving operations. The book also discussed such modern activated sludge processes as
membrane bioreactors and sequencing batch bioreactors. Updated references are
provided in each chapter for further study by researchers.
The reviewers cannot find any shortcomings. However, future items to include to
further enhance these resources are a list of symbols and acronyms, conversion
factors, a glossary, and examples of other modern secondary clarification, such as
secondary dissolved air flotation clarification.
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