Water and Wastewater Engineering Design Principles and Practice, Second Edition by Mackenzie L. Davis

Water and Wastewater Engineering Design Principles and Practice, Second Edition by Mackenzie L. Davis

Preface of Water and Wastewater Engineering Design Principles and Practice, Second Edition by Mackenzie L. Davis.

This book is designed for use by professionals. The book covers the design of municipal water and wastewater facilities. I have assumed that the reader has had an introductory environmental engineering course and a first course in fluid mechanics. That is, I have assumed the reader is familiar with notation such as mg/L and acronyms such as BOD as well as the concepts of mass balance, Bernoulli’s equation, and friction loss. Because I could not assume that the reader has used either Introduction to Environmental Engineering or Principles of Environmental Engineering and Science, some material from those texts is used to introduce the subject matter included here. A Professional Advisory Board has provided its experience and expertise to vet the material in Water and Wastewater Engineering. The Board is composed of licensed engineers, a licensed geologist, and licensed treatment plant operators.

A short biographical sketch and affiliation for each Board member is presented following this Preface. The Board members have read and commented on all of the chapters. In addition, a number of operators have been interviewed to obtain hints on methods for improving designs. The book format is one that I used successfully over the 20 years that I taught the material.

The book starts with an overview of the design and construction process including the application of the code of ethics in the process. The first half of the book addresses water treatment. Because my course was built around a term design project, the subject matter follows the flow of water through the unit processes of coagulation, flocculation, softening (including NF and RO), sedimentation, filtration (including MF and UF), disinfection, and residuals management.

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The topics of wastewater treatment follow a similar pattern of following the flow through a plant, that is, preliminary treatment, primary treatment, secondary treatment, tertiary treatment, and residuals management. Special attention is given to the application of membranes. Each subject in each chapter is introduced with a discussion of the theoretical principles that are to be applied in the design of the unit process. In addition, in each chapter, appropriate design criteria from the Great Lakes–Upper Mississippi River Board of State and Provincial Public Health and Environmental Managers (known to the elders of the profession as the Ten State Standards) as well as alternative approaches from the literature are addressed.

The text features over 100 example problems, 500 end-of-chapter problems, and 300 illustrations. A highlight of the book is the inclusion of safety issues in the design requirements as well as operation and maintenance activities. “Hints from the Field” bring real-life experience to solving technical issues. For those using this book for a formal university-level course, an instructor’s manual is available online for qualified instructors.

Please inquire with your McGraw-Hill representative for the necessary access password. The instructor’s manual includes sample course outlines for both a one-semester option and a two-semester option, solved example exams, and detailed solutions to the end-of-chapter problems. In addition, there are suggestions for using the pedagogic aids in the text McGraw-Hill hosts a website at www.mhprofessional.com/wwe2e. It includes over 500 annotated photos of equipment and the construction process, as well as a primer on engineering economics and seminar presentations by professional engineers and operators. I appreciate any comments, suggestions, corrections, and contributions for future editions. Mackenzie L. Davis

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