Wastewater Treatment Plant Operations Made Easy

A Practical Guide for Licensure (Revised Edition)

Frank Spellman and Joanne Drinan

978-1-60595-622-0, June 2019, 244 pages, 6×9, softcover

  • Updated format and edited for clarity
  • Wastewater technologies and math presented in basic, understandable terms
  • Clear, full explanations of unit processes from screening to activated sludge
  • Math review focused on wastewater plant and licensure test calculations
  • Questions and quizzes designed for exam preparation
  • Numerous drawings and solved problems illustrating key ideas

This book gives plant operators and students of wastewater a simple and math-based introduction to all major unit processes in the modern wastewater treatment plant.
Written with plant personnel in mind, the book furnishes easy-to-understand explanations of each step in treating wastewater–from screening, through sedimentation and settling, to activated sludge.

The work is designed for operators and managers to run plants and to advance their careers by passing state licensure exams. Sample questions and problems in the text have been selected to prepare for operator examinations.

Each chapter of the book is devoted to fully clarifying a unit process, and includes sample questions and problems.

The book opens with a review of math, as this is applied to wastewater calculations. Many sample problems throughout give the reader an opportunity to practice and apply math formulas in realistic wastewater situations. Step-by-step descriptions of math problems show the reader how to arrive at the correct answer. The Chapter lineup has been preserved in this edition.

Many practical tips and sample quizzes are furnished to help operators studying on their own and in courses.

Written in a readable, non-technical style, this text is designed to explain wastewater technologies using down-to-earth approaches comprehensible to students. At the same time, it provides complete definitions of the key technical terms a wastewater operator needs to know.

TABLE OF CONTENTS

Preface

Chapter 1: INTRODUCTION

  • 1.1. Setting the Stage
  • 1.2. Wastewater Treatment: The Process
  • 1.3. Wastewater Treatment: The Model
  • 1.4. Wastewater Treatment: Terminology and Definitions
  • 1.5. The Bottom Line
  • 1.6. Chapter 1: Self-Test

Chapter 2: WASTEWATER MATH

  • 2.1. Basic Math
  • 2.2. Calculation Steps
  • 2.3. Sequence of Operations
  • 2.4. Fractions
  • 2.5. Decimals
  • 2.6. Rounding Numbers
  • 2.7. Determining Significant Figures
  • 2.8. Powers
  • 2.9. Averages
  • 2.10. Ratio
  • 2.11. Percent
  • 2.12. Units and Conversions
  • 2.13. Table of Equivalents, Formulae and Symbols
  • 2.14. Practical Wastewater Treatment Math Operations
  • 2.15. Key Terms Used in this Chapter
  • 2.16. Chapter 2: Self-Test

Chapter 3: WASTEWATER SOURCES AND CHARACTERISTICS

  • 3.1. Sources of Wastewater
  • 3.2. Types of Wastewater
  • 3.3. Wastewater Characteristics
  • 3.4. Wastewater Hydraulics
  • 3.5. Key Terms Used in this Chapter
  • 3.6. Chapter 3: Self-Test

Chapter 4: PRELIMINARY TREATMENT

  • 4.1. The First Step
  • 4.2. Screening
  • 4.3. Shredding
  • 4.4. Grit Removal
  • 4.5. Key Terms Used in this Chapter
  • 4.6. Chapter 4: Self-Test

Chapter 5: PRIMARY SEDIMENTATION

  • 5.1. Primary Treatment
  • 5.2. Sedimentation
  • 5.3. Process Control Calculations
  • 5.4. Sedimentation: Expected Performance
  • 5.5. Key Term Used in this Chapter
  • 5.6. Chapter 5: Self-Test

Chapter 6: SECONDARY TREATMENT PROCESSES

  • 6.1. Secondary Treatment
  • 6.2. Wastewater Treatment Ponds
  • 6.3. Trickling Filters
  • 6.4. Rotating Biological Contactors (RBCs)
  • 6.5. Key Terms Used in this Chapter
  • 6.6. Chapter 6: Self-Test

Chapter 7: ACTIVATE D SLUDGE

  • 7.1. Biological Treatment Processes
  • 7.2. Activated Sludge Process
  • 7.3. Activated Sludge Modifications
  • 7.4. Activated Sludge Process Operation
  • 7.5. Activated Sludge Process Control Calculations
  • 7.6. Key Terms Used in this Chapter
  • 7.7. Chapter 7: Self-Test

Chapter 8: DISINFECTION

  • 8.1. Control of Waterborne Diseases
  • 8.2. Chlorination for Disinfection
  • 8.3. Chlorination Chemicals
  • 8.4. Chlorination Operation
  • 8.5. Key Terms Used in this Chapter
  • 8.6. Chapter 8: Self-Test

Chapter 9: WASTEWATER SOLIDS PROCESSING

  • 9.1. Wastewater Solids Treatment
  • 9.2. Purpose of Solids Treatment
  • 9.3. Solids Treatment Methods
  • 9.4. Solids Thickening
  • 9.5. Solids Stabilization
  • 9.6. Solids Dewatering
  • 9.7. Solids Handling Process Control Calculations
  • 9.8. Key Terms Used in this Chapter
  • 9.9. Chapter 9: Self-Test

Chapter 10: SAMPLING, TESTING, AND REPORTING

  • 10.1. Determining the Objectives of Sampling
  • 10.2. Wastewater Sampling
  • 10.3. Wastewater Testing Methods
  • 10.4. Reporting
  • 10.5. Key Terms Used in this Chapter
  • 10.6. Chapter 10: Self-Test

Chapter 11: COMPREHENSIVE REVIEW EXAM

Appendix A: Answers to Chapter Self-Test Questions

Appendix B: Answers to Comprehensive Review Exam

Appendix C: Commonly Used Formulae in Wastewater Treatment

Index

Wastewater Treatment Plant Operations Made Easy (Entire eBook)
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Chapter 1: INTRODUCTION
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Chapter 2: WASTEWATER MATH
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Chapter 3: WASTEWATER SOURCES AND CHARACTERISTICS
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Chapter 4: PRELIMINARY TREATMENT
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Chapter 5: PRIMARY SEDIMENTATION
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Chapter 6: SECONDARY TREATMENT PROCESSES
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Chapter 7: ACTIVATED SLUDGE
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Chapter 8: DISINFECTION
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Chapter 9: WASTEWATER SOLIDS PROCESSING
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Chapter 10: SAMPLING, TESTING, AND REPORTING
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Chapter 11: COMPREHENSIVE REVIEW EXAM
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