ABSTRACT

To properly operate a waterworks or wastewater treatment plant and to pass the examination for a waterworks/wastewater operator's license, it is necessary to know how to perform certain calculations. All operators, at all levels of licensure, need a basic understanding of arithmetic and problem-solving techniques to solve the problems they typicall

chapter 1|14 pages

Pumping Calculations

chapter 2|20 pages

Water Source and Storage Calculations

chapter 3|22 pages

Coagulation and Flocculation Calculations

chapter 4|18 pages

Sedimentation Calculations

chapter 5|26 pages

Filtration Calculations

chapter 6|14 pages

Water Chlorination Calculations

chapter 7|16 pages

Fluoridation

chapter 8|16 pages

Water Softening

chapter 9|44 pages

Water Treatment Practice Calculations.

chapter |40 pages

Appendix: Solutions to Chapter 9 Problems

chapter |6 pages

Index

chapter |2 pages

Half Title

chapter |1 pages

Title Page

chapter |1 pages

Copyright Page

chapter |6 pages

Contents

chapter |4 pages

Preface

chapter |2 pages

Author

chapter 1|8 pages

Introduction

chapter 2|80 pages

Basic Units of Measurement and Conversions

chapter 3|6 pages

Sequence of Operations

chapter 4|10 pages

Fractions, Decimals, and Percent

chapter 5|2 pages

Rounding and Significant Digits

chapter 6|2 pages

Powers of Ten and Exponents

chapter 7|4 pages

Averages (Arithmetic Mean) and Median

chapter 8|16 pages

Solving for the Unknown

chapter 9|4 pages

Ratios and Proportions

chapter 10|26 pages

Electrical Calculations

chapter 11|16 pages

Circumference, Area, and Volume

chapter 14|26 pages

Pumping Calculations

chapter 15|12 pages

Water Source and Storage Calculations

chapter 16|28 pages

Water/Wastewater Laboratory Calculations

chapter 17|10 pages

Basic Mathemathics Practice Problems

chapter |6 pages

Index

chapter |2 pages

Half Title

chapter |1 pages

Title Page

chapter |1 pages

Copyright Page

chapter |8 pages

Contents

chapter |2 pages

Author

chapter 1|20 pages

Flow, Velocity, and Pumping Calculations

chapter 2|10 pages

Preliminary Treatment Calculations

chapter 3|8 pages

Primary Treatment Calculations

chapter 4|6 pages

Trickling Filter Calculations

chapter 5|6 pages

Rotating Biological Contactors

chapter 6|16 pages

Activated Biosolids

chapter 7|6 pages

Treatment Ponds

chapter 8|16 pages

Chemical Dosage

chapter 10|6 pages

Biosolids Thickening Calculations

chapter 11|8 pages

Biosolids Digestion

chapter 12|20 pages

Biosolids Dewatering and Disposal

chapter 13|14 pages

Water/Wastewater Laboratory Calculations

chapter 14|58 pages

Wastewater Treatment Practice Calculations