Chapter One
INTRODUCTION
Introduction Water composition Pure water Salts and ions in water Principal contaminants and ions in water and measurement methods Sources of water Water quality Water quality regulations legal structure Rules and regulations for water quality control Applications Sample problem Solution Drinking water quality standards: USA and international standards

INTRODUCTION
This course is almost all about water and its treatment. In it we will look at all the phases of the water environment, the types and characteristics, and contaminants. We will also discuss briefly various elements of hydrology and hydraulics, but only in enough detail, to permit you to get familiar with each subject and recognize some pitfalls and common mistakes chemical engineers make when they deal with the water environment.
We will also look at the ... read full excerpt from Practical Wastewater Treatment ebook