Environmental Engineering

14

WATER TREATMENT SYSTEMS

14.1 INTRODUCTION

Water is not only essential for life but also is required as an important raw material for various industrial and other economic services. The beneficial uses of water include domestic, industrial, recreational and agricultural. Obviously, the quality of water required for each use is different and usually the water available to us, either from the surface water or ground water sources does not satisfy all the water quality criteria and standards. Hence, the water treatment is essential to remove or reduce the concentration of objectionable substances to a level where it becomes, suitable for particularly beneficial use. The type and extent of treatment required to produce potable and palatable water ...