Importance of Water Treatment

Water is a vital resource for industry and agriculture, as well as for domestic use. The ever-increasing demands for water are outstripping the supply in many places where abundant water was once taken for granted. It is therefore becoming increasingly important to recycle water whenever possible, to ensure that water returned to rivers or lakes is fit for reuse by someone else (as well as safe for aquatic life), and to learn how to make use of impure but abundant resources such as brackish water or even seawater. 

The value of the water treatment market has been estimated at 30 billion annually, worldwide. 

Therefore, the objectives of water treatment are (a) to prepare available water for use in boilers, chemical processes, and cooling systems, for laundry, and for domestic consumption, and (ft) to clean up wastewa- 

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Water treatment represents one of the largest single cost items of the entire project, being involved in at least the first three tasks listed above. The importance of water treatment derives mainly from the long period of time over which it is required at the various sites, the high flow rates at some sites and, partially, from the complex chemistry of the effluents for... 

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