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Water is the most useful and important resource of life. Our life depends on it. When waste water is treated to return this resource to the environment a semisolid, nutrient-rich by product called waste water sludge is produced. By Nadia Hassan. It contains 0.25 to 7% solids by weights.
Showing posts with label Waste water treatment. Show all posts
Showing posts with label Waste water treatment. Show all posts
Monday, March 31, 2014
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