The sources and the quality of raw water determine the type of treatments to be undertaken. For example, if the water is drawn from deep tube-wells, coagulation and filtration are not necessary. Only softening may be necessary where the water is hard, or aeration where the water contains excessive iron taste or odour. For surface […]
How to Treat Water for Public Supply?
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Treatment of Industrial Effluents: Primary, Secondary and Tertiary
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After reading this article you will learn about the primary, secondary and tertiary treatment of industrial effluents. Primary Treatment of Industrial Effluents: It is of general nature and is used for removing suspended solids, odour, colour and to neutralize the high or low pH. It involves methods of: (i) Screening (ii) Neutralization (iii) Equalization (iv) […]
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Top 5 Elemental Cycles Involved in the Treatment of Sewage
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This article throws light upon the top five elemental cycles involved in the treatment of sewage. The elemental cycles are: 1. Calcium Cycle 2. Carbon Cycle 3. Nitrogen Cycle 4. Phosphorus Cycle 5. Sulphur Cycle. Treatment of Sewage: Elemental Cycle # 1. Calcium Cycle: The surface run off from rivers, lakes, streams, seas etc. is […]