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 […]
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