The disposal of sewage without treatment or after treatment may be carried out by the following two methods: 1. Dilution or the Disposal of Sewage in Water 2. Land Treatment or the Disposal of Sewage on Land. Method # 1. Disposal by Dilution: In this method, the raw sewage or the treated sewage (or the […]
How to Dispose Sewage: 2 Methods | Waste Management
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Self-Purification of Natural Streams | Sewage Treatment | Waste Management
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When sewage is discharged into a natural stream or river, the organic matter present in the sewage gets oxidized by bacteria and converted to simple, inoffensive, stable substances. In this process of oxidation the dissolved oxygen (DO) content of the river or stream water is utilized. Due to this deficiency of dissolved oxygen is created […]
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Flow Diagrams of Sewage Treatment Plants | Waste Management
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The process flow sheet or flow diagram is a graphical representation of the sequence in which various unit operations and unit processes are adopted for treatment of sewage at any sewage treatment plant. The design of process flow sheet involves selection of an appropriate combination of various unit operations and unit processes to achieve a […]