in a city,there are seperate pipes for disposing sewage and storm water.Why is this necessary?
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sewage water is a unusable form of water.. where as storm water can be purified and utilised. so inorder to preserve storm water .
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hey mate
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Separate sewerage consists in the separate collection of municipal wastewaters and surface run-off . The separate collection prevent the overflow of sewer systems and treatment stations during rainy periods and the mixing of the relatively little polluted surface run-off with chemical and microbial pollutants from the municipal wastewater. The design of the sewers and the (semi-) centralised treatment stations thus needs to consider the volume of the wastewater only and the surface run-off and rainwater can be reused (e.g. for landscaping or agriculture) after a simplified treatment.
here is Your answer
Separate sewerage consists in the separate collection of municipal wastewaters and surface run-off . The separate collection prevent the overflow of sewer systems and treatment stations during rainy periods and the mixing of the relatively little polluted surface run-off with chemical and microbial pollutants from the municipal wastewater. The design of the sewers and the (semi-) centralised treatment stations thus needs to consider the volume of the wastewater only and the surface run-off and rainwater can be reused (e.g. for landscaping or agriculture) after a simplified treatment.
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