Waste Water Engineering
Traps

Create symphonic action to increase the quick disposal of sewerage
Are water seals which prevent the entry of foul gases
Are used to trap the rats entering sewers
Dissolve the foul gases

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Waste Water Engineering
Nitrogen cycle of sewage, is

Formation of nitrates-formation of nitrites-liberation of nitrates-liberation of nitrates
Liberation of nitrogen-formation of nitrates-formation of nitrites-liberation of ammonia
Liberation of nitrogen-liberation of ammonia-formation of nitrites- formation of nitrates
Liberation of ammonia-formation of nitrites-formation of nitrates-liberation of nitrogen

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