Waste Water Engineering
Traps

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

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Waste Water Engineering
The clarigesters are

Circular Imhoff double tanks with bottom hoppers
Circular Imhoff double storey tanks without bottom hoppers
Circular septic tanks
Rectangular septic tanks

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