For a coagulation basin designed to treat 0.05 m3/s of 20oC surface water, a) What volume is required if the detention time is 10 seconds? b) Determine the power input required for the tank if the velocity gradient is 700 s-1. c) Explain in your own words why coagulation is typically performed in-line (e.g., in a pipe) or using an impeller mixer while flocculation is often performed using paddle wheel mixers

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Collection Systems

The collection systems form a part of sanitary engineering, which is a sub-branch of civil engineering. It is also known as public health engineering and wastewater engineering. It is a methodology followed to remove and properly dispose of human waste, along with creating systems to provide safe and clean usable water. These measures ensure a hygienic and disease-free community. Sanitary engineering, apart from building sewer disposal units, is also involved in plumbing, fire protection, hydraulics, life safety, environmental protection, information technology, microbiology, pathology, and so on.