Source: http://www.hrrsa.org/tours/virtual-tour Questions refer to the treatment of the liquid waste water. How is the activated sludge removed? Why does the treatment facility add chlorine to the...

Source:http://www.hrrsa.org/tours/virtual-tour

Questions refer to the treatment of the liquid waste water.

1. How is the activated sludge removed?


2. Why does the treatment facility add chlorine to the water?


3. What is the purpose of aerating the water before it is released?