BIOLOGY IN HUMAN WELFARE
MICROBES IN HUMAN WELFARE
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
After the clarification step in wastewater treatment, the solid waste called ____ is sold off and the liquid waste called ____ moves on the be filtered and disinfected
|
|
sewage and dirty water
|
|
|
sludge and effluent
|
|
|
effluent and slude
|
|
|
dirty water and sewage
|
Explanation:
Detailed explanation-1: -Primary Clarification During this step, solids floating at the surface and other large particles from the water or wastewater flow are removed before biological treatment. Sludge is settled to the bottom of the clarifier basins and collected by a rake and removed by a sludge removal system.
Detailed explanation-2: -Dewatering – The dewatering process is the final step of wastewater solids treatment.
Detailed explanation-3: -The residue that accumulates in sewage treatment plants is called sludge (or biosolids). Sewage sludge is the solid, semisolid, or slurry residual material that is produced as a by-product of wastewater treatment processes.
There is 1 question to complete.