Waste Water Engineering - Engineering
Q1: The detention time (t) of a settling tank, may be defined as the time required forA
a particle to travel along its length
B
a particle to travel from top surface to bottom sludge zone
C
the flow of sewage to fill the tank
D
none of these.
ANS:C - the flow of sewage to fill the tank The detention time (t) of a settling tank is defined as the time required for the flow of sewage or wastewater to fill the tank. Detention time is a critical parameter in wastewater treatment processes as it determines the amount of time wastewater spends in a treatment unit. It affects various aspects of treatment efficiency, including sedimentation, flocculation, and biological processes. So, the correct option is: the flow of sewage to fill the tank. |
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