Civil Engineering - Waste Water Engineering - Discussion

Discussion Forum : Waste Water Engineering - Section 6 (Q.No. 49)
49.
The normal values of over flow rates for secondary sedimentation tanks, ranges between
25, 000 to 35, 000 litres/sqm/day
40, 000 to 50, 000 litres/sqm/day
50, 000 to 60, 000 litres/sqm/day
80, 000 to 10, 000 litres/sqm/day
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
3 comments Page 1 of 1.

Kalloljit said:   5 years ago
What is the difference between primary and secondary sedimentation tank?
(1)

Abhik Majhi said:   5 years ago
For Primary it is 40-50.
For Secondary it is 35-45.
(1)

Mohd Manzoor said:   4 years ago
You are wrong here is the difference between only plain and secondary sedimentation tank

Plain sedimentation for normal 12000 to 18000 lt/m2/day.
For coagulant 24000 to 30000 lt/m2/day,

For secondary sedimentation tank.
Normal 25000 to 35000 lt/m2/day,
Using cogulant 50000 to 60000 lt/m2/day.

Post your comments here:

Your comments will be displayed after verification.