2-5 - Determine the removal efficiency for a sedimentation basin with a critical velocity Vo of 2 m/h in treating a wastewater containing particles whose settling velocities are distributed as given in the table below (sample number to be selected by instructor). Plot the particle histogram for the influent and effluent wastewater. Answer 81% Vavg, m/h No. Particles 0.0 – 0.5 20 0.5 – 1.0 40 1.0 – 1.5 80 1.5 – 2.0 120 2.0 – 2.5 100

2-5 - Determine the removal efficiency for a sedimentation basin with a critical velocity Vo of 2 m/h in treating a wastewater containing particles whose settling velocities are distributed as given in the table below (sample number to be selected by instructor). Plot the particle histogram for the influent and effluent wastewater. Answer 81% Vavg, m/h No. Particles 0.0 – 0.5 20 0.5 – 1.0 40 1.0 – 1.5 80 1.5 – 2.0 120 2.0 – 2.5 100

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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The storm drains system transports rainwater or stormwater and other runoff from roads, parking lots, and roof downpipes directly to nearby creeks, rivers, or the sea without any treatment.

Question

2-5 - Determine the removal efficiency for a sedimentation basin with a critical velocity Vo of 2
m/h in treating a wastewater containing particles whose settling velocities are distributed as
given in the table below (sample number to be selected by instructor). Plot the particle
histogram for the influent and effluent wastewater. Answer 81%
Vavg, m/h
No. Particles
0.0 – 0.5
20
0.5 – 1.0
40
1.0 – 1.5
80
1.5 – 2.0
120
2.0 – 2.5
100
2.5 – 3.0
70
3.0 – 3.5
20
3.5 – 4.0
10
4.0 – 4.5
3

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