Q1) Determine the removal efficiency for a sedimentation basin with a critical overflow velocity of 2m³/m²h in treating a water containing particles whose settling velocities are distributed as given in the table below. Plot the particle histogram for the influent and effluent wastewater. Settling velocity ,m/h 0.0-0.5 0.5-1 1-1.5 1.5-2 2-2.5 2.5-3 3-3.5 3.5-4 Total Number of particles per liter × 10-5 30 50 90 110 100 70 30 20 500

Q1) Determine the removal efficiency for a sedimentation basin with a critical overflow velocity of 2m³/m²h in treating a water containing particles whose settling velocities are distributed as given in the table below. Plot the particle histogram for the influent and effluent wastewater. Settling velocity ,m/h 0.0-0.5 0.5-1 1-1.5 1.5-2 2-2.5 2.5-3 3-3.5 3.5-4 Total Number of particles per liter × 10-5 30 50 90 110 100 70 30 20 500

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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Determine the minimum dimension of a particle that can be completely removed from a settling chamber, if the rate of overflow is 30 m3/d/m2. Take specific gravity of particle equal to 2.65 and the dynamic viscosity equal to 1 x 10-5 Ns /m2.
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