Summary Flotation - Drinking Water Treatment 1, TU Delft
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Course
Water Treatment
Institution
Water Treatment
Drinking Water Treatment 1
The course gives the technological backgrounds of treatment processes applied for production of drinking water. The treatment processes are demonstrated with laboratory experiments. Study goals: Knowledge of technological basics and design parameters of drinking water tr...
flocs: 100-1,000 µm
therefore interception A
D
0.1 air bubble B
C
0.01 transport mechanisms:
T = 10 oC
db = 40 µm A = diffusion
rd = 1,003 kg/m3
B = interception
0.001
0.01 0.1 1 10 100 1,000 C = inertia
floc size (µm) D = sedimentation
ηT ηTA ηD
ηs ηI
= floc = air
t= $t 2$t 3$t 4$t t= $t 2$t 3$t 4$t
, flotation water treatment
Framework
This module explains flotation
Contents
This module has the following contents:
1. Introduction
2. Principle
3. Theory
3.1 Saturation unit for the supply of air
3.2 Efficiency of the bubble filter in the filtration zone
3.3 Collision probability between bubbles and flocs in the filtration zone
3.4 Determination of the surface loading of the separation zone
4. Practice
4.1 Design parameters
4.2 Saturation
4.3 Flotation tank
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