Decentralised Wastewater Treatment Systems (DEWATS) - Tecnun

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6.5
6.5.1
6.5.2
6.5.3
6.5.4
6.5.5
6.6
6.6.1
6.6.2
6.6.3
6.6.4
7
7.1
7.1.1
7.1.2
7.1.3
7.1.4
7.1.5
7.1.6
Implementation phase
Task planning
Quality management
Construction
Pre-commissioning test
Parallel training measures
Operation phase
Start operation
Operation & maintenance
Use of biogas
Monitoring and evaluation
DEWATS components & design principies
Basics of wastewater treatment
Definitions: pollution & treatment
Biological treatment
Aerobic - anaerobic
Physical treatment processes
Elimination of pollutants
Ecology and self-purification in nature
1~8
118
120
121
123
123
124
124
126
129
131
132
132
132
133
135
136
141
145
8
8.1
8.1.1
8.1.2
Treatment in DEWATS
Parameters for wastewater-treatment
Control parameters
Dimensioning parameters
design
150
152
153
163
9
9.1
9.2
9.2.1
9.2.2
9.2.3
9.2.4
9.2.5
9.2.6
Technical components
Overview of DEWATS components
DEWATS modules
Grease trap and grit chamber
Septic tank
Fully mixed digester
Imhoff tank
Anaerobic baffled reactor
Anaerobic filter
168
168
176
176
177
182
184
187
191