NEN EN 12255-6 : 2002
Current
The latest, up-to-date edition.
WASTEWATER TREATMENT PLANTS - PART 6: ACTIVATED SLUDGE PROCESS
12-01-2013
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements
4.1 General
4.2 Planning
4.3 Flow-splitting structure
4.4 Biological reactor
4.4.1 Design
4.4.2 Operational parameters
4.4.3 Mixing
4.4.4 Aeration
4.4.5 Additional considerations
4.5 Clarifiers
4.5.1 General
4.5.2 Design
4.6 Return and surplus sludge systems
Annex A (informative) Design-Technical process
characteristics
Bibliography
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