I.S. EN 12255-6:2002
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
WASTEWATER TREATMENT PLANTS - PART 6: ACTIVATED SLUDGE PROCESS
Hardcopy , PDF
06-07-2023
English
01-01-2002
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Dates of withdrawal of national standards are available from NSAI.
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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
Specifies the performance requirements for treatment of wastewater using the activated sludge process for plants over 50 PT.
| DocumentType |
Standard
|
| Pages |
16
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| NF EN 12255-6 : 2002 | Identical |
| BS EN 12255-6:2002 | Identical |
| UNE-EN 12255-6:2003 | Identical |
| NEN EN 12255-6 : 2002 | Identical |
| UNI EN 12255-6 : 2002 | Identical |
| EN 12255-6:2002 | Identical |
| NBN EN 12255-6 : 2002 | Identical |
| SN EN 12255-6 : 2002 | Identical |
| DIN EN 12255-6:2002-04 | Identical |
| NS EN 12255-6 : 1ED 2002 | Identical |
| ONORM EN 12255-6 : 2002 | Identical |
| DIN 19551-1:2002-12 | WASTEWATER TREATMENT PLANTS - RECTANGULAR TANKS - PART 1: SETTLEMENT TANKS WITH SLUDGE SCRAPER, SUCTION TYPE SLUDGE REMOVER AND CHAIN SCRAPER - TYPES, MAIN DIMENSIONS, EQUIPMENTS |
| EN 12255-10:2000 | Wastewater treatment plants - Part 10: Safety principles |
| EN 12255-11:2001 | Wastewater treatment plants - Part 11: General data required |
| ATV-DVWK-A 131 : 2000 | DIMENSIONING OF SINGLE-STAGE ACTIVATED SLUDGE PLANTS |
| DIN 19552:2002-12 | WASTEWATER TREATMENT PLANTS - CIRCULAR TANKS - SETTLEMENT TANKS WITH SLUDGE SCRAPER, SUCTION TYPE SLUDGE REMOVER AND THICKENER, MAIN DIMENSIONS, EQUIPMENT |
| EN 12255-4:2002 | Wastewater treatment plants - Part 4: Primary settlement |
| EN 12255-1:2002 | Wastewater treatment plants - Part 1: General construction principles |
| DIN 19569-2:2016-02 (Draft) | WASTEWATER TREATMENT PLANTS - PRINCIPLES FOR THE DESIGN OF STRUCTURES AND TECHNICAL EQUIPMENT - PART 2: SPECIFIC PRINCIPLES FOR THE EQUIPMENT FOR SEPARATING AND THICKENING OF SOLIDS (WITHOUT FACILITIES FOR SEPARATION AND TREATMENT OF SAND) |
| ATV A 122 : 1991 | PRINCIPLES FOR DIMENSIONING, CONSTRUCTION AND OPERATION OF SMALL SEWAGE TREATMENT PLANTS WITH AEROBIC BIOLOGICAL PURIFICATION STAGE FOR CONNECTION VALUES BETWEEN 50 AND 500 TOTAL NUMBER OF INHABITANTS AND POPULATION EQUIVALENTS |
| DWA-M 209 : 2007 | MEASUREMENT OF THE OXYGEN TRANSFER IN ACTIVATED SLUDGE AERATION TANKS WITH CLEAN WATER AND IN MIXED LIQUOR |
| ATV A 126 : 1993 | PRINCIPLES FOR WASTEWATER TREATMENT IN SEWAGE TREATMENT PLANTS ACCORDING TO THE ACTIVATED SLUDGE PROCESS WITH JOINT SLUDGE STABILISATION WITH CONNECTION VALUES BETWEEN 500 AND 5000 TOTAL NUMBER OF INHABITANTS AND POPULATION EQUIVALENTS |
| EN 1085:2007 | Wastewater treatment - Vocabulary |
| DIN 19569-3:2002-12 | WASTEWATER TREATMENT PLANTS - PRINCIPLES FOR THE DESIGN OF STRUCTURES AND TECHNICAL EQUIPMENT - PART 3: SPECIFIC PRINCIPLES FOR THE EQUIPMENT FOR AEROBICAL BIOLOGICAL WASTEWATER TREATMENT |
| PREN 12255-12 : DRAFT 2001 | WASTEWATER TREATMENT PLANTS - PART 12: CONTROL AND AUTOMATION |
| DIN 19558:2002-12 | WASTEWATER TREATMENT PLANTS - OUTLET INSTALLATIONS, WEIR AND SCUM BAFFLE, SUBMERGED EFFLUENT PIPES IN TANKS - CONSTRUCTION PRINCIPLES, MAIN DIMENSIONS, LAYOUT |
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