ONORM EN 12255-4 : 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Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by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 4: PRIMARY SETTLEMENT
01-12-2013
01-20-2024
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements
4.1 General
4.2 Planning
4.3 Process
4.3.1 General
4.3.2 Required Capacity
4.3.3 Upward Flow Tanks (including Imhoff
Tanks)
4.3.4 Horizontal Flow Tanks
4.3.5 Lamella Separator
4.3.6 Sludge Collection and Removal
4.3.7 Scum Removal
4.4 Maintenance
4.5 Health and Safety
Bibliography
Describes the performance requirements for the primary settlement of wastewater at wastewater treatment plants for over 50 PT. The primary application is for wastewater treatment plants designed for the treatment of domestic and municipal wastewater.
| Committee |
TC 120
|
| DocumentType |
Standard
|
| PublisherName |
Osterreichisches Normungsinstitut/Austrian Standards
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| BS EN 12255-4:2002 | Identical |
| NF EN 12255-4 : 2002 | Identical |
| NEN EN 12255-4 : 2002 | Identical |
| SN EN 12255-4 : 2002 | Identical |
| NBN EN 12255-4 : 2002 | Identical |
| UNE-EN 12255-4:2002 | Identical |
| I.S. EN 12255-4:2002 | Identical |
| NS EN 12255-4 : 1ED 2002 | Identical |
| EN 12255-4:2002 | Identical |
| DIN EN 12255-4:2002-04 | Identical |
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