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EN 12255-4:2002

Withdrawn
Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

Wastewater treatment plants - Part 4: Primary settlement
Withdrawn date

31-12-2002

Published date

16-01-2002

Publisher

Comite Europeen de Normalisation

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

This European Standard specifies 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.Differences in wastewater treatment throughout Europe have led to a variety of systems being developed. This standard gives fundamental information about the systems; this standard has not attempted to specify all available systems.Detailed information additional to that contained in this standard may be obtained by referring to the bibliography.

Committee
CEN/TC 165
DocumentType
Standard
PublisherName
Comite Europeen de Normalisation
Status
Withdrawn

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