EN 12255-14:2023

Wastewater treatment plants - Part 14: Disinfection

This document specifies design principles and performance requirements for disinfection of effluents (excluding sludge) at wastewater treatment plants serving more than 50 PT.
NOTE   Sludge disinfection is described in EN 12255-8.

Kläranlagen - Teil 14: Desinfektion

Dieses Dokument legt Planungsgrundsätze und Leistungsanforderungen für die Desinfektion von Abwässern (mit Ausnahme von Schlamm) in Kläranlagen mit einem EW über 50 fest.
ANMERKUNG   Die Schlammhygienisierung wird in EN 12255-8 beschrieben.

Stations d’épuration - Partie 14: Désinfection

Le présent document spécifie les principes de conception et les exigences de performance relatives à la désinfection des effluents (à l’exclusion des boues) pour les stations d’épuration desservant plus de 50 équivalents-habitants (EH).
NOTE   La désinfection des boues est décrite dans l’EN 12255-8.

Čistilne naprave za odpadno vodo - 14. del: Dezinfekcija

Ta dokument določa načela načrtovanja in zahteve za razkuževanje končne odpadne vode (z izjemo blata) v čistilnih napravah za odpadne vode za več kot 50 populacijskih ekvivalentov (PE).
OPOMBA:   Razkuževanje blata je opisano v standardu EN 12255-8.

General Information

• Status: Published
• Publication Date: 04-Jul-2023
• ICS: 13.060.30 - Sewage water
• Technical Committee: CEN/TC 165 - Waste water engineering
• Drafting Committee: CEN/TC 165/WG 40 - Wastewater treatment plants > 50 PT
• Current Stage: 6060 - Definitive text made available (DAV) - Publishing
• Start Date: 05-Jul-2023
• Due Date: 19-Sep-2022
• Completion Date: 05-Jul-2023
• Ref Project: SIST EN 12255-14:2023 - Wastewater treatment plants - Part 14: Disinfection

Relations

• Replaces: EN 12255-14:2003 - Wastewater treatment plants - Part 14: Disinfection
• Effective Date: 18-Jan-2023

Standards Content (Sample)

SLOVENSKI STANDARD
SIST EN 12255-14:2023
01-september-2023
Nadomešča:
SIST EN 12255-14:2004
Čistilne naprave za odpadno vodo - 14. del: Dezinfekcija
Wastewater treatment plants - Part 14: Disinfection
Kläranlagen - Teil 14: Desinfektion
Stations d’épuration - Partie 14 : Désinfection
Ta slovenski standard je istoveten z: EN 12255-14:2023
ICS:
13.060.30 Odpadna voda Sewage water
SIST EN 12255-14:2023 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN 12255-14:2023

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SIST EN 12255-14:2023


EN 12255-14
EUROPEAN STANDARD

NORME EUROPÉENNE

July 2023
EUROPÄISCHE NORM
ICS 13.060.30 Supersedes EN 12255-14:2003
English Version

Wastewater treatment plants - Part 14: Disinfection
Stations d'épuration - Partie 14: Désinfection Kläranlagen - Teil 14: Desinfektion
This European Standard was approved by CEN on 28 May 2023.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.

This European Standard exists in three official versions (English, French, German). A version in any other language made by
translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management
Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and
United Kingdom.





EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2023 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 12255-14:2023 E
worldwide for CEN national Members.

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SIST EN 12255-14:2023
EN 12255-14:2023 (E)
Contents Page
European foreword . 3
Introduction . 5
1 Scope . 7
2 Normative references . 7
3 Terms and definitions . 7
4 Symbols and abbreviations . 9
5 Design requirements . 10
5.1 General. 10
5.2 Planning . 11
5.2.1 General. 11
5.2.2 Level of disinfection . 11
5.3 Process design . 11
5.3.1 General. 11
5.3.2 UV radiation . 12
5.3.3 Ozonation . 13
5.3.4 Chlorination .
...