WASTEWATER TREATMENT PLANTS - PRIMARY SETTLEMENT

Superseded date

30-03-2023

Published date

01-07-2002

Publisher

Ente Nazionale Italiano di Unificazione (UNI)

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	CT 33
DocumentType	Standard
PublisherName	Ente Nazionale Italiano di Unificazione (UNI)
Status	Superseded
SupersededBy	UNI EN 12255-4:2023

Standards	Relationship
BS EN 12255-4:2002	Identical
NF EN 12255-4 : 2002	Identical
NEN EN 12255-4 : 2002	Identical
DIN EN 12255-4:2002-04	Identical
SN EN 12255-4 : 2002	Identical
NBN EN 12255-4 : 2002	Identical
UNE-EN 12255-4:2002	Identical
NS EN 12255-4 : 1ED 2002	Identical
I.S. EN 12255-4:2002	Identical
EN 12255-4:2002	Identical
ONORM EN 12255-4 : 2002	Identical

View more information

Sorry this product is not available in your region.

Access your standards online with a subscription

Features

Simple online access to standards, technical information and regulations.
Critical updates of standards and customisable alerts and notifications.
Multi-user online standards collection: secure, flexible and cost effective.

Learn more on subscription solutions

Get in touch with us

UNI EN 12255-4 : 2002

WASTEWATER TREATMENT PLANTS - PRIMARY SETTLEMENT

Table of Contents

Abstract

General Product Information

International Equivalents

Category

Subcategory