BS EN 12255-16:2021

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Wastewater treatment plants – Physical (mechanical) filtration

Published By	Publication Date	Number of Pages
BSI	2021	26

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Categories: 13.060.30 - Sewage water, BSI

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Description

This document specifies design principles and performance requirements for tertiary clarification (receiving effluent from secondary treatment) by physical filtration plant at wastewater treatment plants serving more than 50 PT.

NOTE 1

Ultrafiltration, nanofiltration and reverse osmosis are not covered within the scope of this document as they are not considered to be used for tertiary clarification.

NOTE 2

Soil filtration is not covered in this document.

NOTE 3

Activated carbon filtration is excluded from the scope of this document as it is not considered to be a form of mechanical filtration.

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PDF Pages	PDF Title
2	undefined
7	1 Scope 2 Normative references 3 Terms and definitions
9	4 Symbols and abbreviations
10	5 Requirements 5.1 General 5.2 Process types 5.2.1 Deep bed filtration 5.2.1.1 General
11	5.2.1.2 Batch filtration 5.2.1.3 Continuous filtration 5.2.2 Surface filtration 5.2.3 Pilecloth filtration 6 Planning
12	7 Process design 7.1 Design factors 7.2 Selection of filter media 7.2.1 General
13	7.2.2 Deep bed filters 7.2.3 Surface filters 7.3 Cleaning systems 7.3.1 General
14	7.3.2 Deep bed filters 7.3.3 Surface filters 7.4 Dimensions 7.4.1 General
15	7.4.2 Deep bed filters 7.4.3 Surface Filters 7.5 Flow distribution 7.5.1 General 7.5.2 Deep bed filters 7.5.3 Surface filters
16	7.6 Construction principles 7.6.1 General 7.6.2 Deep bed filters 7.6.3 Surface filters
17	7.6.4 Materials 7.7 Mechanical and electrical equipment 7.7.1 General 7.7.2 Deep bed filters
18	7.7.3 Surface filters 7.7.4 System controls 7.7.5 Performance monitoring
19	7.8 Additional considerations 7.8.1 Maintenance 7.8.2 Protection of the equipment 7.9 Hazard protection
20	Annex A (informative)Filter dimensioning table

Additional information

Status	Definitive
Pages	26
Publication Date	2021-08-03
ISBN	978 0 539 02917 8
Standard Number	BS EN 12255-16:2021
Title	Wastewater treatment plants – Physical (mechanical) filtration
Identical National Standard Of	EN 12255-16
Replaces	BS EN 12255-16:2005
Descriptors	Sewage treatment works, Filters (sewage treatment), Mechanical separation, Waterworks, Filtration, Water treatment, Waste handling
Publisher	BSI
Committee	B/505/40
ICS Codes	13.060.30 - Sewage water

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BS EN 12255-16:2021

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