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S.R. CWA 15897:2008

Withdrawn
Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

View Superseded by
withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

SUBMERGED MEMBRANE BIOREACTOR (MBR) TECHNOLOGY
Available format(s)

Hardcopy , PDF

Withdrawn date

13-05-2021

Language(s)

English

Published date

01-01-2008

Preview

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 General system - requirements
   4.1 Basic considerations
   4.2 Pre-treatment and internal sieving
   4.3 Characteristics of biological systems used in MBR plants
        4.3.1 General
        4.3.2 Mixed liquor suspended solids (MLSS)
        4.3.3 Hydraulic retention time (HRT (or detention time))
        4.3.4 Sludge age (or sludge retention time (SRT))
        4.3.5 Chemical phosphorus removal
        4.3.6 Aeration
   4.4 Membrane filtration system
   4.5 Mixed liquor recirculation
   4.6 Permeate extraction system
   4.7 Desired effluent quality
5 Material characteristics
   5.1 General
   5.2 Porous membranes
6 Configuration
   6.1 Flat Sheet
   6.2 Hollow fibre
7 Design and operating parameters
   7.1 General
   7.2 Influent characteristics
   7.3 Fouling
   7.4 Transmembrane pressure
   7.5 Permeability
   7.6 Integrity
8 Acceptance, commissioning and monitoring tests
9 Information and Documentation
10 Interchangeability
   10.1 Principle
   10.2 General
   10.3 Process flow diagram (PFD)
   10.4 Scope of supply
   10.5 Interchangeability aspects
        10.5.1 General
        10.5.2 Membrane type
        10.5.3 Layout
        10.5.4 Tank
        10.5.5 Draining and flushing
        10.5.6 Integrity check
        10.5.7 Accessibility and maintainability
        10.5.8 Chemical cleaning
        10.5.9 Process control system (PLC)
Annex A (normative) Information and documentation
Annex B (informative) Example for clean water permeability test
      B.1 Abstract
      B.2 Materials and methods
          B.2.1 Measuring apparatus
          B.2.2 Measuring procedure
Annex C (informative) Example for vacuum leak test
      C.1 Abstract
      C.2 Materials and methods
          C.2.1 Measuring apparatus
          C.2.2 Measuring procedure
Annex D (informative) Example for pore diameter measurement
      D.1 Abstract
      D.2 Materials and methods
          D.2.1 Latex solution
          D.2.2 Measuring apparatus
          D.2.3 Measuring procedure
Annex E (informative) Paper filtration measurement
      E.1 Objective
      E.2 Measuring method
Annex F (informative) Impact of pore size distribution on
        membrane fouling
Bibliography

Describes terms commonly used in the field of membrane bioreactor technology.

DocumentType
Standard
Pages
51
PublisherName
National Standards Authority of Ireland
Status
Withdrawn
SupersededBy

EN 12255-10:2000 Wastewater treatment plants - Part 10: Safety principles
EN 872:2005 Water quality - Determination of suspended solids - Method by filtration through glass fibre filters
EN 12255-6:2002 Wastewater treatment plants - Part 6: Activated sludge process
EN 12255-13:2002 Wastewater treatment plants - Part 13: Chemical treatment - Treatment of wastewater by precipitation/flocculation
EN 12255-11:2001 Wastewater treatment plants - Part 11: General data required
DIN 58355-2:2005-01 MEMBRANE FILTERS - PART 2: TESTING FOR BUBBLE POINT
EN 12255-1:2002 Wastewater treatment plants - Part 1: General construction principles
EN 1085:2007 Wastewater treatment - Vocabulary

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