Name: EN ISO 11733 : 2004
Brand: CEN

WATER QUALITY - DETERMINATION OF THE ELIMINATION AND BIODEGRADABILITY OF ORGANIC COMPOUNDS IN AN AQUEOUS MEDIUM - ACTIVATED SLUDGE SIMULATION TEST

Published date

01-08-2004

Publisher

Comite Europeen de Normalisation

Foreword
1 Scope
2 Normative references
3 Definitions
4 Principle
5 Test environment
6 Reagents and materials
7 Apparatus
8 Procedure
   8.1 General
   8.2 Preparation of the inoculum
   8.3 Performance of the test
9 Calculation and expression of results
   9.1 Calculation of the degree of elimination
   9.2 Expression of results
   9.3 Indication of biodegradation
   9.4 Biodegradation of the organic medium
10 Validity of the test
11 Test report
Annex A (informative) Modification of the activated sludge
                      simulation test for nitrifying-denitrifying
                      sewage treatment plants
Annex B (informative) Coupling of the test units (optional)
Annex C (informative) Test systems
Annex D (informative) Effects of sludge retention time on effluent
                      concentration
Annex E (informative) Example of an elimination/degradation curve
Bibliography

Define a method for the determination of the elimination and the biodegradability of organic compounds by aerobic micro-organisms.

Committee	CEN/TC 230
DocumentType	Standard
PublisherName	Comite Europeen de Normalisation
Status	Current

Standards	Relationship
NEN EN ISO 11733 : 2004	Identical
UNI EN ISO 11733 : 2004	Identical
NF EN ISO 11733 : 2004	Identical
ISO 11733:2004	Identical
BS EN ISO 11733:2004	Identical
UNE-EN ISO 11733:2005	Identical
SN EN ISO 11733 : 1999	Identical
NS EN ISO 11733 : 2ED 2004	Identical
PN EN ISO 11733 : 2007	Identical
I.S. EN ISO 11733:2004	Identical
NBN EN ISO 11733 : 2004	Identical
DIN EN ISO 11733:2004-11	Identical

ISO 18749:2004	Water quality — Adsorption of substances on activated sludge — Batch test using specific analytical methods
ISO 11923:1997	Water quality — Determination of suspended solids by filtration through glass-fibre filters
ISO 9509:2006	Water quality Toxicity test for assessing the inhibition of nitrification of activated sludge microorganisms
ISO 14593:1999	Water quality Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium Method by analysis of inorganic carbon in sealed vessels (CO2 headspace test)
ISO 5663:1984	Water quality — Determination of Kjeldahl nitrogen — Method after mineralization with selenium
ISO 9439:1999	Water quality Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium Carbon dioxide evolution test
ISO 7875-1:1996	Water quality — Determination of surfactants — Part 1: Determination of anionic surfactants by measurement of the methylene blue index (MBAS)
ISO 11732:2005	Water quality — Determination of ammonium nitrogen — Method by flow analysis (CFA and FIA) and spectrometric detection
ISO 9408:1999	Water quality — Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium by determination of oxygen demand in a closed respirometer
ISO 8245:1999	Water quality Guidelines for the determination of total organic carbon (TOC) and dissolved organic carbon (DOC)
ISO 5814:2012	Water quality — Determination of dissolved oxygen — Electrochemical probe method
ISO 6060:1989	Water quality — Determination of the chemical oxygen demand
ISO 10304-2:1995	Water quality Determination of dissolved anions by liquid chromatography of ions Part 2: Determination of bromide, chloride, nitrate, nitrite, orthophosphate and sulfate in waste water
ISO 15522:1999	Water quality Determination of the inhibitory effect of water constituents on the growth of activated sludge microorganisms
ISO/TR 15462:2006	Water quality Selection of tests for biodegradability
ISO 7875-2:1984	Water quality — Determination of surfactants — Part 2: Determination of non-ionic surfactants using Dragendorff reagent
ISO 5667-16:2017	Water quality — Sampling — Part 16: Guidance on biotesting of samples
ISO 8192:2007	Water quality Test for inhibition of oxygen consumption by activated sludge for carbonaceous and ammonium oxidation
ISO 10634:1995	Water quality Guidance for the preparation and treatment of poorly water-soluble organic compounds for the subsequent evaluation of their biodegradability in an aqueous medium
ISO 10523:2008	Water quality — Determination of pH