I.S. EN ISO 11733:2004
Current
The latest, up-to-date edition.
WATER QUALITY - DETERMINATION OF THE ELIMINATION AND BIODEGRADABILITY OF ORGANIC COMPOUNDS IN AN AQUEOUS MEDIUM - ACTIVATED SLUDGE SIMULATION TEST
Hardcopy , PDF
English
01-01-2004
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Dates of withdrawal of national standards are available from NSAI.
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Test environment
6 Reagents
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
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