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Norm
ÖNORM EN 12255-15
Issue date: 2004 05 01
Wastewater treatment plants - Part 15: Measurement of the oxygen transfer in clean water in aeration tanks of activated sludge plants
This European Standard specifies the non-steady state measurement of the oxygen transfer rate and the
oxygen transfer efficiency of aeration systems in activated sludge ...
Valid
§ Legal References
Publisher:
Austrian Standards International
Format:
Digital | 19 Pages
Language:
German
| English
| Download GER/ENG
Optionally co-design standards:
ICS
This European Standard specifies the non-steady state measurement of the oxygen transfer rate and the
oxygen transfer efficiency of aeration systems in activated sludge aeration tanks (see EN 12255-6) when filled
with clean water.
NOTE 1 This is known as the clean water test.
NOTE 2 Since the method is based on completely mixed tanks or tanks with evenly distributed aerators or diffusers
test results from certain aeration installations can be incorrect.
NOTE 3 Under process conditions with mixed liquor the oxygen transfer rate and the oxygen transfer efficiency can be
different from the clean water test results. This is expressed by the a-factor.
ÖNORM EN 12255-15
2004 05 01
Wastewater treatment plants - Part 15: Measurement of the oxygen transfer in clean water in aeration...
Norm
↖
ÖNORM M 5888
1998 03 01
Measurement of oxygen transfer of aeration equipment in clean water and activated sludge
Norm
ÖNORM M 5888
1979 05 01
Sewage treatment plants; oxygenation capacity of aeration equipment, determined in clean water
Norm
Norm
Issue date :
2007 06 01
Wastewater treatment - Vocabulary (multilingual version: de/en/fr)
Norm
Issue date :
1993 06 01
Water quality - Determination of dissolved oxygen - Elektrochemical probe method (ISO 5814:1990)
