Wastewater treatment plants Measurement of the oxygen transfer in clean water in aeration tanks of activated sludge plants
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Standard number:
BS EN 12255-15:2003
Pages:
20
Released:
2003-12-17
ISBN:
0 580 43094 4
Status:
Standard
DESCRIPTION
BS EN 12255-15:2003
This standard BS EN 12255-15:2003 Wastewater treatment plants is classified in these ICS categories:
13.060.30 Sewage water
This part of this European standard specifies the non-steady state measurement of the oxygen transfer capacity and the oxygen transfer efficiency of aeration tanks (see prEN 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 it may not be applicable for certain aeration installations. NOTE 3: Under process conditions with mixed liquor the oxygen transfer capacity and the oxygen transfer efficiency may be different from the clean water test results.
