Vurdering af etablerede forsøg med opsamling, rensning og genanvendelse af gråvand til toiletskyl
Figure F:
Purification Efficiency
Plant Purification Efficiency (Average)
Parameter
Genbrugs-
fabrikken,
Århus
”UV-radiation”
Baldersgade
20-22
Virklund Afd.
47, Silkeborg
Microbiological
Evaluation of Greywater
Treatment Systems
/19/
Microbiological
parameters:
Max. Value
(1)
Min. Value
(1)
Enterococci
-
-
17-79%
99,9%
89%
Bacterial count
(growth at 37°C )
99,9%
99,9%
73-79%
-
-
Bacterial count
(growth at 22oC)
-
-
47-83%
99,9%
91%
Coliform bacteria
>99%
97-99,9%
43%
-
-
Termotolerant coliform
bacteria
>99%
>99,9%
-
-
-
Chemical
parameters:
BOD
84%
92-94%
0-91%
-
-
COD
-
67-87%
90%
31%
Note: (1)
The efficiency is based on ”Max. Value” and ”Min. Value” for a total of four plants
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