A. INSTALLATION GUIDE 2. OPERATING PRINCIPLE OF ECOROCK 700->900 UNITS
PAGE
10 / 47
Installation and User guide – ECOROCK 700 to 900 Units – 05-12-2016
Minimum performance requirements of a Primary Tank*
2
:
Effluent PT
Average
EN 12566-6: 2008
BOD
5
:
100 - 350
mg O
2
/l
200 ± 50
mg O
2
/l
COD:
200 - 600
mg/l
S.S.:
40 - 150
mg/l
80 ± 20
mg/l
KN:
35 - 100
mg/l
NH
4
-N:
30 - 80
mg/l
P-Total:
4 - 20
mg/l
*
2
: The sampling should be done with a minimum 24 hour sampling
The effluent is easy biodegradable if the ratio of BOD
5
and COD is less than 2. Between 2 and 3 it is
partially biodegradable and greater than 3, the effluent is not biodegradable.