en
47
1 Inspection pit (provided by installer)
2 Imhoff tank (for Depurbox MAXI and DUO)
3 Depurbox
4 DBF
filter
5 Sampling pit (provided by installer)
10.11. Examples of alternative installations
If there is insufficient space for the treatment station to be installed in a straight line, different layouts can be devised provided pipe unions
with wide bends are used to assure correct operation.
10.12 Technical
specifications
10.12.1 Depurbox
Model
Operating parameters
BASE MAXI DUO
Type of premises
Residential
Number of equivalent inhabitants
up to
5 10 20
Per capita water supply
Litres/head/day
200
Daily discharge volume
m
3
1 2 4
Total useful volume
litres
1150 2050 3770
Primary settlement volume
litres
200 900 1470
Oxidation-nitrification volume
litres
750 950 1900
Secondary settlement volume
litres
200 200 400
Primary settlement time
hours
~
1
~
2
~
2
Secondary settlement time
hours
>
2
Settlement rising speed
m/h 0.3
Average flow per hour
l/h 60
125
250
Maximum flow per hour
l/h
120 250 500
Pump power
W 550
550
1100
Daily organic load
kgBOD5/day 0,3 0,6 1,2
Volumetric organic load
kgBOD5/m
3
day 0,4 0,63
0,63
Supplied oxygen factor
KgO
2
/kgBOD5
>
2,5
Organic pollution
GrBOD5/head/day 60
BOD5 concentration (outlet)
mg/l
<
30
Treatment efficiency
% 90
10.12.2
Degreaser
Model
Operating parameters
DGS 50 DGS 100
DGS 150
Number of meals per day
n°/day
50 100 150
Quantity of fat per meal
grams
7
Total quantity of fat
Kg/day
0.35 0.7 1.05
Unit water flow
litres/meal/day
30
Total flow
litres/day
1500 3000 4500
Operating hours
hours/day
10
Fat separation time
minutes
20
Maximum flow per hour
m
3
/h 0.23
0.45
0.68
Maximum instantaneous flow
l/min 7.5
15
22.5
Rated volume of tank
litres
2000 2500 5000
DPBOX_M0030_A_SC
DPBOX_M0029_OT
D
PBOX_M
00
36_OT
