Isea - Standard Oil Trap - Wastewater Pre-treatment
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OIL TRAP
PRODUCT CATEGORY
OIL TRAP PRODUCT NAME
OIL TRAP APPLICATION
WASTEWATER PRE-TREATMENT OF CAR PARKS, GARAGE FLOORS, EQUIPMENT AND INDUSTRIAL YARDS. CAPACITY
2
FROM 50 TO 4500 m SURFACE
Certified Quality System
DESCRIPTION
ISEA grease trap is a receptacle entirely made of high density polyethylene designed for the preliminary treatment of wastewaters produced by mechanical workshops, car wash stations, petrol stations, car parks and other light industrial facilities. Non-emulsified oil is separated from the water by the physical process called floatation. The oil trap tanks is internally divided into two chambers: a floating area where oil and hydrocarbons are separated form the waste water by the phenomenon known as floatation (due to the different densities) and a settling area to allow the deposit on the bottom of the tank of suspended solids. The tank is designed with a volume suitable to provide an adequate residence time of the incoming wastewater. During this period oils and greases separate and float on the surface of the tank from where they can be easily removed. At the same time sand and debris can settle on the bottom of the tank. ISEA oil trap is provided with PVC inlet and outlet piping. Access to the plant is by two inspections portholes, one in the flotation chamber and the other by the outlet pipe. Both ports are protected by screw-on covers.
INSTALLATION
EXCAVATION
BACKFILLING
PIPING AND FITTINGS
Dig a hole of appropriate dimensions. The bottom of the excavation must be leveled and compacted with a 10 cm layer of fine sand (grain size 0-5 mm).
Fill the tank with clean water before backfilling to avoid collapse of the polyethylene structure during backfilling. Once the tank is full, dump sand around the tank and level it. For a walk-on solution build a 5 cm thick light concrete layer on top of the tank and finish with a 40 cm thick soil. For a drive-on solution a reinforced concrete slab is required to protect the tank. Accessible manholes are required for inspection and maintenance.
PVC pipes and fittings are utilized for connecting the oil trap to the inlet and outlet lines.
USE PERIODIC CHECKS Periodically verify that no large bodies obstruct the sewage inlet or outlet by opening the AND MAINTENANCE inspection ports. Also, check that no sand obstructs the outlet pipe. At least once a month check that the oil is not lower than the outlet pipe. Floating material must be removed periodically using a specialized company and disposed in appropriate sites.
76
screw-on cover
b
a ØE
ØU
DIMENSIONS & DESIGN
inert material removal
oil storage
E
U H HE
HU
D oil removal
inert material
OIL TRAP Code
Item
Q
Area
Capacity
D
H
a
b
Vsed
HE
HU
øE
øU
Weight
(l/s)
(m2)
(litri)
(cm)
(cm)
(mm)
(mm)
(m3)
(cm)
(cm)
(mm)
(mm)
(Kg)
0720
TIPO 400
0,20
50
400
80
80
-
300
0,12
60
55
110
100
25
0721
TIPO 800
0,70
150
600
80
120
-
300
0,16
100
95
110
100
30
0722
TIPO 1000
1,50
250
1000
120
120
-
400
0,27
100
95
110
100
42
0723
TIPO 1500
1,80
300
1500
120
150
-
400
0,41
128
123
125
125
62
0724
TIPO 2000
3,50
500
2000
120
190
-
400
0,68
168
163
125
125
83
0725
TIPO 3000
5,40
600
3000
160
185
200
400
0,80
147
142
125
125
106
0726
TIPO 4000
7,20
750
4000
160
235
200
400
1,20
197
192
140
140
136
0727
TIPO 5000
9,60
1000
5000
190
215
200
400
1,60
177
172
140
140
166
0728
TIPO 6000
12,00
1200
6000
190
255
200
400
2,00
217
212
160
160
210
0729
TIPO 8000
18,00
2400
8000
220
260
200
400
2,60
211
206
160
160
278
0730
TIPO 9000
21,00
3000
9000
220
285
200
400
3,20
236
231
160
160
330
0731
TIPO 10000
25,00
3600
10000
220
310
200
400
4,00
261
256
200
200
405
Code
0618
Item
TIPO 15000
Q
Area
Capacity
D
H
(m2)
øE
øU
(l/s)
(litri)
(cm)
(cm)
(cm)
HE
(cm)
(mm)
(mm)
(Kg)
30,00
4500
15000
225
440
400
394
200
200
442
HU
Weight
modello senza nervature
DESCRIPTION In case of sewer system, final discharge, the oil trap is designed as follows: NG = [(Qr) + (Qs) x (FQs)] x (Fd) Where Qr = rain water on paved surfaces Qs = polluted water coming, for example from car repair shops. The flow is determined on the basis of cleaningmachines FQs = density factor, ranging from 1 to 3, according to the specific weight of the pollutant minimum volume for sand storage is - 650 lt for flows up to 3 lt/s - 2500 lt for flows up to 10 lt/s - to be determined on the basis of specific coefficient for flows higher than 10 lt/s. It is possible to equipe the oil trap with an automatic oil discharge and complete the system with an oil absorbent chamber.
INFO Performance: The oil trap is designed in accordance with DIN 4040 and ISEA guarantees the removal of 90% of the floating materials. 77
PRODUCT CATEGORY
OIL TRAP PRODUCT NAME
OIL TRAP APPLICATION
WASTEWATER PRE-TREATMENT OF CAR PARKS, GARAGE FLOORS, EQUIPMENT AND INDUSTRIAL YARDS. CAPACITY
2
FROM 50 TO 4500 m SURFACE
Certified Quality System
DESCRIPTION
ISEA grease trap is a receptacle entirely made of high density polyethylene designed for the preliminary treatment of wastewaters produced by mechanical workshops, car wash stations, petrol stations, car parks and other light industrial facilities. Non-emulsified oil is separated from the water by the physical process called floatation. The oil trap tanks is internally divided into two chambers: a floating area where oil and hydrocarbons are separated form the waste water by the phenomenon known as floatation (due to the different densities) and a settling area to allow the deposit on the bottom of the tank of suspended solids. The tank is designed with a volume suitable to provide an adequate residence time of the incoming wastewater. During this period oils and greases separate and float on the surface of the tank from where they can be easily removed. At the same time sand and debris can settle on the bottom of the tank. ISEA oil trap is provided with PVC inlet and outlet piping. Access to the plant is by two inspections portholes, one in the flotation chamber and the other by the outlet pipe. Both ports are protected by screw-on covers.
INSTALLATION
EXCAVATION
BACKFILLING
PIPING AND FITTINGS
Dig a hole of appropriate dimensions. The bottom of the excavation must be leveled and compacted with a 10 cm layer of fine sand (grain size 0-5 mm).
Fill the tank with clean water before backfilling to avoid collapse of the polyethylene structure during backfilling. Once the tank is full, dump sand around the tank and level it. For a walk-on solution build a 5 cm thick light concrete layer on top of the tank and finish with a 40 cm thick soil. For a drive-on solution a reinforced concrete slab is required to protect the tank. Accessible manholes are required for inspection and maintenance.
PVC pipes and fittings are utilized for connecting the oil trap to the inlet and outlet lines.
USE PERIODIC CHECKS Periodically verify that no large bodies obstruct the sewage inlet or outlet by opening the AND MAINTENANCE inspection ports. Also, check that no sand obstructs the outlet pipe. At least once a month check that the oil is not lower than the outlet pipe. Floating material must be removed periodically using a specialized company and disposed in appropriate sites.
76
screw-on cover
b
a ØE
ØU
DIMENSIONS & DESIGN
inert material removal
oil storage
E
U H HE
HU
D oil removal
inert material
OIL TRAP Code
Item
Q
Area
Capacity
D
H
a
b
Vsed
HE
HU
øE
øU
Weight
(l/s)
(m2)
(litri)
(cm)
(cm)
(mm)
(mm)
(m3)
(cm)
(cm)
(mm)
(mm)
(Kg)
0720
TIPO 400
0,20
50
400
80
80
-
300
0,12
60
55
110
100
25
0721
TIPO 800
0,70
150
600
80
120
-
300
0,16
100
95
110
100
30
0722
TIPO 1000
1,50
250
1000
120
120
-
400
0,27
100
95
110
100
42
0723
TIPO 1500
1,80
300
1500
120
150
-
400
0,41
128
123
125
125
62
0724
TIPO 2000
3,50
500
2000
120
190
-
400
0,68
168
163
125
125
83
0725
TIPO 3000
5,40
600
3000
160
185
200
400
0,80
147
142
125
125
106
0726
TIPO 4000
7,20
750
4000
160
235
200
400
1,20
197
192
140
140
136
0727
TIPO 5000
9,60
1000
5000
190
215
200
400
1,60
177
172
140
140
166
0728
TIPO 6000
12,00
1200
6000
190
255
200
400
2,00
217
212
160
160
210
0729
TIPO 8000
18,00
2400
8000
220
260
200
400
2,60
211
206
160
160
278
0730
TIPO 9000
21,00
3000
9000
220
285
200
400
3,20
236
231
160
160
330
0731
TIPO 10000
25,00
3600
10000
220
310
200
400
4,00
261
256
200
200
405
Code
0618
Item
TIPO 15000
Q
Area
Capacity
D
H
(m2)
øE
øU
(l/s)
(litri)
(cm)
(cm)
(cm)
HE
(cm)
(mm)
(mm)
(Kg)
30,00
4500
15000
225
440
400
394
200
200
442
HU
Weight
modello senza nervature
DESCRIPTION In case of sewer system, final discharge, the oil trap is designed as follows: NG = [(Qr) + (Qs) x (FQs)] x (Fd) Where Qr = rain water on paved surfaces Qs = polluted water coming, for example from car repair shops. The flow is determined on the basis of cleaningmachines FQs = density factor, ranging from 1 to 3, according to the specific weight of the pollutant minimum volume for sand storage is - 650 lt for flows up to 3 lt/s - 2500 lt for flows up to 10 lt/s - to be determined on the basis of specific coefficient for flows higher than 10 lt/s. It is possible to equipe the oil trap with an automatic oil discharge and complete the system with an oil absorbent chamber.
INFO Performance: The oil trap is designed in accordance with DIN 4040 and ISEA guarantees the removal of 90% of the floating materials. 77
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