INSTALLATION

USE

DESCRIPTION

CAPACITY

PRODUCT CATEGORY

PRODUCT NAME

APPLICATION

OIL TRAP

WASTEWATER PRE-TREATMENT OF CAR PARKS, GARAGE FLOORS, EQUIPMENT AND INDUSTRIAL YARDS.

FROM 50 TO 4500 m SURFACE 2

76

Certified QualitySystem

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 andfloat 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.

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).

EXCAVATION

Fill the tank with clean water before backfilling to avoid collapse of the polyethylene structureduring 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.

BACKFILLING

PVC pipes and fittings are utilized for connecting the oil trap to the inlet and outlet lines.PIPING AND FITTINGS

PERIODIC CHECKS Periodically verify that no large bodies obstruct the sewage inlet or outlet by opening the 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.

AND MAINTENANCE

OIL TRAPOIL TRAPOIL TRAP

INFO

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oil removal

oil storage

inert material

screw-on cover

inert material removal

In case of sewer system, final discharge, the oil trap is designed as follows: NG = [(Qr) + (Qs) x (FQs)] x (Fd)WhereQr = 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.

Performance:

The oil trap is designed in accordance with DIN 4040 and ISEA guarantees the removal of 90% of the floating materials.

DESCRIPTION

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

modello senza nervature

Code Item Q Area Capacity D H HE HU øE øU Weight(l/s) (m2) (litri) (cm) (cm) (cm) (cm) (mm) (mm) (Kg)

0618 TIPO 15000 30,00 4500 15000 225 440 400 394 200 200 442

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