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Principle of operation

Hydrocarbon separators are designed for treating rainwater, snowmelt and post-processing water from areas at risk of contamination with oil-derived substances. They are flow devices, i.e. they mechanically separate free oils and other emulsions from the rest of sewage as it flows through the installation. The separation process uses the differences in the density of hydrocarbons and water. Due to their mode of operation, the separators also retain a portion of the settling suspension, which accumulates in a settling chamber at the bottom of the unit.

The basis for proper operation of the separator is the proper determination of the nominal flow (amount of rainwater flowing through the device [L/s]). It determines basic features of the separator: size of the separation zone, collection capacity of light liquids, working level of the liquid, volume of the settling tank. Proper selection of these quantities determines proper precipitation of petroleum substances from rainwater flowing through the separator through surface phenomena, while allowing larger drops to float to the surface. This phenomenon is accelerated and supported by coalescing cartridges in class I separators.

Application

JPR AQUA hydrocarbon separators are designed for sewage treatment for flows from 1.5 L/s to 1000 L/s. The separators are manufactured according to the PN-EN 858 standard and are CE marked. They are used in facilities such as:

petrol stations,
car and truck washes,
agricultural and construction machinery washing plants,
automatic vehicle washes,
small and large car parks,
underground car parks,
roads and motorways,
scrap yards,
airports,
ports,
refineries,
fuel storage and distribution centres,
garages,
mechanical workshops,
car workshops,
industrial plants,
equipment bases,
urban catchment systems,
passenger service points,
logistics centres.

Advantages of hydrocarbon separators

products manufactured in compliance with PN-EN 858-1 standard,
proven effectiveness confirmed by tests by the manufacturer and a notified laboratory,
products complying with the European Union directives (CE mark),
possibility to set the units at large depths, in places of motor vehicle traffic, above ground level, as well as at high ground water table,
products easy to install (especially low weight) and operate,
optional equipment (sampling system, superstructures, automatic liquid level/oil film thickness sensors).

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the place of sewage inflow.

retains solid fractions (aggregates, gravel, sand, etc.), which are present in the sewage before entering the separation chamber. Our assortment includes a wide range of independent desilter, as well as integrated with the rest of the separator.

allows the separator to operate properly during heavy rainfall. During heavy rainfall the amount of sewage water entering the separator exceeds its nominal flow. When this level is exceeded, the excess of water flows through the by-pass, bypassing the coalescing filter. This method does not interfere with efficient treatment because the oil-derived substances are in the first run-off from the catchment and are eliminated by the coalescing insert. Separators equipped with a by-pass increase their flow from nominal to maximum by 5 or 10 times - depending on the type of device. Overflow from the settling chamber to the separation chamber.

from the settling chamber to the separation chamber.

a place responsible for capturing and storing oil-derived substances. The volume and construction of the chamber comply with requirements of PN EN 858-1 standard.

made of polypropylene (PP) with a cross-current flow structure. The active area of the insert depends on the nominal flow of the separator. A cubic metre of the insert is equivalent to an area of approximately 150 m2. Thanks to the effective active area, the device collects hydrocarbon particles that do not have sufficient volumetric mass to move to the upper part of the device on their own. The layer of hydrocarbons that forms with the coalescing filter – once it has reached a sufficient mass - flows in the accumulated particles to the water surface. The coalescing insert allows the discharge of pollutants not exceeding 5 mg of hydrocarbons per litre. The sewage treated in this way can be discharged directly into the natural environment.

a safety device preventing the leakage of petroleum substances into the further part of sewage system in the event of too infrequent removal of accumulated hazardous substances from the separator. Outlet stub pipe closed by a valve connected to a float tared to the specific gravity of hydrocarbons (0.85 mg/l).

connection enabling verification of the efficiency of the device by collecting material from the purified zone located in the body of the automatic closure.

allows to discharge the sewage into the further part of the sewerage system.

made of polyethylene and fitted with key locks. Designed for installation in pedestrian traffic areas (A15).

SWK

hydrocarbon separator with coalescing insert

Separators designed for facilities with a pre-installed or independent settling tank.

SWOK

hydrocarbon separator with desilter and coalescing insert

units for in-ground installation, for separating rainwater, snowmelt and post-processing water with a small quantity of sludge from petroleum substances.

SWOBK

hydrocarbon separator with desilter, by-pass and coalescing insert

separators for in-ground installation, for separating rainwater, snowmelt and post-processing water from oil-derived substances in large open areas.

SWODBK

hydrocarbon separator with desilter, increased by-pass and coalescing insert

separators for in-ground installation, for separating rainwater, snowmelt and post-processing water from oil-derived substances in very large open areas

SWDOK 2

hydrocarbon separator with doubled desilter and coalescing insert

designed for in-ground installation, for separating rainwater, snowmelt and post-processing water from oil-derived substances in catchment areas with increased sediment loads

SWDOK 3

hydrocarbon separator with tripled desilter and coalescing insert

designed for in-ground installation, for separating rainwater, snowmelt and post-processing water from oil-derived substances in catchment areas where increased amounts of sediment, sludge and mud are generated

SWOKP

hydrocarbon separator with desilter, coalescing insert and pump chamber

designed for in-ground installation, for separating rainwater, snowmelt and post-processing water from oil-derived substances in facilities where it is necessary to lift the sewage/technological effluent

Class I

The above-mentioned equipment is produced in the I class (in accordance with the harmonised standard PN-EN 858-1) – which means that the manufacturer guarantees a hydrocarbon concentration at the separator outlet of not more than 5 mg/l.

At the customer’s request it is possible to manufacture a hydrocarbon separator in the II class in compliance with the PN-EN 858-1 standard, i.e. with a guarantee of hydrocarbon reduction to a level below 100 mg/l.

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Possible adjustment

to the customer’s needs:

It is possible to adapt the separator to your expectations and needs – we are at your service.

SWOK

hydrocarbon separator with desilter and coalescing insert

Nominal flow range of the SWOK series:

1.5 L/s to 100 L/s

Degree of hydrocarbon reduction:

< 5 mg/l (separator class I according to EN 858-1)

Components of the SWOK type separators:

monolithic PE polyethylene tank,
deflector,
separator chamber,
separation chamber,
coalescing filter,
siphoned drain,
sampling system,
float with automatic closure,
ventilation,
PE polyethylene hatch with a lock.

Use of the SWOK type separators:

petrol stations,
scrap yards,
garages,
small car parks (including underground car parks),
passenger service points (MOP),
for separating process sewage:
- in mechanical workshops,
- in car repair shops,
- in industrial plants,
- in fuel storage and distribution centres,
- in equipment bases,
- in logistics centres.

Intended use of the SWOK type separators

designed for in-ground installation, they separate rainwater, snowmelt and post-process water containing small quantities of sludge from oil-derived substances.

Diagram of the SWOK (SWOK 6) type hydrocarbon separators

Schemat separatora węglowodorów typu SWOK (SWOK 6) - JPR-AQUA

MODEL	NOMINAL FLOW [L/s]	SEPARATOR CAPACITY [L]	DESILTER CAPACITY [L]	DIMENSIONS
				LENGTH – L [mm]	WIDTH – W [mm]	HEIGHT – H [mm]	CONNECTION DIAMETER – DN [mm]	INLET HEIGHT – H1 [mm]	OUTLET HEIGHT – H2 [mm]
SWOK 3	od 1,5 to 3	270	300	1720	990	1040	110	880	850
SWOK 6	6	540	600	2240	990	1040	160	880	850
SWOK 8	8	720	800	2930	990	1040	160	880	840
SWOK 10	10	900	1000	4230	990	1040	160	880	820
SWOK 15	15	1350	1500	4900	990	1040	200	880	820
SWOK 20	20	1800	2000	6240	990	1040	200	880	820
SWOK 30	od 25 to 30	2700	3000	3090	1810	2070	300	1700	1650
SWOK 40	od 35 to 40	3600	4000	4270	1810	2070	300	1700	1650
SWOK 60	od 45 to 60	5400	6000	6020	1810	2070	300	1700	1650
SWOK 70	od 65 to 70	6300	7000	6600	1810	2070	300	1700	1650
SWOK 80	od 75 to 80	7200	8000	7780	1810	2070	300	1700	1650
SWOK 90	od 85 to 90	8100	9000	8355	1810	2070	300	1700	1650
SWOK 100	od 95 to 100	9000	10000	9540	1810	2070	300	1700	1650

Please note! In the case of intermediate flow rates, the separator with the closest flow (greater than the design value) should be selected.

Please note! The manufacturer reserves the right to make changes resulting from technological progress.

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