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Oil Water Separator Technology

Oil–water separators remove free and emulsified hydrocarbons from process water, wash-down streams, and stormwater runoff. Our coalescing plate separator (CPS) and dissolved air flotation (DAF) designs achieve effluent oil concentrations below 5 mg/L, meeting the most stringent environmental discharge standards.

Coalescing plate packs increase separation surface area within a compact footprint, while automatic oil-skimming and sludge-removal systems minimise operator intervention. ATEX-rated options are available for refinery, petrochemical, and offshore applications where explosive atmospheres may be present.

Specifications & Operating Parameters

Flow Range

1 – 500 m³/hr

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Inlet Oil

Up to 5,000 mg/L

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Retention Time

15 – 60 minutes

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Plate Spacing

12 – 25 mm (coalescing type)

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Materials

Carbon steel (epoxy-lined), SS304, SS316

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Skimmer

Automatic belt, tube, or drum skimmer

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Configuration

Above-ground tank, below-ground vault, or API-style

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Where This Equipment Is Used

Proven across a wide range of industrial water and wastewater treatment processes.

Petroleum Refining

Processing sour water, tank bottoms, and refinery wastewater.

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Metalworking

Treating coolant water and effluent from machining and fabrication.

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Vehicle Wash

Recycling and treating water from commercial vehicle washing facilities.

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Food Processing

Removing solids, FOG, and organic load from food industry wastewater.

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Power Generation

Treating boiler feed water, cooling water, and flue gas scrubber blowdown.

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Aviation

Fuel handling and wash water treatment for airports and aviation facilities.

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Related Processes

This equipment is commonly integrated into the following treatment processes.

Oil-Water Separation

Hydrocarbon removal from wastewater.

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DAF Systems

Flotation for emulsified oil removal.

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Desalination Plants

RO protection from oil contamination.

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Mining & Minerals

Fuel and lubricant spill recovery.

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Related Equipment

Explore complementary equipment within our product range.

DAF Flotation

For emulsified oil after gravity separation.

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Lamella Separator

For solids separation downstream.

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Activated Carbon Filter

Polishing for dissolved organics.

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Oil Skimmer

Belt and tube skimmers.

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Industries We Serve

Our expertise spans multiple industries with sector-specific water treatment solutions.