SPEL Puraceptor

SPEL Puraceptor is a full retention separator that treats all flows. It is to be sized to contain more than the anticipated maximum oil spillage — enabling it to be fully operational in treating stormwater runoff at all times.

It has two chambers, a coalescer and is fitted with an automatic closure device specifically designed to contain major oil spills, thereby making it suitable for high-risk applications. It achieves a water discharge quality of less than 5mg light liquids per litre, complying with European Standard BS EN 858.1. 2006.

Treatable flow rates range from 2LPS to 200LPS. Pipe sizes range from 100mm to 450mm (larger sizes on request).

SPEL Puraceptor
SPEL Puraceptor
Guaranteed hydrocarbon spill capture in all flow and spill conditions
  • Power Stations
  • Substations & Switchyards
  • Mining and Heavy Vehicles
  • Windfarms
  • Renewable Energy
  • Waste Transfer Depots
  • Re-Fuelling Areas
  • Service Stations
  • Asphalt Plants

The Automatic Closure Device (A.C.D.) is precisely engineered to be sensitive to any change in water density, as a consequence of light liquids build up. This automatically activates a process of depressing the A.C.D. to shut off the separator, preventing pollutants from discharging to drains and waterways

All liquid is treated. There is no by-pass operation.

Provides a coalescing process for the separation of smaller globular light liquid pollutants to reduce the light liquid content in the outlet to 5mg/litre or less.

This provides minimum turbulence and prevents fire and inflammable vapours passing through to the drainage system.

A non-turbulent flow, through two horizontal treatment chamber, utilises the underflow principle to retain light liquids in all flow conditions.

  • Containment chamber: Where Total Suspended Solids (TSS) silt, sediments, sludge and gross pollutants are trapped and settle on the chamber floor and where light liquids are contained.

  • Coalescer chamber: Where light liquids separation is enhanced reducing it to 5mg/litre or less prior to discharge.

Will function in the event of power failure and fits into existing pipe drainage systems or new sites.

Easy and safe, with no entering of the tank required.

Cleaning and Maintenance

Coalescer units are easy to maintain and easily washable even without maintenance for years.

It provides a coalescing process for the separation of smaller globular light liquid pollutants to reduce the light liquid content in the outlet to 5mg/litre or less.



  • Coalescer Guiderails
  • Facilitates easy insertion
  • Manufactured in stainless steel
  • Incorporated into SPEL Puraceptors and SPEL Stormceptors Class 1
  • Fixed brackets
  • Fixed stainless steel guide rail
  • Unit guided at correct angle into conical base

Hydraulics and Typical Configurations

In a single chamber oil-water separator, the Coalescer is exposed to the hydrocarbon spill and therefore treatment efficacy is compromised.

In a spill situation, the single chamber system will not retain the stormwater discharge quality that these systems are installed for.


The single chamber is a cost effective unit for use on service stations, however the application should be carefully selected.

These systems are suitable for use within areas that will not receive direct rainfall (under canopy) as they can only treat low flows.

The other cost to weigh up is that they have no guarantee discharge quality in the situation of a spill.

Two chamber are Better than One!


As the 2 chamber Puraceptor has been tested and proven in Australia, both in the lab and field, it complies with Australian regulations and guidelines and will provide a guaranteed water quality in spill conditions.

Due to the superior Coalescer design and the fact that the Auto Closure Device (ACD) operates as a separate function to the Coalescer, the 2 chamber Puraceptor is the choice of over 99% of sites in Australia.


  • Guaranteed water quality in spill conditions
  • Tested & proven in Australia both lab and field
  • Suitable for high risk areas
  • Superior Coalescer design
  • Auto Closure Device to protect the Coalescer
  • Enough Spill Containment Capacity during storm event
  • Considerable saving on Pump out Costs
  • Easy & cheap maintenance
  • Oil Alert Probe for Safety
  • Flame Trap
  • Functional in tidal condition
  • Minimum turbulence


  • Cannot guarantee to maintain BS EN 858 water quality in major spill scenario
  • Medium risk oil/fuel storage and handling areas
  • Cheaper option but high risk of failure in water quality when major spill occurs
  • Coalescer not protected from spill and therefore water quality discharge cannot be guaranteed
  • Pump out saving
  • Oil Alert Probe for Safety
  • Limited Spill Containment Capacity
  • Reduced Treatment Zone
  • No “Quiescent” Zone


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In Action

The proof is in the pudding. We invite you to take a moment to review our case studies, projects, videos and images showcasing the SPEL Puraceptor.

Innovative Solution for VIC Desalination Project

Location: Wonthaggi, Victoria Customer: Thiess Degremont Joint Venture, working for the Victorian Government Problems: A desalination plant in an environmentally sensitive area Products: 3 x …

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SPEL Puraceptor
SPEL Puraceptor installed at Caltex Mudgeeraba

  Project: Caltex Mudgeeraba, 24 Railway Street, Mudgeeraba, QLD Products: 1 x SPEL Puraceptor

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Two Big Puraceptors Installed at Amberley RAAF base Fuel Farm

  Project: 2 x Puraceptors at Amberley RAAF base Fuel Farm Location: Amberley RAAF base Fuel Farm Products: SPEL Puraceptor

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Asphalt plant in Penrith Council. Completed November 2018.

  Council: Penrith Council Products: SPEL Puraceptor Problem SPEL supplied a hydrocarbon separation device with a spill capacity of 12,000L for this site.

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Service station in Northern Beaches Council. Completed TBD.

  Council: Northern Beaches Council Products: SPEL Puraceptor Problem SPEL supplied one of its Puraceptor hydrocarbon separator units to the site. The unit treats runoff …

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Complete Stormwater Management Solution for Shell Altona North – From Design through to Maintenance

  Products: SPEL Puraceptor, SPEL Stormsack, and SPEL Hydrosystem Council: Hobsons Bay Council   The Problem The Victorian State Planning guidelines have changed and now …

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Hydrocarbon Runoff Treatment & Algae Control – SPEL

Location: Bendigo Region, Central Victoria Customer: Fire-fighting Training Centre Problems: Hydrocarbon loadings, algae, high TSS Configuration: A Products: Treatment Train consisting of a off-Line SPEL …

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Protecting the Victorian Desalination Plant and Coastline from Oil spills and Pollution

Location: Wonthaggi Victoria Configuration: A Products: 3 x SPEL Puraceptor Inlet/Outlet size: Inlet with 225mm Stainless steel flanges Treatment Flow Rate: 40LPS These systems have …

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Pollution Prevention Project for Petrol site in Yeppoon QLD

  Products: SPEL Puraceptor, SPEL Stormsack, and SPEL Hydrosystem Council: Hobsons Bay Council   Project Update SPEL Stormwater Puraceptor, StormSack and SPELFilter treatment train stopping …

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Another successful project by SPEL Stormwater and Hutchinson Builders

  Products: SPEL Puraceptor, SPEL StormSacks , SPEL Filters and the 164KL detention tank. The Project SPEL Stormwater has completed yet another succesful project with …

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A horizontally configured two-chamber Stormwater Quality Improvement Device (SQUD) with a gravity enhancing coalescer unit.


A non-blocking hydrodynamic separator with a unique screen and treatment action - producing low vortex conditions and high water quality.



A combination of the Stormceptor and Puraceptor functionality in one device, treating both high and low risk catchment areas.


Highly engineered devices deployed directly into the stormwater system to capture contaminants close to the surface for ease of maintenance.

How we can help

Work with our experienced team of engineers and consultants on your next WSUD or stormwater treatment project.

Design assistance, complimentary modelling, installation, and maintenance packages. Contact us for an obligation free quote.

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