Toxfree offers a suite of PFAS treatment methods for decontaminating and destroying PFAS in water, soil, and foam.

Toxfree PFAS Treatment

The chemicals within the PFAS compound are not broken down and require decontamination and treatment. PFAS treatment is necessary as the chemicals may pose risk to humans and the environment.

Per- and polyfluorinated chemicals (PFCs) or more specifically Per- and polyfluoroalkyl Substances (PFASs), are emerging pollutants of increasing public health and environmental concern due to recent reports of their global distribution, persistence, toxicity and bioaccumulation potential. Of these, Perfluorooctanesulfonic acid (PFOS) and Perfluorooctanoic acid (PFOA) are the latest chemicals categorized as Persistent organic pollutants (POPs) and listed under the Stockholm Convention.

 

These compounds have been produced commercially since the 1950s and used in a variety of consumer and industrial applications such as; Scotchgard™ to protect fabric, furniture, and carpets from stains, mist suppressants in the metal plating industry, hydraulic fluid in the aviation industry, surfactants in the photography industry, and fire-fighting foams.

 

Known fire-fighting applications with PFC’s include Aqueous Film Forming Foams (AFFF™) and Alcohol-Type Concentrate (ATC™) that are used to extinguish Class B fires that involve flammable fuels. With its ability to migrate in water, PFAS can be found in soil, concrete, groundwater, surface water, and sediments.

Treatment methods

Plasma arc destruction

Toxfree’s Plascon can destroy pure PCBs at a rate of 35 to 40kg/h, with no harmful emissions of dioxins or any other contaminants into the atmosphere. This is not high temperature incineration, but pyrolysis using a high temperature plasma arc in an inert, argon filled environment. Read more about the Plascon and it’s capabilities here. 

 

Thermal Desorption

Thermal Desorption is a “physical separation process” where heat is used to desorb (evaporate moisture and contaminants from solids). Evaporated contaminants are either converted, generally to Carbon Dioxide and Water, or condensed and collected. The temperature in the Thermal Desorber vessel is increased above the boiling point of the organic compound to be removed. Samples of the treated waste are analysed to verify complete decontamination prior to reuse, recycling or disposal. Solids including soil is typically treated at temperatures up to 550°C and retains its physical properties after treatment so that it can be beneficially reused.

 

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Services offered for PFAS:

  • Concentrate Handling
  • Concentrate Treatment and Disposal Contaminated
  • Soil Treatment
  • Groundwater Treatment
  • Spill Response

Key Markets:

  • Oil & Gas Sector
  • Aviation Industry
  • Defence Fire Services
  • Fire Protection Industry

PFAS Treatment Technologies

  • Plascon
  • Thermal Oxidation
  • Thermal Desorption
  • PFAS Optimised Physio Chemical Water Treatment
  • Chemical Immobilisation & Solidification

 

Contact us today

At Toxfree, we are committed to always ensuring that we provide the utmost satisfaction to all our clients, and work closely with you to ensure that we understand your needs. To discuss what we can offer you, all you need to do is get in touch with the team at Toxfree today, and we’ll have an answer to your questions in no time.

Toxfree services are available Australia wide, locations include:

  • Melbourne
  • Sydney
  • Brisbane
  • Perth
  • Darwin
  • Adelaide
  • Karratha
  • Olympic Dam

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If your request is urgent, please call us on 1300 869 373 or complete this form and we’ll get in touch soon.

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