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Waste Streams

Gasplasma® produces energy and fuels from a wide range of waste streams including:

Municipal Solid Waste (MSW)

Municipal Solid Waste (MSW), which includes household waste, is the residual waste put into a black bin bag or wheelie bin. MSW contains a mixture of recyclable, organic, inorganic and biodegradable materials. We recover as many recyclable materials as possible before drying and shredding the remainder to make a Refuse Derived Fuel (RDF) for the process. Our energy from waste process, Gasplasma®, transforms the RDF into a clean hydrogen-rich synthesis gas (syngas).

Refuse Derived Fuel (RDF) & Solid Recovered Fuel (SRF)

A full-scale Gasplasma® plant can make its own RDF from MSW/Commercial Waste.  The waste is brought directly into a fuel preparation hall at the front of the building. Inside the fuel preparation hall there is industry standard equipment that can recover glass, metals and hard plastics from the wastes for recycling. The remaining waste is then dried and shredded to make a Refuse Derived Fuel (RDF) for the Gasplasma® energy from waste process. Clients who already produce RDF may not require a fuel preparation hall.  APP can design a plant without this facility, accepting the RDF directly from the client. Secondary Recovered Fuel or Solid Recovered Fuel (SRF) is often confused with Refuse Derived Fuel because they are similar in nature.  However, SRF is produced to reach a clearly defined standard such as CEN/343 ANAS whereas RDF is not.

Commercial Waste

Commercial Waste is similar to Municipal Solid Waste although it tends to have more biodegradable products. Commercial waste is defined as all wastes created by commercial businesses.  This can include, but is not necessarily limited to, solid or liquid wastes originating from offices, stores, markets, restaurants, shopping centres and other enterprises.  We receive Commercial waste into the Materials Recycling Facility (MRF) at the front end of the Gasplasma® energy from waste plant. Any recyclable materials are recovered and the remainder is dried and shredded to make Refuse Derived Fuel (RDF). The RDF is used as fuel in the Gasplasma® plant to generate clean, renewable power and heat.

Wood Wastes and Biomass

Wood wastes include woods from forestry, railways – sleepers, telecoms – telephone poles, timber manufacturing processes and the construction industry. Many of these types of wood tend to be contaminated with chemicals and other materials.  This contamination can make the waste wood difficult to use in traditional biomass to energy processes and potentially hazardous to the environment. Our Gasplasma® energy from waste technology is able to transform efficiently the organic biomass into a pure, hydrogen-rich synthesis gas and safely destroys any harmful or hazardous inorganic chemicals. All inorganic materials are made inert and vitrified into an environmentally benign product called Plasmarok® which can be sold as an aggregate for construction, generating a revenue stream.

Mined Landfill

Mining landfill is an innovative practice, which is a paradigm shift in waste management, where landfills can be considered storage of feedstock for waste to energy plants such as Gasplasma®. It works by:

  • Extracting buried waste
  • Recovering valuable recyclates: glass, metals, hard plastics
  • Returning land for alternative uses
  • Eliminating greenhouse gas emissions caused by decomposing wastes

Millions of tonnes of waste, going back many decades, are buried in landfill around the world.  This waste creates significant amounts of greenhouse gases, including methane, a potent greenhouse gas, which if it is not managed properly has serious consequences for climate change and can damage the regional eco-system. Gasplasma® energy from waste technology is ideal for landfill mining projects. The landfill to energy recovery process works by:

  • Mining material from landfill
  • Recycling glass, metals and hard plastics
  • Creating a Refuse Derived Fuel (RDF) from the mined waste
  • Producing a pure, hydrogen-rich synthesis gas using Gasplasma®
  • Generating clean, renewable power and renewable heat
Auto Shredder Residue (ASR)

End of life vehicle processing recovers valuable recyclates and removes for recovery all pollutants from automobiles. After this process, the remaining vehicle is shredded for further treatment into smaller parts called Auto Shredder Residue (ASR) sometimes referred to as Auto Shredder Fluff or Car Fluff. ASR contains a mixture of all the different materials that make up the automobile, including metals, plastics, rubbers and textiles. This mixture of materials makes ASR a difficult waste to handle and potentially harmful to the environment. The Gasplasma® energy from waste process breaks down the ASR:

  • Organic materials are transformed into a hydrogen-rich synthesis gas which is used to generate power
  • Inorganic materials are vitrified to become Plasmarok®
  • Any remaining ferrous and non-ferrous metals are recovered
Hazardous and Special Wastes

Gasplasma® uses a DC Plasma Converter to crack impurities from the raw syngas.  The intense heat and strong UV light produced by the Plasma Arc neutralises hazardous wastes, such as sludge and oils, creosote and other preservatives and chemicals.  Gasplasma® transforms the organic parts of the waste into a hydrogen-rich syngas that is used to generate clean, renewable power and renewable heat. The second stage Plasma Converter makes hazardous elements inert and all the inorganic materials are vitrified into an environmentally benign product called Plasmarok®.