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.
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).
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.
RDF (Refuse Derived Fuel) is made from domestic waste which includes biodegradable material as well as plastics, and has a lower calorific value than SRF (Solid Recovered Fuel).
RDF (Refuse Derived Fuel) is used in combined heat and power facilities, many of them in Europe where they produce electricity and hot water for communal heating systems in the local area.
Compared to landfilling, the lower carbon emissions resulting from RDF manufacture outweigh the emissions associated with transporting the reclaimed fuel.
The increasing importance of Waste to Energy/RDF
Waste to energy conversion is an increasingly recognised approach to resolving two issues:
waste management and
Waste represents an increasingly important fuel source. Using waste as fuel can have important environmental benefits. It can not only provide a safe and cost-effective way of waste disposal but can also help reduce carbon dioxide emissions.
SRF Manufacture is an alternative fuel produced by shredding and dehydrating solid waste, typically consisting of combustible components of solid waste, including paper, card, wood, textiles and plastic. It can be produced to a range of specifications to meet customer requirements.
Solid Recovered Fuel Manufacture
The materials used to produce Solid Recovered Fuel pass through a series of shredders, screens, air classifiers/density separators and magnets.
Inert materials, recyclable plastics and metals are extracted from the shredded material, leaving a mix of mainly non-recyclable paper, card, wood, textiles and plastic.
Although a small proportion of these materials can be recycled the quality of these materials is compromised once they enter the residual waste stream and recovering energy from these materials is currently the best environmental option.
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