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Refuse Derived Fuel from Municipal Solid Waste rejected fractions- a Case Study
Publication . Brás, Isabel; Silva, Maria Elisabete; Lobo, Germana; Cordeiro, Ana; Faria, Miguel; Lemos, Luís Teixeira de
Municipal Solid Wastes (MSW) that contain mixtures of paper, wood, green wastes, food wastes, plastics, leather, and rubber can have energy characteristics similar to wood. Use of MSW as a fuel can be accomplished by burning the as-received material, called mass burning, but processing is often required before it can be burned effectively. The purpose is to reduce size and remove materials, valuable materials or non-combustible materials in order to be reclaimed and used as alternative fuel for sustainable disposal and converted into green and clean energy. The impact of burning these heterogeneous materials in traditional boiling systems, as primary or supplemental fuel, needs to be assessed: the physical and chemical characterization of raw materials should be performed. According to Portuguese Standard NP 4486:2008, a classification system is used based on Refuse Derived Fuel (RDF) main parameters: lower heating value, chlorine and mercury content. Higher heating value is in fact associated with paper/card, plastics, wood and textiles content and, once these materials have in their composition biogenic compounds (40-80% w/w), they become an interesting alternative fuel to accomplish the reduction of CO2 emissions.
2017Conference object Open access Show more