Publicação: The use of syngas from biomedical waste plasma gasification systems for electricity production in internal combustion: Thermodynamic and economic issues
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Brazil has problems with the incorrect disposal of biomedical waste (BW) and studies of new technologies to eliminate this problem is becoming increasingly important. The plasma gasification technology provides reliable destruction of polluting materials, produces an inert slag and syngas. The slag can be used in civil construction, whereas syngas can be burned in the internal combustion engine (ICE) for electricity and heat generation. To collaborate with the insertion of plasma gasification technology in the Brazilian scenario, thermodynamic and economic studies of the use of BW plasma gasification are developed in this work and applied to conditions of Guaratinguetá city, São Paulo state, Brazil. Initially, the thermodynamic analysis was performed to determine the energetic efficiency of the plasma gasification system coupled with the ICE and the electricity generation potential was determinate. Economic studies were conducted to determine syngas and electricity production cost, the payback period and expected annual saving of the system. Thermodynamic analysis showed that the energy efficiency of the plasma gasifier is 78.58% and that there is a potential to produce 31% of the electricity required in the BW plasma gasification system. Through economic analysis the payback obtained was 6 years.
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Biomedical waste, Electricity, Plasma gasification, Syngas
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Inglês
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Energy, v. 199.
