Abstract
Abstract Plasma gasification requires high energy input and temperature, hindering adoption for commercial applications. In this study, a model of low-temperature plasma gasification is investigated to convert municipal solid waste (MSW) into syngas. The model was employed at reactor temperatures of 1,500, 2,000, and 2,500 °C to assess effects on syngas composition and system performance with air as the plasma medium. At plasma temperatures of 1,500, 2,000, and 2,500 °C, the model generated syngas lower heating values of 5.41, 6.02, and 6.45 MJ/Nm3, respectively, with energy inputs of 2,358, 2,775, and 3,245 kW per kg/s of MSW, respectively, and plasma gasification efficiencies of 49.6, 49.2, and 48.9%, respectively. In comparison to conventional non-plasma air gasification of MSW, syngas generated from low-temperature plasma gasification contained higher concentrations of hydrogen and carbon monoxide, resulting in higher heating value of the syngas.
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