Experimental analysis of biomass pyrolysis using microwave-induced plasma

Lupa, Chris and Wylie, Stephen and Shaw, Andrew and Al-Shamma'a, Ahmed and Sweetman, Andrew and Herbert, Ben (2012) Experimental analysis of biomass pyrolysis using microwave-induced plasma. Fuel Processing Technology, 97. pp. 79-84. ISSN 0378-3820

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Energy-from-waste, a process that converts high calorific wastes to energy, has posed a possible renewable energy route, in addition to reducing waste volumes being sent to landfill. One technology that is effective at near complete organic–inorganic dissociation is plasma gasification. However, a precursor to generating this plasma is to create an electrical arc by a large DC current, which is highly energy intensive. This study, however, examines a novel method of producing plasma by microwaves, which is much more energy effi- cient. To test its suitability in waste and biomass treatment, three 10 g triplicate waste wood (biomass) sam- ples was pyrolysed using microwave-induced plasma in a lab-based reactor. The resultant gas was siphoned from the reactor exhaust pipe and characterised using a Gasmet DX400 FTIR analyser. To determine the pro- portion of gas flow between the siphon tube and exhaust, a mass balance model of the system was con- structed. After applying the appropriate correction factor, the mean mass ratio of liquid, solid, and gas was found to be 66:20:13. The start and final masses were recorded and compared with literature values. Mean mass loss was determined to be 7.96 g (79.6 wt.%), which is indicative of complete pyrolysis.

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Journal Article
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Fuel Processing Technology
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17 Jul 2012 12:45
Last Modified:
21 Nov 2022 22:35