Air- and oxygen-blown characterization of coal and biomass by thermogravimetric analysis

Air- and oxygen-blown characterization of coal and biomass by thermogravimetric analysis Fuel 212 (2018) 626–637 Contents lists available at ScienceDirect Fuel journal homepage: www.elsevier.com/locate/fuel Full Length Article Air- and oxygen-blown characterization of coal and biomass by thermogravimetric analysis Mauro Mureddu , Federica Dessì, Alessandro Orsini, Francesca Ferrara, Alberto Pettinau Sotacarbo S.p.A. – Grande Miniera di Serbariu, 09013 Carbonia, Italy GR APHICAL A BSTRACT ARTICLE I NFO ABSTRACT Keywords: This paper reports on the results of air-blown combustion and oxy-combustion kinetic characterization (com- Thermogravimetric analysis (TGA) paring two different isoconversional methods: Flynn-Wall-Ozawa and Kissinger-Akahira-Sunose) of different Combustion kinds of coal (from Italy, South Africa and Hungary) and biomass (pine and eucalyptus chips) by thermo- Oxy-combustion gravimetric analysis (TGA) and differential scanning calorimeter (DSC) together with the assessment of different Coal characteristic combustion parameters. It can be observed that the burning rate of fuels can be improved by the Biomass oxy-combustion process, shortening the burning time (a mean reduction of the burnout time of 14% and 22% can be observed for coal and biomass samples, respectively). Moreover, biomass shows better ignition perfor- mance than coal and enhances combustibility indexes (S and H ), especially in oxy-combustion conditions. For example, the S index, which reflects combustion properties, increases by an order of magnitude http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Fuel Elsevier

Air- and oxygen-blown characterization of coal and biomass by thermogravimetric analysis

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Publisher
Elsevier
Copyright
Copyright © 2017 Elsevier Ltd
ISSN
0016-2361
D.O.I.
10.1016/j.fuel.2017.10.005
Publisher site
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Abstract

Fuel 212 (2018) 626–637 Contents lists available at ScienceDirect Fuel journal homepage: www.elsevier.com/locate/fuel Full Length Article Air- and oxygen-blown characterization of coal and biomass by thermogravimetric analysis Mauro Mureddu , Federica Dessì, Alessandro Orsini, Francesca Ferrara, Alberto Pettinau Sotacarbo S.p.A. – Grande Miniera di Serbariu, 09013 Carbonia, Italy GR APHICAL A BSTRACT ARTICLE I NFO ABSTRACT Keywords: This paper reports on the results of air-blown combustion and oxy-combustion kinetic characterization (com- Thermogravimetric analysis (TGA) paring two different isoconversional methods: Flynn-Wall-Ozawa and Kissinger-Akahira-Sunose) of different Combustion kinds of coal (from Italy, South Africa and Hungary) and biomass (pine and eucalyptus chips) by thermo- Oxy-combustion gravimetric analysis (TGA) and differential scanning calorimeter (DSC) together with the assessment of different Coal characteristic combustion parameters. It can be observed that the burning rate of fuels can be improved by the Biomass oxy-combustion process, shortening the burning time (a mean reduction of the burnout time of 14% and 22% can be observed for coal and biomass samples, respectively). Moreover, biomass shows better ignition perfor- mance than coal and enhances combustibility indexes (S and H ), especially in oxy-combustion conditions. For example, the S index, which reflects combustion properties, increases by an order of magnitude

Journal

FuelElsevier

Published: Jan 15, 2018

References

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