Syngas Composition: Gasification of Wood Pellet with Water Steam through a Reactor with Continuous Biomass Feed System

Jerzy Chojnacki, Jan Najser, Krzysztof Rokosz, Vaclav Peer, Jan Kielar and Bogusława Berner
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Jerzy Chojnacki: Faculty of Mechanical Engineering, Koszalin University of Technology, Raclawicka Str.15-17, 75-620 Koszalin, Poland
Jan Najser: ENET Centre, VSB—Technical University of Ostrava, 17. Listopadu 2172/15, 708 00 Ostrava, Czech Republic
Krzysztof Rokosz: Faculty of Mechanical Engineering, Koszalin University of Technology, Raclawicka Str.15-17, 75-620 Koszalin, Poland
Vaclav Peer: ENET Centre, VSB—Technical University of Ostrava, 17. Listopadu 2172/15, 708 00 Ostrava, Czech Republic
Jan Kielar: ENET Centre, VSB—Technical University of Ostrava, 17. Listopadu 2172/15, 708 00 Ostrava, Czech Republic
Bogusława Berner: Faculty of Mechanical Engineering, Koszalin University of Technology, Raclawicka Str.15-17, 75-620 Koszalin, Poland

Energies, 2020, vol. 13, issue 17, 1-14

Abstract: Investigations were performed in relation to the thermal gasification of wood granulate using steam in an allothermal reactor with electric heaters. They studied the impact of the temperature inside the reactor and the steam flow rate on the percentage shares of H 2 , CH 4 , CO, and CO 2 in synthesis gas and on the calorific value of syngas. The tests were conducted at temperatures inside the reactor equal to 750, 800, and 850 °C and with a steam flow rate equal to 10.0, 15.0, and 20.0 kg?h −1 . The intensity of gasified biomass was 20 kg?h −1 . A significant impact of the temperature on the percentages of all the components of synthesis gas and a significant impact of the steam flow rate on the content of hydrogen and carbon dioxide in syngas were found. The highest percentage of hydrogen obtained was 43.3%. The calorific value of the gas depended significantly on the temperature inside the reactor and the correlation between the temperature and the steam flow rate. Its maximum value was 13.3 MJ?m −3 at 800 °C. This paper also includes an assessment of the mutual correlations of the percentage shares of the individual synthesis gas components.

Keywords: biomass; steam gasification; allothermal reactor (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (6)

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