The Experimental Study of the Efficiency of the Gasification Process of the Fast-Growing Willow Biomass in a Downdraft Gasifier

Savelii Kukharets (), Algirdas Jasinskas, Gennadii Golub, Olena Sukmaniuk, Taras Hutsol (), Krzysztof Mudryk, Jonas Čėsna, Szymon Glowacki and Iryna Horetska
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Savelii Kukharets: Department of Agricultural Engineering and Safety, Faculty of Engineering, Agriculture Academy, Vytautas Magnus University, Studentu Str. 15A, Akademija, LT-53362 Kaunas, Lithuania
Algirdas Jasinskas: Department of Agricultural Engineering and Safety, Faculty of Engineering, Agriculture Academy, Vytautas Magnus University, Studentu Str. 15A, Akademija, LT-53362 Kaunas, Lithuania
Gennadii Golub: Department of Tractors, Automobiles and Bioenergy Resources, National University of Life and Environmental Sciences of Ukraine, Heroev Oborony Str. 15B, 03-040 Kyiv, Ukraine
Olena Sukmaniuk: Department Machines Processes and Agroengineering Equipment, Polissia National University, Staryi Blvd 7, 10-008 Zhytomyr, Ukraine
Taras Hutsol: Department of Mechanics and Agroecosystems Engineering, Polissia National University, Staryi Blvd 7, 10-008 Zhytomyr, Ukraine
Krzysztof Mudryk: Faculty of Production and Power Engineering, University of Agriculture in Krakow, 30-149 Krakow, Poland
Jonas Čėsna: Department of Mechanical, Energy and Biotechnology Engineering, Faculty of Engineering, Agriculture Academy, Vytautas Magnus University, Studentu Str. 11, Akademija, LT-53362 Kaunas, Lithuania
Szymon Glowacki: Department of Fundamentals of Engineering and Power Engineering, Institute of Mechanical Engineering, Warsaw University of Life Sciences (SGGW), 02-787 Warsaw, Poland
Iryna Horetska: Innovative Program of Strategic Development of the University, European Social Fund, University of Agriculture in Krakow, 30-149 Krakow, Poland

Energies, 2023, vol. 16, issue 2, 1-12

Abstract: In this work, a study was performed on the influence of the ratio of height to the diameter of the reduction zone of a small-size downdraft gasifier as well as of the fuel fraction sizes on the gas quality (the quality was evaluated for CO content). The ratio of a full side area to the volume of a fuel fraction ( SVR ) was used as a fuel parameter. The maximum CO concentration was observed when using a small fuel fraction with SVR —0.7–0.72 mm −1 and when adhering to the ratio of height to the diameter of the reduction zone H/D —0.5–0.6. The maximum electric power for gasoline generators (nominal power equaled 4 kW) when using the gas received from the fast-growing hybrid willow biomass equaled 2.4 kW. This power is 37.5% lower than when using gasoline and 7.0% lower than when using the gas received from the hardwood biomass. The emissions of harmful gases into the atmosphere by the gasoline generator engine equaled 0.12–0.14% CO and 24–27 mln −1 C x H y . The emissions were 64.8 times less for CO and 8.5 times less for C x H y when compared with using gasoline.

Keywords: carbon monoxide; biomass; gasification; reduction zone; gasoline generators; electric energy; harmful gases (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: 2023
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