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Type of publication: Straipsnis konferencijos medžiagoje kitose duomenų bazėse / Article in conference proceedings in other databases (P1c)
Field of Science: Energetika ir termoinžinerija / Energy and thermoengineering (T006)
Author(s): Pedišius, Nerijus;Vonžodas, Tomas;Annuk, Andres;Streikus, Dionizas;Jasinskas, Algirdas;Domeika, Rolandas;Čekanauskas, Sigitas
Title: Evaluation of giant knotweed and miscanthus as perspective energy plants and assessment of produced biofuel quality indicators
Is part of: Rural Development 2017 [elektroninis išteklius]: Bioeconomy Challenges : Proceedings of the 8th International Scientific Conference, 23-24th November, 2017, Aleksandras Stulginskis University. Akademija : Aleksandras Stulginskis University
Extent: p. 448-452
Date: 2017
Note: eISSN 2345-0916; eISBN 9786094491283
Keywords: ash content;calorific value;density;elemental composition;knotweed;miscanthus;pellets
Abstract: Giant knotweed (Fallopia sachalinensis) was chosen as a perspective energy plant because it is not soil demanding plant and belongs to the most effective crops in the Central Europe as regards high biomass yield. Miscanthus (Miscanthus sinensis) was chosen as control one. Knotweeds are comparable to wooden briquettes and pellets because of their similar mechanical and thermal properties. These plants are growing in forest vicinities with approximately 15 t ha-1 d.b. (dry basis) yield productivity. Experimental research investigations were performed in the laboratories of Aleksandras Stulginskis University. Giant knotweed and miscanthus biomass was cut, chopped, milled and granulated with a small capacity granulator (250–300 kg h-1). Technical means of plant preparation and usage for energy purposes were investigated. Plant chaff and mill fraction compositions were determined, and quality indicators of the produced pellets were measured – moisture content, density, as well as resistance to compression, elemental composition, ash content and calorific value also bulk density, fall and natural slope angles. Moisture content reached 7.8 ± 0.8 %; pellet density was 1227.3 ± 48.6 kg m-3. Resistance to compression of giant knotweed pellet was 850 N. Determined ash content was 4.3 ± 0.01 %, and net calorific value of knotweed dry mass was sufficient high and reached 18.96 ± 0.28 MJ kg-1. Bulk density reached 509.9 kg m-3, natural slope angle was 31.7 0 and fall angle was 49.3 0
Affiliation(s): Lietuvos energetikos institutas
Vytauto Didžiojo universitetas
Žemės ūkio akademija
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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