Evaluation of Mechanical and Energetic Properties of the Forest Residues Shredded Chips during Briquetting Process

Kamil Roman, Jan Barwicki, Witold Rzodkiewicz and Mariusz Dawidowski
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Kamil Roman: Institute of Wood Sciences and Furniture, Warsaw University of Life Sciences, 166 Nowoursynowska St., 02-787 Warsaw, Poland
Jan Barwicki: Institute of Technology and Life Sciences, Warsaw Branch, 32 Rakowiecka St., 02-532 Warsaw, Poland
Witold Rzodkiewicz: Central Office of Measures, 2 Elektoralna St., 00-139 Warsaw, Poland
Mariusz Dawidowski: Central Office of Measures, 2 Elektoralna St., 00-139 Warsaw, Poland

Energies, 2021, vol. 14, issue 11, 1-11

Abstract: The briquetting process is one of methods of solid biofuel production. During the briquetting of raw material, it can be noticed that material is viscoelastic, and reflects the effect on the volume and the final effect of the agglomerate during mentioned treatment. The research aimed to evaluate the mechanical and energetic properties of shredded pine forest residues during the briquetting process. The shredded fragments of the forest residues were compacted by the principal stresses with determination of the energy value consumed during the briquetting process. Tests were carried out using a specially designed compacting tube, with additional equipment directly mounted on the testing machine. The compaction process was carried out using the presented material and through continuous monitoring of the process parameters. During the study, it was estimated that the moisture content of the compacted material should be equal from 10 to 15%. The calculated average value of the unit energy consumption during the briquetting process (WB) was equal to 0.14 MJ·kg −1 . In future research, the mathematical model can serve as an algorithm in a computer program in order to calculate the flow of biomass in the extrusion process.

Keywords: forest residues; briquetting; mechanical properties (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: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (8)

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