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Title:The Evaluation of Torrefaction Efficiency for Lignocellulosic Materials Combined with Mixed Solid Wastes
Authors:ID Ivanovski, Maja (Author)
ID Goričanec, Darko (Author)
ID Urbancl, Danijela (Author)
Files:.pdf Ivanovski-2023-The_Evaluation_of_Torrefaction.pdf (3,69 MB)
MD5: 63F36722E3033213324165172003BDC4
 
URL https://www.mdpi.com/1996-1073/16/9/3694
 
Language:English
Work type:Article
Typology:1.01 - Original Scientific Article
Organization:FKKT - Faculty of Chemistry and Chemical Engineering
Abstract:The paper presents the results of research aimed at evaluating the possibility of using selected biomass wastes to produce solid biofuels. In this work, the thermochemical properties of two lignocellulosic biomasses, namely, miscantshus (Miscanthus × Giganteus) and hops (Humulus lupulus), and non-lignocellulosic biomass, namely, municipal solid waste, and their mixtures (micanthus + municipal solid waste and hops + municipal solid waste) were studied using the torrefaction process as the main method for investigation. The effects of various torrefaction temperatures (250, 300, and 350 °C) and times (30 and 60 min) were evaluated. Proximate and ultimate analyses were performed on the torrefied samples. The following can be stated: as the torrefaction temperature and time increased, mass and energy yields decreased while the higher heating values (HHVs) and fuel ratios (FRs) increased, together with carbon contents (C). In addition, energy on return investment (EROI) was studied; the maximum EROI of 28 was achieved for MSW biochar at 250 °C for 30 min. The results of studying greenhouse gas emissions (GHGs) showed a reduction of around 88% when using torrefied biochar as a substitute for coal. In sum, this study shows that torrefaction pre-treatment can improve the physicochemical properties of raw biomasses to a level comparable with coal, and could be helpful in better understanding the conversion of those biomasses into a valuable, solid biofuel.
Keywords:torrefaction, waste biomass, renewable energy, fuel ratio, greenhouse gas emission, GHG
Publication status:Published
Publication version:Version of Record
Submitted for review:30.03.2023
Article acceptance date:24.04.2023
Publication date:25.04.2023
Publisher:MDPI
Year of publishing:2023
Number of pages:Str. 1-15
Numbering:Letn. 16, Št. 9, št. članka 3694
PID:20.500.12556/DKUM-87819 New window
UDC:620.92/.98
ISSN on article:1996-1073
COBISS.SI-ID:151510275 New window
DOI:10.3390/en16093694 New window
Publication date in DKUM:29.03.2024
Views:222
Downloads:27
Metadata:XML DC-XML DC-RDF
Categories:Misc.
:
IVANOVSKI, Maja, GORIČANEC, Darko and URBANCL, Danijela, 2023, The Evaluation of Torrefaction Efficiency for Lignocellulosic Materials Combined with Mixed Solid Wastes. Energies [online]. 2023. Vol. 16, no. Št. 9,  članka 3694, p. 1–15. [Accessed 17 March 2025]. DOI 10.3390/en16093694. Retrieved from: https://dk.um.si/IzpisGradiva.php?lang=eng&id=87819
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Record is a part of a journal

Title:Energies
Shortened title:Energies
Publisher:Molecular Diversity Preservation International
ISSN:1996-1073
COBISS.SI-ID:518046745 New window

Licences

License:CC BY 4.0, Creative Commons Attribution 4.0 International
Link:http://creativecommons.org/licenses/by/4.0/
Description:This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.
Licensing start date:25.04.2023

Secondary language

Language:Slovenian
Keywords:torefikacija, odpadki biomase, ponovna uporaba energije, emisije toplogrednih plinov


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