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Energies
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Research on Sustainable Biomass Conversion
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Research on Sustainable Biomass Conversion

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "A4: Bio-Energy".

Deadline for manuscript submissions: closed (31 January 2024) | Viewed by 1129

Special Issue Editor

Dr. Arkadiusz Dyjakon

E-Mail Website
Guest Editor
Department of Applied Bioeconomy, Waste Biomass Valorization Group, Faculty of Life Sciences and Technology, Wroclaw University of Environmental and Life Sciences, 50-375 Wroclaw, Poland
Interests: biomass; torrefaction; pyrolysis; biomass valorization; renewable energy sources; energy and heat production; sustainable energy; coal and biomass combustion/co-combustion

Special Issue Information

Dear Colleagues,

In the future, biomass will continue to play an important role in energy production. Currently, however, there is a need to increase the sustainable use of biomass residues of forest and agricultural origin, as well as from the food-processing sector. To increase its usage for energy purposes and to improve its competitiveness in the energy market, it is necessary to process biomass using various methods in order to obtain the appropriate fuel or product characterized by valuable physical–chemical properties. This Special Issue aims to present new achievements in scientific research concerning the conversion of biomass to selected forms of energy and its practical application in the energy sector.

Dr. Arkadiusz Dyjakon
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Energies is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • biomass valorization
  • biofuels
  • biomass conversion
  • thermal treatment
  • bioenergy
  • torrefaction
  • pyrolysis
  • gasification
  • biomass digestion
  • biogas to bio-methane
  • combustion
  • Biomass to Liquid (BtL)
  • Biomass to Gas (BtG)
  • Biomass to Hydrogen (BtH)
  • biomass residues
  • thermal conversion
  • waste biomass

Published Papers (1 paper)

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Research

15 pages, 1858 KiB  
Article
The Effect of Bakery Waste Addition on Pine Sawdust Pelletization and Pellet Quality
by Sławomir Obidziński, Joanna Szyszlak-Bargłowicz, Grzegorz Zając, Małgorzata Kowczyk-Sadowy, Małgorzata Krasowska, Aneta Sienkiewicz, Paweł Cwalina, Damian Faszczewski and Jacek Wasilewski
Energies 2024, 17(2), 523; https://doi.org/10.3390/en17020523 - 22 Jan 2024
Cited by 1 | Viewed by 814
Abstract
This paper presents research findings on the pelleting process of pine sawdust using bakery waste in a pelletizer. The addition of bakery waste (white wheat–rye bread, whole-grain rye bread, and pumpkin bread) to pine sawdust had a beneficial effect on the kinetic strength [...] Read more.
This paper presents research findings on the pelleting process of pine sawdust using bakery waste in a pelletizer. The addition of bakery waste (white wheat–rye bread, whole-grain rye bread, and pumpkin bread) to pine sawdust had a beneficial effect on the kinetic strength of the pellets obtained, an increase of up to approximately three percentage points. The density of pellets with the addition of bakery waste also increased, while the bulk density of the pellets decreased. The addition of bakery waste also had a positive effect on the power demand of the pelletizer. It was reduced from 3.08% (at a 10% addition of white wheat–rye bread) to 22.18% (at a 20% addition of pumpkin bread), compared to the process of compacting pure pine sawdust. In addition, all the pellets containing bakery waste had a lower energy yield (EY) determined based on lower heating value and energy inputs. This index was lower by 53 Wh·kg−1 for pine sawdust pellets with a 10% addition of pumpkin bread. The greatest reduction, on the other hand, was by 173 Wh·kg−1 for pellets, with a 20% addition of white wheat–rye bread. In each case, an increase in the share of bakery additives resulted in a decrease in the energy yield from the pellets obtained. The smallest reduction in EY was found when pumpkin bread was used as an additive (from 53 to 133 Wh·kg−1). Considering all the parameters analyzed characterizing the pellets obtained, it was concluded that the addition of bakery residues to pelletized pine sawdust should not exceed 10%. Further increases in the proportion of bakery waste did not yield relative benefits, due to the deterioration of the energy characteristics of the pellets obtained. Full article
(This article belongs to the Special Issue Research on Sustainable Biomass Conversion)
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