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Forests
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Novelties in Wood Engineering and Forestry—2nd Edition
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Novelties in Wood Engineering and Forestry—2nd Edition

A special issue of Forests (ISSN 1999-4907). This special issue belongs to the section "Wood Science and Forest Products".

Deadline for manuscript submissions: closed (15 March 2025) | Viewed by 2445

Special Issue Editors

Prof. Dr. Aurel Lunguleasa

E-Mail Website
Guest Editor
Department of Wood Engineering, Transilvania University of Brasov, 500036 Brasov, Romania
Interests: wood composite material; lighter wood particles; the physics of wood; the quality of composites
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Florin Dinulica

E-Mail Website
Guest Editor
Wood Processing and Design of Wooden Products, Transilvania University of Brasov, 500036 Brasov, Romania
Interests: wood science; non-human forest products; dendrocronology; classification and exploitation of forest resources
Prof. Dr. Camelia Cosereanu

E-Mail Website
Guest Editor
Department of Wood Processing and Design od Wood Products, Transilvania University of Brasov, 500036 Brasov, Romania
Interests: furniture; lignocellulosic composites; wood; design; wood civilization
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

This Special Issue will deal with various aspects of forestry and wood processing. In particular, in the field of forestry, the Special Issue invites research on woody biomass applications, the main products and byproducts of forests, log exploitation, the primary processing of round wood, and the quality of exploited wood. Regarding the wood processing part, this Special Issue will receive works on cutting round wood from timber and veneers; wood processing to create furniture, parquet, doors and windows; wood biomass including briquettes and pellets; the thermochemical treatment of wood; antique wood; finishing processes; the restoration of cultural heritage objects; and wood-based composites.

Potential topics include but are not limited to the following:

  • Forest byproducts;
  • Primary log processing;
  • Timber and veneer technologies;
  • Furniture, parquet, and door technologies;
  • Briquettes and pellets;
  • Wood finishing and coatings;
  • Wood restoration, preservation, and conservation;
  • The thermochemical treatment of wood;
  • Wood composites;
  • Wooden cultural heritage objects;
  • Antique wood.

Prof. Dr. Aurel Lunguleasa
Prof. Dr. Florin Dinulica
Prof. Dr. Camelia Cosereanu
Guest Editors

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. Forests is an international peer-reviewed open access monthly 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

  • woody biomass
  • forest byproducts
  • timber
  • veneer
  • furniture
  • briquettes
  • pellets
  • wooden cultural heritage object
  • wood restoration

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Further information on MDPI's Special Issue policies can be found here.

Published Papers (2 papers)

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Research

13 pages, 2574 KiB  
Article
Energetic Features of Hardwood Pellet Evaluated by Effect Size Summarisation
by Rodolfo Picchio, Rachele Venanzi, Vincenzo Civitarese, Aurora Bonaudo, Angela Lo Monaco and Francesco Latterini
Forests 2024, 15(7), 1259; https://doi.org/10.3390/f15071259 - 19 Jul 2024
Viewed by 920
Abstract
High-quality pellets are typically produced from coniferous sawdust. However, achieving comparable quality from alternative feedstocks, such as broadleaf wood, often necessitates pre-treatments or additives. Yet, within the framework of small-scale pellet production, local forest enterprises may lack the resources for such treatments and [...] Read more.
High-quality pellets are typically produced from coniferous sawdust. However, achieving comparable quality from alternative feedstocks, such as broadleaf wood, often necessitates pre-treatments or additives. Yet, within the framework of small-scale pellet production, local forest enterprises may lack the resources for such treatments and usually produce pellets from the whole trees, including branches, leaves and tops. This can have an impact on the quality of the pellets obtained in this manner. To be classified as high-quality pellets (A1 class), the specific features of the pellet must be higher or fall below the thresholds specified in the EN ISO 17225 standard. In this study, we developed an alternative statistical approach to evaluate pellet quality in comparison to the constant thresholds reported in the technical standard. We applied such an approach to evaluate the quality of pellets produced from the broadleaved species common in the Mediterranean forestry, including European beech (Fagus sylvatica L.), Turkey oak (Quercus cerris L.), Eucalyptus (clone Eucalyptus camaldulensis x C. bicostata), and Poplar clone AF6. In particular, we focused on three variables that are generally the most troublesome for the production of high-quality pellets from the broadleaved species, namely bulk density, ash content, and lower heating value. We found that the beech pellets showed satisfactory bulk density (average effect size of −1.2, with no statistical difference in comparison to the standard’s threshold) and ash content (average effect size of about −5 and significantly lower than the standard’s threshold), but the heating value was significantly lower than the threshold required by the standard (average effect size of about −3). Conversely, other investigated species exhibited notable deficiencies, with turkey oak pellets displaying acceptable heating values. We found a significant improvement in ash content and heating value with increasing stem age within the same species thus suggesting that material derived from thinning interventions might be preferable over coppice-derived biomass for high-quality pellet production. We suggest that future research on the topic should focus on investigating pellets produced from blends of beech and turkey oak biomass. We further recommend a wider application of the proposed statistical approach, considering that it is clear and easy to interpret, and allows for a statistical comparison of the obtained values against the requirements of the technical standard. Full article
(This article belongs to the Special Issue Novelties in Wood Engineering and Forestry—2nd Edition)
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25 pages, 5995 KiB  
Article
Pellets Obtained from the Husks of Sunflower Seeds and Beech Sawdust for Comparison
by Aurel Lunguleasa, Alin Olarescu and Cosmin Spirchez
Forests 2024, 15(6), 902; https://doi.org/10.3390/f15060902 - 23 May 2024
Cited by 1 | Viewed by 1048
Abstract
The energetic fossil resources of the world have decreased drastically in recent decades, and the quick and efficient solution to replace them is to use renewable biomass resources. This category also includes vegetable biomass, and within it, sunflower seed shells have an important [...] Read more.
The energetic fossil resources of the world have decreased drastically in recent decades, and the quick and efficient solution to replace them is to use renewable biomass resources. This category also includes vegetable biomass, and within it, sunflower seed shells have an important contribution. The present work aimed to analyze the pellets obtained from the husks of sunflower seeds, as lignocellulosic biomass resulting from the production of edible oil, and for comparison, some pellets from beech sawdust were used. The main physical properties (such as moisture content, density, coefficient of densification, etc.), mechanical properties (such as shear strength) and calorific properties (high and low calorific value, calorific density, volatile content and ash content) were determined and statistically analyzed. As the main element of comparison of these types of pellets, the pellets obtained from beech sawdust were used. For the comparison of the pellets obtained from the husks of sunflower seeds, especially to observe their differences compared to the torrefied pellets, charcoal was chosen. The conclusions highlighted the fact that sunflower seed husks are an important source of biomass that can be used to obtain lignocellulosic pellets, and the torrefied pellets obtained from these husks are comparable with the energetic value of charcoal. Full article
(This article belongs to the Special Issue Novelties in Wood Engineering and Forestry—2nd Edition)
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