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Sustainability
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Sustainable Use of Forest Biomass for Fuel and Chemical Productions
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Sustainable Use of Forest Biomass for Fuel and Chemical Productions

A special issue of Sustainability (ISSN 2071-1050). This special issue belongs to the section "Sustainable Forestry".

Deadline for manuscript submissions: closed (31 December 2023) | Viewed by 3423

Special Issue Editor

Dr. Hanseob Jeong

E-Mail Website
Guest Editor
Forest Products and Industry Department, National Institute of Forest Science, Seoul 02455, Republic of Korea
Interests: lignocellulosic biomass conversion; forest residue treatment; biorefinery process; bioenergy production; building block chemical production; biomass characterization; forest biomass policy; analytical method development for forest biomass

Special Issue Information

Dear Colleagues,

Due to climate change and environmental pollution, political efforts and industrial technology development to reduce the use of fossil fuels are accelerating worldwide. Recently, a global goal of “Net Zero by 2050” was set. At this point, forest biomass can replace fossil resources in both energy and material industries, so its value as a resource is higher than ever. In addition, the qualifications for sustainable resources are becoming increasingly strict, and it is necessary to develop treatment technology of forest biomass in a direction that can satisfy these demands. Therefore, this Special Issue aims to showcase recent technological development trends for the sustainable use of forest biomass.

The purpose of this Special Issue is to contribute to sustainable development by facilitating the investigation of fuel (solid and liquid biofuels) and chemical (building block chemicals and bio-based materials) production technologies using forest biomass.

The scope of this Special Issue is the conversion of forest biomass to solid biofuels, liquid biofuels (advanced biofuel), building block chemicals, bio-based materials (bioplastic, nanocellulose), etc. Papers on the application of other types of lignocellulosic biomass are also of interest.

We are pleased to invite you to submit your papers on the application of forest biomass to this Special Issue.

Dr. Hanseob Jeong
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. Sustainability 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 2400 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

  • forest biomass
  • lignocellulosic biomass
  • biofuel
  • biochemical
  • bio-based material
  • biorefinery

Published Papers (2 papers)

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Research

12 pages, 1763 KiB  
Article
The Effect of Cellulose Crystalline Structure Modification on Glucose Production from Chemical-Composition-Controlled Biomass
by Soo-Kyeong Jang, Hanseob Jeong and In-Gyu Choi
Sustainability 2023, 15(7), 5869; https://doi.org/10.3390/su15075869 - 28 Mar 2023
Cited by 1 | Viewed by 1468
Abstract
The crystalline structure is a biomass recalcitrance factor that hinders chemical or biological access to degrade the plant cell-wall structure. However, controversy persists over whether a ratio of the crystalline region, the crystallinity index, is a critical biomass recalcitrance factor. In this study, [...] Read more.
The crystalline structure is a biomass recalcitrance factor that hinders chemical or biological access to degrade the plant cell-wall structure. However, controversy persists over whether a ratio of the crystalline region, the crystallinity index, is a critical biomass recalcitrance factor. In this study, an alkaline treatment modified from mercerization was adopted to alleviate the crystalline structure in the xylem of eucalyptus, along with hemicellulose and lignin removal via autohydrolysis and acid–chlorite treatment, respectively. Then, the glucose yield of the treated solid residues was used as a parameter of biomass recalcitrance. The alkaline treatment successfully reduced the crystallinity index, and the maximal reduction ratio was 84.9% when using an 8% sodium hydroxide solution. However, the reduction ratio of the crystallinity index was dependent on the remaining lignin content in the treated solid residues. Additionally, the lignin removal ratio showed critical influence to improve the glucose yield that was even observed in the treated solid residue having a low reduction ratio of the crystallinity index. Consequently, the cellulose crystalline structure is minimally involved with biomass recalcitrance, especially cellulase activity, at least in eucalyptus. Full article
(This article belongs to the Special Issue Sustainable Use of Forest Biomass for Fuel and Chemical Productions)
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15 pages, 38258 KiB  
Article
From Natural Woods to High Density Materials: An Ecofriendly Approach
by Francesca Gullo, Andrea Marangon, Alessandro Croce, Giorgio Gatti and Maurizio Aceto
Sustainability 2023, 15(3), 2055; https://doi.org/10.3390/su15032055 - 21 Jan 2023
Cited by 2 | Viewed by 1590
Abstract
Recently, different methods have been proposed to develop wood materials, termed “densified woods”, with density increment and improvement in mechanical proprieties. Almost all the proposed methods involve the use of reducing agents and strong bases. In this work, a new method has been [...] Read more.
Recently, different methods have been proposed to develop wood materials, termed “densified woods”, with density increment and improvement in mechanical proprieties. Almost all the proposed methods involve the use of reducing agents and strong bases. In this work, a new method has been developed involving the use of less polluting agents. The formation of densified woods is divided into two steps: delignification involves the removal of lignin, hemicelluloses, and shorter chains of cellulose, whereas densification involves the plastering of the delignified woods. The obtained materials showed a density increase of two to four times. The obtained densified woods were characterized by spectroscopic, microscopic, and thermogravimetric techniques and mechanical tests. The characterizations aimed at determining the variations of chemical and structural compositions of the samples after delignification and densification processes, showing, respectively, a decrease in lignin and a significant increase in the density and force necessary to bring the materials to yield. The final density of wood was two to three times higher and the force necessary to reach the yield point reached more than three times the initial one for some of the studied samples. These characterizations showed how different woods, with different properties, reach comparable densities and final mechanical properties after delignification and densification process. The increased mechanical properties of the materials allow their application in place of other composite woody materials. Full article
(This article belongs to the Special Issue Sustainable Use of Forest Biomass for Fuel and Chemical Productions)
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