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Advances in Bio-Energy: Biofuel and Other Value-Added Bioproducts, Production Technology, and Environmental Impact Systems Components

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

Deadline for manuscript submissions: 25 August 2025 | Viewed by 423

Special Issue Editors

Dr. Carlos Saul Osorio-González

E-Mail Website
Guest Editor
Soil and Agri-Food Engineering Department, Laval University, Quebec, QC G1V 0A6, Canada
Interests: fermentation technology; microbiology; environment; biofuel; bioenergy; biocatalysis; residues management; bioprocess; sustainability; data analysis; modeling
Special Issues, Collections and Topics in MDPI journals
Dr. Antonio Avalos Ramirez

E-Mail Website
Guest Editor
Centre National en Électrochimie et Technologies Environnementales-CNETE, Shawinigan, QC G9N 6V8, Canada
Interests: biofuels; anaerobic digestion; biohydrogen; bioethanol; valorization of residual biomasses
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Due to climate change, sustainable fuel alternatives must be found and developed in order to mitigate the adverse environmental impact of anthropogenic activities and preserve ecosystems. One promising alternative involves the production of bioproducts with a high market value via the use of renewable resources, such as the production of biofuels and chemical commodities. In this context, the valorization of residual biomasses plays a key role in transitioning from a fossil-based carbon economy to a green energy economy, leading to a simultaneous reduction in pollutants and greenhouse gas emissions. Nevertheless, several bottlenecks during the production, scale-up and commercialization of the targeted biofuels/bioproducts need to be addressed, as well as their environmental and social impact.

This Special Issue aims to provide an overview of recent advancements in the production, commercialization, development and optimization of this technology, as well as the social, economic, environmental and technical challenges associated with biofuels, chemical commodities, and bioproducts, considering their industrial scale-up and the development of legislation.

Dr. Carlos Saul Osorio-González
Dr. Antonio Avalos Ramirez
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. 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

  • residual biomasses
  • bioenergy
  • sustainable conversion
  • biogas
  • biohydrogen
  • bioethanol
  • biodiesel
  • bio-oil
  • value addition
  • green chemistry
  • circular economy
  • environmental impact
  • social impact

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Published Papers (2 papers)

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Research

22 pages, 1122 KiB  
Article
Diagnosis of Socio-Economic Prospects and Constraints for Household Biogas Adoption: A Case of Lizulu Market in Ntcheu District of Malawi
by Admore Samuel Chiumia, Betchani Tchereni, Hope Baxter Chamdimba, Benjamin L. Robinson and Mike Clifford
Energies 2025, 18(10), 2636; https://doi.org/10.3390/en18102636 - 20 May 2025
Abstract
Biogas is once again emerging as a potential household cooking option that can help developing countries achieve energy targets. However, the adoption of biogas remains relatively slow, necessitating a diagnosis of the problem the review of literature identified. The review identified key factors [...] Read more.
Biogas is once again emerging as a potential household cooking option that can help developing countries achieve energy targets. However, the adoption of biogas remains relatively slow, necessitating a diagnosis of the problem the review of literature identified. The review identified key factors influencing the adoption of household biogas technology, including policy and regulatory frameworks, financing mechanisms, public awareness, and socio-economic factors. Therefore, this study involved undertaking a survey where heads of 385 households were interviewed. The study found that low income of households, averaging USD 67/month, is a major constraint to biogas adoption, especially when dirty fuels cost little or nothing. In addition, a lack of awareness of the benefits of biogas over the available dirty fuels has the potential to limit its adoption. This explains why 99% of the households interviewed indicated firewood and charcoal were their first option, and 52% believed that these dirty fuels were dependable. Regardless of these bottlenecks, the study found that households are ready to try better cooking options. About 99% of households were interested in using biogas, and 94% wanted to learn more about biogas. Therefore, there is a need for increased awareness, and suppliers must adopt innovations that make biogas more accessible and competitive against traditional cooking fuels. Full article
(This article belongs to the Special Issue Advances in Bio-Energy: Biofuel and Other Value-Added Bioproducts, Production Technology, and Environmental Impact Systems Components)
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29 pages, 6704 KiB  
Article
Kinetic Analysis of Construction, Renovation, and Demolition (CRD) Wood Pyrolysis Using Model-Fitting and Model-Free Methods via Thermogravimetric Analysis
by Aravind Ganesan, Simon Barnabé, Younès Bareha, Simon Langlois, Olivier Rezazgui and Cyrine Boussabbeh
Energies 2025, 18(10), 2496; https://doi.org/10.3390/en18102496 - 12 May 2025
Viewed by 298
Abstract
The pyrolysis of non-recyclable construction, renovation, and demolition (CRD) wood waste is a complex thermochemical process involving devolatilization, diffusion, phase transitions, and char formation. CRD wood, a low-ash biomass containing 24–32% lignin, includes both hardwood and softwood components, making it a viable heterogeneous [...] Read more.
The pyrolysis of non-recyclable construction, renovation, and demolition (CRD) wood waste is a complex thermochemical process involving devolatilization, diffusion, phase transitions, and char formation. CRD wood, a low-ash biomass containing 24–32% lignin, includes both hardwood and softwood components, making it a viable heterogeneous feedstock for bioenergy production. Thermogravimetric analysis (TGA) of CRD wood residues was conducted at heating rates of 10, 20, 30, and 40 °C/min up to 900 °C, employing model-fitting (Coats–Redfern (CR)) and model-free (Ozawa–Flynn–Wall (OFW), Kissinger–Akahira–Sunose (KAS), and Friedman (FM)) approaches to determine kinetic and thermodynamic parameters. The degradation process exhibited three stages, with peak weight loss occurring at 350–400 °C. The Coats–Redfern method identified diffusion and phase interfacial models as highly correlated (R2 > 0.99), with peak activation energy (Ea) at 30 °C/min reaching 114.96 kJ/mol. Model-free methods yielded Ea values between 172 and 196 kJ/mol across conversion rates (α) of 0.2–0.8. Thermodynamic parameters showed enthalpy (ΔH) of 179–192 kJ/mol, Gibbs free energy (ΔG) of 215–275 kJ/mol, and entropy (ΔS) between −60 and −130 J/mol·K, indicating an endothermic, non-spontaneous process. These results support CRD wood’s potential for biochar production through controlled pyrolysis. Full article
(This article belongs to the Special Issue Advances in Bio-Energy: Biofuel and Other Value-Added Bioproducts, Production Technology, and Environmental Impact Systems Components)
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