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Research on Conversion Technology for Biofuel Production

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

Deadline for manuscript submissions: 10 September 2026 | Viewed by 894

Special Issue Editors


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Guest Editor
School of Transportation and Vehicle Engineering, Shandong University of Technology, Zibo 255000, China
Interests: biomass thermal conversion; pyrolysis; gasification; hydrogen; supercritical water; quantum chemistry; molecular dynamics

Special Issue Information

Dear Colleagues,

The urgent global demand for sustainable and carbon-neutral energy sources has positioned biomass conversion and bio-fuel production at the forefront of renewable energy research. This field is rapidly evolving, driven by innovations in catalytic processes, biorefinery concepts, and the integration of advanced technologies. This Special Issue aims to compile high-quality research and review articles that showcase cutting-edge advancements and address critical challenges in converting diverse biomass feedstocks into next-generation biofuels.

We seek to highlight multidisciplinary research that bridges fundamental science with practical engineering solutions, ultimately contributing to a more sustainable and secure energy future.

Topics of interest should focus on, but not be limited to, the following:

  • Advanced Thermochemical Conversion: Novel approaches in pyrolysis (e.g., catalytic, fast), gasification, hydrothermal liquefaction, and co-processing for bio-oil, syngas, and bio-char production. Quantum chemistry, molecular dynamics, or artificial intelligence approaches in biomass conversion and bio-fuel production: mechanistic studies/applications.
  • Biochemical Conversion Breakthroughs: Developments in fermentation technologies, metabolic engineering of robust microbial strains, and enzymatic hydrolysis for the production of bioethanol, biobutanol, and biogas.
  • Integrated Biorefining Systems: Process design, integration, and optimization for the co-production of high-value biofuels and biochemicals, emphasizing circular economy principles.
  • Catalysis for Bio-fuel Synthesis: Design and application of novel homogeneous, heterogeneous, and biocatalysts to improve the efficiency, selectivity, and yield of bio-fuel production processes.
  • Feedstock Pre-treatment and Logistics: Innovative methods for the efficient pre-treatment, fractionation, and handling of lignocellulosic biomass, algae, and organic waste streams.
  • Sustainability and Techno-Economic Analysis: Life-cycle assessment (LCA), techno-economic feasibility studies, and policy analyses evaluating the environmental and economic viability of emerging bio-fuel pathways.

Dr. Wenke Zhao
Dr. Weijing Ding
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 250 words) can be sent to the Editorial Office for assessment.

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

  • energy
  • biomass
  • conversion technology
  • bio-fuel production
  • mechanisms

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Published Papers (1 paper)

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Research

16 pages, 2440 KB  
Article
Converting Animal Waste to Syngas and Biochar via Top-Lit Updraft Gasification
by Dwi Cahyani, Mahmoud Sharara, Brian Jackson and Wenqiao Yuan
Energies 2026, 19(6), 1427; https://doi.org/10.3390/en19061427 - 12 Mar 2026
Viewed by 550
Abstract
Increasing global demand for animal-based protein has created a critical environmental management challenge regarding manure accumulation in intensive livestock production. Gasification offers a sustainable solution by converting organic residues into renewable synthetic gas (syngas) and carbon-rich biochar. This study systematically evaluated the performance [...] Read more.
Increasing global demand for animal-based protein has created a critical environmental management challenge regarding manure accumulation in intensive livestock production. Gasification offers a sustainable solution by converting organic residues into renewable synthetic gas (syngas) and carbon-rich biochar. This study systematically evaluated the performance of three major types of animal waste—dairy manure, poultry litter, and swine manure—against a lignocellulosic control (wood veneer waste) in a top-lit updraft (TLUD) gasifier. Three airflow rates (10, 15, and 20 L min−1) were studied. The results indicated that increasing airflow significantly elevated the gasifier flame front temperatures, with poultry litter achieving the highest peak temperature (825.5 °C), followed by swine manure and dairy manure (753.7 and 727.0 °C, respectively) at 20 L min−1 airflow. While dairy manure exhibited the fastest linear burning rate (25.7 mm/min), poultry litter demonstrated the highest mass consumption rate (32.8 g/min). Feedstock chemistry drove distinct reaction pathways in syngas composition. Poultry litter emerged as the superior feedstock for H2 production, achieving a peak H2 concentration of 10.78% at 20 L min−1, which attributed to a synergistic combination of outstanding temperature, moisture content and catalytic alkali metals that promoted steam reforming and water–gas shift reactions. CO production was dominated by wood veneer (17.6%), which was driven by the dominance of elemental carbon and fixed solid (FS) content that favored partial oxidation and a Boudouard reaction. These findings suggest that while airflow regulates thermal kinetics, the specific energy profile of the produced syngas is fundamentally determined by the physiochemical properties of the biomass precursor. Full article
(This article belongs to the Special Issue Research on Conversion Technology for Biofuel Production)
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