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Biomass Conversion Technologies: 3rd Edition
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Biomass Conversion Technologies: 3rd Edition

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

Deadline for manuscript submissions: 31 January 2025 | Viewed by 2449

Special Issue Editor

Prof. Dr. Prasad Kaparaju

E-Mail Website
Guest Editor
Griffith School of Engineering and Built Environment, Griffith University, Nathan Campus, Nathan, QLD 4111, Australia
Interests: biomass; biomass conversion; biofuel; biogas; biohydrogen; environmental biotechnology; renewable energy technologies; anaerobic digestion
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Biomass from agriculture, agro-industry, and municipalities is considered a renewable and sustainable energy resource that can be used to produce renewable electricity, bioenergy, transportation fuels (biofuels), and/or high-value functional chemicals. Biomass conversion technologies, such as those involving combustion, thermochemical, electrochemical, or biochemical pathways, can be used to convert biomass into alternative solid energy sources (charcoal, biochar, and RDF), liquid biofuels (biodiesel, algal biofuel, bioethanol, pyrolysis, and liquefaction bio-oils), and gaseous fuels (biogas, syngas, and biohydrogen). The produced bioenergy can complement other renewables such as solar and wind energy and can assist in meeting the targets of renewable energy and greenhouse gas emissions. Therefore, advanced and innovative biomass conversion technologies play a crucial role in renewable energy development and the replacement of fossil fuels and chemicals in achieving environmental sustainability. This Special Issue aims to publish a comprehensive overview and in-depth technical research papers addressing the recent progress in biomass conversion technologies and processes. Studies of advanced technologies and methods for bioenergy, biorefinery, and biofuel production are also welcomed. Research involving experimental and numerical studies, recent developments, and current and emerging technologies in this field is highly encouraged.

Prof. Dr. Prasad Kaparaju
Guest Editor

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Keywords

  • biomass
  • biofuel
  • bioenergy
  • biorefinery
  • chemicals
  • physical conversion
  • thermochemical conversion
  • chemical conversion
  • biological conversion
  • process optimization
  • process design
  • thermodynamic analysis
  • gasification process
  • process modeling

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Related Special Issue

Published Papers (3 papers)

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Review

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39 pages, 2275 KiB  
Review
Feasibility of Food Organics and Garden Organics as a Promising Source of Biomethane: A Review on Process Optimisation and Impact of Nanomaterials
by Shweta Mitra and Prasad Kaparaju
Energies 2024, 17(16), 4198; https://doi.org/10.3390/en17164198 - 22 Aug 2024
Viewed by 739
Abstract
Anaerobic digestion (AD) of food waste (FW) is considered an environmentally sustainable process that can divert the disposal of FW to landfill and prevent greenhouse gas (GHG) emissions in managing the FW. Although several studies have attempted to demonstrate the AD of FW, [...] Read more.
Anaerobic digestion (AD) of food waste (FW) is considered an environmentally sustainable process that can divert the disposal of FW to landfill and prevent greenhouse gas (GHG) emissions in managing the FW. Although several studies have attempted to demonstrate the AD of FW, low methane yields and a high incidence of process instability have been reported due to the rapid generation and accumulation of volatile fatty acids (VFAs). This paper reviews the recent research and development with high variation in FW composition, such as the carbon-to-nitrogen (C/N) ratio and, consequently, the effect of its physicochemical composition on process performance and methane yields. The paper highlights the significance of optimizing the anaerobic co-digestion (AcoD) of FW with carbon-rich substrates such as garden waste (GW) and/or the addition of trace elements as strategies that can improve the process performance and methane yields from FW. This review focuses on the factors effecting the feasibility of food organics and garden organics (FOGO) as a substrate for methane production. The review also critically analyses the prospects of enhancement of biomethane yield by optimizations of the impactful parameters. The progress in research related to these methods and identifying existing limitations to efficient AD of FOGO are the key findings of this review. This review also assesses the impact of nanotechnology on the process performance of the digester. The integration of FO and GO in AD processes has demonstrated enhanced biogas yields, improved process stability, and better waste management outcomes compared to the digestion of either substrate alone. Despite these advantages, challenges such as feedstock variability, process optimization, and the need for advanced pretreatment methods remain. Addressing these issues through continued research and technological innovations will be crucial for maximizing the efficiency and scalability of AD systems. Moreover, the economic feasibility and policy frameworks supporting AD need further development to promote broader adoption. Full article
(This article belongs to the Special Issue Biomass Conversion Technologies: 3rd Edition)
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26 pages, 4669 KiB  
Review
Review of Organic Waste-to-Energy (OWtE) Technologies as a Part of a Sustainable Circular Economy
by Svetlana Zueva, Francesco Ferella, Valentina Corradini and Francesco Vegliò
Energies 2024, 17(15), 3797; https://doi.org/10.3390/en17153797 - 1 Aug 2024
Cited by 1 | Viewed by 910
Abstract
Organic waste-to-energy (OWtE) technologies are playing a steadily increasing role in the Green Transition, thus becoming a powerful driver in the establishment of an ever more efficient and sustainable circular economy. The advantages of OWtE processes are well known: not only do they [...] Read more.
Organic waste-to-energy (OWtE) technologies are playing a steadily increasing role in the Green Transition, thus becoming a powerful driver in the establishment of an ever more efficient and sustainable circular economy. The advantages of OWtE processes are well known: not only do they reduce the waste volumes sent to landfills or incineration plants, but also and foremost, through the energy they yield (biogenic carbon dioxide, amongst others), they reduce dependance on fossil fuels. This article gives a complete panorama of these technologies, starting from the classical methods and ending with a review of the latest modern novelties. Advantages and disadvantages of each method are highlighted, with particular focus on the formation of by-products and the relevant treatment aimed at preventing environmental pollution. Accordingly, modern techniques for increasing waste-to-energy efficiency and integrating the concept of circular economy and substitutability are analyzed from this perspective. Along with an analysis of modern scientific achievements in this area, practical examples of the implementation of technologies in European countries are given, with an emphasis on the obvious advantages, both economic and environmental. Full article
(This article belongs to the Special Issue Biomass Conversion Technologies: 3rd Edition)
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1 pages, 131 KiB  
Correction
Correction: Matchim Kamden et al. A Comprehensive Study on DES Pretreatment Application to Microalgae for Enhanced Lipid Recovery Suitable for Biodiesel Production: Combined Experimental and Theoretical Investigations. Energies 2023, 16, 3806
by Michele Corneille Matchim Kamdem, Aymard Didier Tamafo Fouegue and Nanjun Lai
Energies 2024, 17(10), 2407; https://doi.org/10.3390/en17102407 - 17 May 2024
Viewed by 473
Abstract
The authors wish to make the following correction to this paper [...] Full article
(This article belongs to the Special Issue Biomass Conversion Technologies: 3rd Edition)
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