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Biomass Resources and Bio-Energy Potential—2nd Edition
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Biomass Resources and Bio-Energy Potential—2nd Edition

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

Deadline for manuscript submissions: closed (30 April 2024) | Viewed by 7247

Special Issue Editor

Dr. M. A. Fazal

E-Mail Website
Guest Editor
Department of Mechanical and Materials Engineering, University of Jeddah, Jeddah, Saudi Arabia
Interests: biofuel; combustion; materials compatibility; energy materials; renewable energy
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The Guest Editors of the Special Issue “Biomass Resources and Bio-Energy Potentials II” in Energies are pleased to announce that this issue is open for submissions.

This issue will focus on the most recent developments in the biomass bioenergy sector, providing a platform for researchers with which to exchange the latest research progress on the processing, characterization, and modeling of biomass bioenergy. We aim to compile novel findings from academia, industry, and government research laboratories.

Conventional fossil fuel is vital in global transportation and power generation systems due to its availability, combustion performance, and accessibility. However, the combustion of fossil fuel generates harmful emissions (e.g., CO2, SO2 and NOx etc.), and pollutes the environment. Furthermore, depletion of reservation and the increased cost of and demand for fossil fuel have propelled the world energy industries to seek alternative and sustainable replacements. As a result, the entire world is striving to find viable renewable energy resources. Biofuel is the most promising renewable energy source for use in combustion engines and power generation systems. Diesel fuel blends containing up to 20% biodiesel are currently used in diesel engines without any modification. However, several critical issues exist in this field, including feedstock availability, production technology, energy yield, cost, storage stability, fuel properties, corrosivity, materials compatibility, etc. A considerable number of studies on these topics have been conducted both experimentally and numerically. The present Special Issue is dedicated to papers addressing these issues.

This Special Issue welcomes the following topics, among others:

(i) Biomass bioenergy and their processing;
(ii) Biofuel production technology and techno-economic analysis;
(iii) Properties, modeling, and applications of bioenergy;
(iv) Ability of biomass and bioenergy to meet the world energy demand.

Dr. M. A. Fazal
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. 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

  • biomass resources
  • biofuel feedstocks
  • bioenergy production
  • biofuel properties modeling
  • combustion
  • materials compatibility
  • techno-economic analysis

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Related Special Issue

Published Papers (3 papers)

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Research

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10 pages, 3588 KiB  
Article
Valorization of Coffee Residue from Convenience Store and Retail Mass-Selling Store for Producing Highly Porous Carbon Materials and Taiwan Perspectives
by Yu-Ru Lee, Hsiang-Lan Huang, Chi-Hung Tsai and Wen-Tien Tsai
Energies 2024, 17(3), 683; https://doi.org/10.3390/en17030683 - 31 Jan 2024
Viewed by 1530
Abstract
In Taiwan, a considerable amount of coffee residue is produced from commercial activities without valuable utilization. To evaluate high-value valorization in the production of highly porous carbon materials, this study investigated the thermochemical properties of coffee residues and further pyrolysis for producing highly [...] Read more.
In Taiwan, a considerable amount of coffee residue is produced from commercial activities without valuable utilization. To evaluate high-value valorization in the production of highly porous carbon materials, this study investigated the thermochemical properties of coffee residues and further pyrolysis for producing highly porous biochar products at an elevated temperature (i.e., 850 °C) and a moderate residence time of 30 min. Our findings indicate that this biomass has a relatively high calorific value (about 27 MJ/kg, dry basis) due to its low ash and high lignocellulose content. It can be also concluded that the non-activated biochar products are highly porous carbon materials with excellent pore properties (i.e., a BET surface area of about 800 m2/g and a total pore volume of 0.4 cm3/g), which are slightly lower than those of commercial activated carbon products. Based on the above-mentioned results and the high-value circular bio-economy promoted by regulatory policy in Taiwan, the prospects for the possible valorization of coffee residue from commercial shops are addressed here, focusing both on the reuse of plant-based residue (or agricultural waste) as a high-value bioresource in the production of biomass-based fuels and on carbon materials. The former includes solid recovered fuel (SRF) and biomass-to-biogas power. By contrast, the latter aims at the production of plant-based carbon as natural, edible colorants in accordance with the regulation of food safety and sanitation in Taiwan. Full article
(This article belongs to the Special Issue Biomass Resources and Bio-Energy Potential—2nd Edition)
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Review

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36 pages, 4743 KiB  
Review
Renewable Hydrogen from Biomass: Technological Pathways and Economic Perspectives
by José Ramón Copa Rey, Cecilia Mateos-Pedrero, Andrei Longo, Bruna Rijo, Paulo Brito, Paulo Ferreira and Catarina Nobre
Energies 2024, 17(14), 3530; https://doi.org/10.3390/en17143530 - 18 Jul 2024
Cited by 9 | Viewed by 3947
Abstract
Hydrogen is undeniably one of the most promising options for producing energy with minimal environmental impact. However, current hydrogen production is still derived from carbon-intensive processes relying on fossil fuels. Biomass is a sustainable and versatile resource that can be converted into hydrogen [...] Read more.
Hydrogen is undeniably one of the most promising options for producing energy with minimal environmental impact. However, current hydrogen production is still derived from carbon-intensive processes relying on fossil fuels. Biomass is a sustainable and versatile resource that can be converted into hydrogen through biological and thermochemical pathways from a large variety of feedstocks and technologies. This work reviews and compares existing biomass-to-hydrogen technologies, focusing on their characteristics, maturity level, benefits, limitations, and techno-economic and lifecycle environmental impacts. Less-developed biological conversion methods are characterized by low efficiencies and hydrogen productivity. More mature thermochemical routes enable higher efficiencies and hydrogen yields. Overall, while thermochemical processes suit centralized large-scale hydrogen production, biological pathways offer decentralized options, necessitating continued innovation for integration into future energy strategies. Some of these technologies, such as anaerobic digestion (best-case: 1.28 EUR/kgH2) and conventional gasification (best-case: 1.79 EUR/kgH2), emerge as promising, sustainable, and affordable alternatives for renewable hydrogen generation, offering production costs comparable to those of natural gas steam reforming (0.92–2.8 EUR/kgH2). Full article
(This article belongs to the Special Issue Biomass Resources and Bio-Energy Potential—2nd Edition)
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20 pages, 3193 KiB  
Review
Production of Sustainable Liquid Fuels
by Nathan Ormond, Dina Kamel, Sergio Lima and Basudeb Saha
Energies 2024, 17(14), 3506; https://doi.org/10.3390/en17143506 - 17 Jul 2024
Cited by 2 | Viewed by 1353
Abstract
As the world aims to address the UN Sustainable Development Goals (SDGs), it is becoming more urgent for heavy transportation sectors, such as shipping and aviation, to decarbonise in an economically feasible way. This review paper investigates the potential fuels of the future [...] Read more.
As the world aims to address the UN Sustainable Development Goals (SDGs), it is becoming more urgent for heavy transportation sectors, such as shipping and aviation, to decarbonise in an economically feasible way. This review paper investigates the potential fuels of the future and their capability to mitigate the carbon footprint when other technologies fail to do so. This review looks at the technologies available today, including, primarily, transesterification, hydrocracking, and selective deoxygenation. It also investigates the potential of fish waste from the salmon industry as a fuel blend stock. From this, various kinetic models are investigated to find a suitable base for simulating the production and economics of biodiesel (i.e., fatty acid alkyl esters) and renewable diesel production from fish waste. Whilst most waste-oil-derived biofuels are traditionally produced using transesterification, hydrotreating looks to be a promising method to produce drop-in biofuels, which can be blended with conventional petroleum fuels without any volume percentage limitation. Using hydrotreatment, it is possible to produce renewable diesel in a few steps, and the final liquid product mixture includes paraffins, i.e., linear, branched, and cyclo-alkanes, with fuel properties in compliance with international fuel standards. There is a wide range of theoretical models based on the hydrodeoxygenation of fatty acids as well as a clear economic analysis that a model could be based on. Full article
(This article belongs to the Special Issue Biomass Resources and Bio-Energy Potential—2nd Edition)
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