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Biomass-Derived Fuels and Materials: Volume II
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Biomass-Derived Fuels and Materials: Volume II

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

Deadline for manuscript submissions: 31 December 2024 | Viewed by 2837

Special Issue Editors

Prof. Dr. Dimitrios Sidiras

E-Mail Website
Guest Editor
Laboratory of Simulation of Industrial Processes, Department of Industrial Management and Technology, School of Maritime and Industrial Studies, University of Piraeus, GR 18534 Piraeus, Greece
Interests: chemical engineering; renewable energy; biomass; bioenergy; environmental technology
Special Issues, Collections and Topics in MDPI journals
Dr. Leonidas Matsakas

E-Mail Website
Guest Editor
Department of Civil, Environmental and Natural Resources Engineering, Luleå University of Technology, C148 Luleå, Sweden
Interests: biomass pretreatment and fractionation; organosolv; bioenergy; biofuels; biomaterials; heterotrophic growth of algae; production of nutraceutical compounds; lignin valorization; enzymatic processes
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

This Special Issue of Energies on “Biomass-Derived Fuels and Materials: Volume II” aims to cover biomass-derived renewable fuels and materials conversion technologies, including biomass pretreatment and fractionation. In this context, we welcome submissions that deal with the development of novel lignocellulosic biomass pretreatment and fractionation processes. Moreover, we expect submissions on of microbial cultivation process development for the conversion of biomass-derived sugars to fuels and materials, as well as thermochemical processes of biomass. Furthermore, we will consider submissions within the biorefinery concepts regarding novel pretreatment techniques and their technical, environmental, and economic implications. In addition, we look forward to submissions on the conversion process particularities for biofuels and biochemicals, including chemical, biochemical, thermochemical, microbial, and combined approaches. Additionally, we expect submissions related to technoeconomic and environmental analysis, which may include supply chain assessment, byproducts, zero-waste techniques within the concept of circular economy, and process simulation and optimization. Finally, we welcome submissions on policy application and development related to the biobased economy. Consequently, this Special Issue is particularly addressed to researchers in crosscutting areas addressing any aspects of biomass-derived fuels and materials production.

Prof. Dr. Dimitrios Sidiras
Dr. Leonidas Matsakas
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

  • acid hydrolysis
  • algal biofuel
  • anaerobic digestion
  • autohydrolysis
  • aviation biofuels
  • biobased fuels
  • biobased materials
  • biodiesel
  • biogas
  • biomass cultivation
  • biomass logistics
  • biorefinery
  • enzymatic hydrolysis
  • ethanol
  • fermentation
  • fractionation
  • gasification
  • green chemistry
  • high added value chemicals
  • life cycle assessment (LCA)
  • lignocellulosic biomass
  • microbial conversion
  • policy
  • pretreatments
  • pyrolysis
  • technoeconomic analysis
  • torrefaction

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Published Papers (2 papers)

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Research

14 pages, 1630 KiB  
Article
A Parametric Study of the Organosolv Fractionation of Norway Spruce Sawdust
by Maxwel Monção, Anthony Ike Anukam, Kateřina Hrůzová, Ulrika Rova, Paul Christakopoulos and Leonidas Matsakas
Energies 2024, 17(13), 3276; https://doi.org/10.3390/en17133276 - 4 Jul 2024
Viewed by 632
Abstract
Lignocellulosic biomass represents an excellent alternative to fossil fuels in terms of both energy production and raw material usage for a plethora of daily-use products. Organosolv pretreatment is a fractionation technique able to separate lignocellulosic biomass into individual streams of cellulose, hemicellulose, and [...] Read more.
Lignocellulosic biomass represents an excellent alternative to fossil fuels in terms of both energy production and raw material usage for a plethora of daily-use products. Organosolv pretreatment is a fractionation technique able to separate lignocellulosic biomass into individual streams of cellulose, hemicellulose, and lignin under controlled conditions. Sawdust, the by-product of sawmill processing of Picea abies wood, was the subject of our investigation in this work. The aim was to evaluate the effects of different parameters of the organosolv process of spruce sawdust on the yield of components and how this affects the enzymatic saccharification of cellulose. Sixteen distinct pretreatments were performed with ethanol concentrations of 50 and 60% v/v at 180 and 200 °C for 15 and 30 min. Half of the pretreatments contained 1% sulfuric acid as a catalyst, while the other half were acid-free. Thereafter, the effects of different variables on the yield of products were assessed and compared to determine the ideal pretreatment condition. The results showed that cellulose-rich pulps, with cellulose content as high as 55% were generated from an initial mass of 37.7% spruce sawdust with the reactor operating at 180 °C for 30 min using 60% ethanol and 1% sulfuric acid. With the pretreatments performed with the catalyst at 200 °C, hemicellulose was almost entirely removed from the pulps obtained. The recovered hemicellulose fraction was composed mainly of monomers achieving up to 10 g/100 g of biomass. Delignification values of up to 65.7% were achieved with this pretreatment technique. Fractionated lignin presented low levels of sugar and ashes contamination, with values as low as 1.29% w/w. Enzymatic saccharification of the pretreated pulps yielded 78% cellulose hydrolysis, with glucose release higher than 0.54 g/g of biomass, indicating the potential of the pulps to be applied in a fermentation process. Full article
(This article belongs to the Special Issue Biomass-Derived Fuels and Materials: Volume II)
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21 pages, 4674 KiB  
Article
Evaluation of Technical and Economic Indicators for the Production Process of Microalgae Lipids Considering CO2 Capture of a Thermoelectric Plant and Use of Piggery Wastewater
by Esveidi Montserrat Valdovinos-García, Christian Ariel Cabrera-Capetillo, Micael Gerardo Bravo-Sánchez, Juan Barajas-Fernández, María de los Ángeles Olán-Acosta and Moisés Abraham Petriz-Prieto
Energies 2024, 17(1), 92; https://doi.org/10.3390/en17010092 - 22 Dec 2023
Viewed by 1163
Abstract
Microalgae are highly studied microorganisms for the production of high-value products due to their high content of proteins, lipids, carbohydrates, and chlorophyll. These compounds are refined to obtain profitable industrial products. This article analyzes the lipid production of Chlorella sp. biomass, considering 18 [...] Read more.
Microalgae are highly studied microorganisms for the production of high-value products due to their high content of proteins, lipids, carbohydrates, and chlorophyll. These compounds are refined to obtain profitable industrial products. This article analyzes the lipid production of Chlorella sp. biomass, considering 18 scenarios for its production, with 9 of these being partially supplemented with swine wastewater. A 1 ha area was considered for biomass cultivation, primary and secondary biomass harvesting, and lipid extraction. Using simulation in the software SuperPro Designer v10, parameters such as CO2 capture (from a thermoelectric power plant), freshwater consumption, wastewater consumption, energy consumption, and unit production cost were evaluated. The results show that the production cost is high, ranging from 836.9 US $/kg to 1131.5 US $/kg of produced lipids, with a maximum CO2 capture of 454 kg of CO2/kg of lipids. The use of wastewater reduces the production cost by approximately 10%. The evaluation of technical and economic parameters allows us to identify bottlenecks and implement strategies to reduce production costs. Full article
(This article belongs to the Special Issue Biomass-Derived Fuels and Materials: Volume II)
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