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Processes
Special Issues
Production and Utilization of Biofuels
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Production and Utilization of Biofuels

A special issue of Processes (ISSN 2227-9717). This special issue belongs to the section "Sustainable Processes".

Deadline for manuscript submissions: closed (31 January 2024) | Viewed by 5668

Special Issue Editors

Prof. Dr. Mirko Simikic

E-Mail Website
Guest Editor
Faculty of Agriculture Novi Sad, Trg Dositeja Obradovica 8, 21000 Novi Sad, Serbia
Interests: power machines; tractors; biodiesel; engine testing, tractor safety
Prof. Dr. Milan Tomic

E-Mail Website
Guest Editor
Faculty of Agriculture Novi Sad, Trg Dositeja Obradovica 8, 21000 Novi Sad, Serbia
Interests: biodiesel; production technology development; biofuel application; engine testing; reliability of use
Dr. Mirjana Ljubojevic

E-Mail Website
Guest Editor
Faculty of Agriculture, University of Novi Sad, Novi Sad, Serbia
Interests: horticultural plants’ breeding; alternative fruit crops; size-controling rootstocks’ selection; edible landscaping; food safety
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

We are welcoming submissions to this Special Issue, “Production and Utilization of Biofuels”, of the journal Processes. In alignment with the European Green Deal and the Sustainable Development Goals, a shift from traditional fuel acquisition and consumption towards renewable sources is playing a significant role. Biofuels derive from biological resources, including plant vegetative parts, plant edible and non-edible oils, recycled edible oil, and animal fats; therefore, they can be regarded as renewable, clean, and safe fuels. With increasing efforts to reduce global warming and mitigate the effects of climate change, in recent decades there has been a profound focus on renewable energy, including biofuels’ utilization. In contrast to the combustion of fossil fuels, which release carbon dioxide buried in the Earth’s crust, biofuels’ utilization does not contribute to global warming, since the carbon dioxide formed during combustion is balanced by that absorbed during the annual growth of plants, used as the raw material for their production.

Thus, this Special Issue aims to explore novel feedstock sources and the acquisition, processes, and application of biofuels.

Prof. Dr. Mirko Simikic
Prof. Dr. Milan Tomic
Dr. Mirjana Ljubojevic
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. Processes is an international peer-reviewed open access monthly 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 2400 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

  • biodiesel
  • biomass
  • bioenergy
  • bioethanol
  • combustion
  • green energy
  • circular economy
  • nature-based solutions
  • sustainable fuels

Published Papers (3 papers)

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Review

25 pages, 2724 KiB  
Review
Bioenergy and Biopesticides Production in Serbia—Could Invasive Alien Species Contribute to Sustainability?
by Magdalena Pušić, Mirjana Ljubojević, Dejan Prvulović, Radenka Kolarov, Milan Tomić, Mirko Simikić, Srđan Vejnović and Tijana Narandžić
Processes 2024, 12(2), 407; https://0-doi-org.brum.beds.ac.uk/10.3390/pr12020407 - 18 Feb 2024
Viewed by 834
Abstract
The critical role of energy in contemporary life and the environmental challenges associated with its production imply the need for research and exploration of its novel resources. The present review paper emphasizes the continuous exploitation of non-renewable energy sources, suggesting the transition toward [...] Read more.
The critical role of energy in contemporary life and the environmental challenges associated with its production imply the need for research and exploration of its novel resources. The present review paper emphasizes the continuous exploitation of non-renewable energy sources, suggesting the transition toward renewable energy sources, termed ‘green energy’, as a crucial step for sustainable development. The research methodology involves a comprehensive review of articles, statistical data analysis, and examination of databases. The main focus is biomass, a valuable resource for bioenergy and biopesticide production, highlighting not only its traditional diverse sources, such as agricultural waste and industrial residues, but also non-edible invasive alien plant species. This study explores the utilization of invasive alien species in circular economy practices, considering their role in bioenergy and biopesticide production. The potential conflict between bioproduct acquisition and food sector competition is discussed, along with the need for a shift in approaching non-edible biomass sources. The paper emphasizes the untapped potential of under-explored biomass resources and the necessity for policy alignment and public awareness. Species with a significant potential for these sustainable strategies include Acer negundo L., Ailanthus altisima (Mill.) Swingle., Amorpha fruticosa L., Elaengus angustifolia L., Falopia japonica (Houtt.) Ronse Decr., Hibiscus syriacus L., Koelreuteria paniculata Laxm., Paulownia tomentosa Siebold and Zucc., Partenocissus quenquefolia (L.) Planch., Rhus typhina L., Robinia pseudoacacia L. and Thuja orientalis L. In conclusion, the paper highlights the intertwined relationship between energy, environmental sustainability, and circular economy principles, providing insights into Serbia’s efforts and potential in adopting nature-based solutions for bioenergy and biopesticides acquisition. Full article
(This article belongs to the Special Issue Production and Utilization of Biofuels)
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Graphical abstract

18 pages, 1205 KiB  
Review
Utility Aspects of Sugarcane Bagasse as a Feedstock for Bioethanol Production: Leading Role of Steam Explosion as a Pretreatment Technique
by Paula Barciela, Ana Perez-Vazquez, Maria Fraga-Corral and Miguel A. Prieto
Processes 2023, 11(11), 3116; https://0-doi-org.brum.beds.ac.uk/10.3390/pr11113116 - 31 Oct 2023
Cited by 2 | Viewed by 2036
Abstract
Lignocellulosic biomass is a powerful approach to produce sustainable biofuels and the further achievement of the goal of biomass conversion into a second-generation clean energy that can cope with the depletion of fossil reserves and rising energy requirements. In the conversion process, a [...] Read more.
Lignocellulosic biomass is a powerful approach to produce sustainable biofuels and the further achievement of the goal of biomass conversion into a second-generation clean energy that can cope with the depletion of fossil reserves and rising energy requirements. In the conversion process, a pretreatment is essential to overcome the recalcitrance of the lignocellulosic biomass; accelerate its disintegration into cellulose, hemicellulose, and lignin; and, in turn, obtain an optimal yield of fermentable sugars in the enzymatic hydrolysis. In addition to this, it should be industrially scalable and capable of enhancing fuel properties and feedstock processability. Here, steam explosion technology has stood out due to its results and advantages, such as wide applicability, high efficiency in the short term, or lack of contamination despite its conventionality. This gentle and fast pretreatment incorporates high temperature autohydrolysis and structural alteration by explosive decompression. The steam explosion method has been one of the most effectual, especially for the hydrolysis of cellulose from agricultural wastes due to the lower quantity of acetyl groups in the composition of hemicellulose. In this aspect, sugarcane bagasse is a promising feedstock for bioethanol production due to its high cellulosic content and elevated availability. The objective of this review has been to compile the latest information on steam explosion pretreatment, stages, equipment, variables involved, by-products generated, as well as the advantages and disadvantages of the technique. At the same time, its feasibility and viability using sugarcane bagasse as feedstock has been discussed. Finally, the effectiveness of the technique with different feedstocks has been evaluated. Full article
(This article belongs to the Special Issue Production and Utilization of Biofuels)
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20 pages, 1566 KiB  
Review
Efficacious Utilization of Food Waste for Bioenergy Generation through the Anaerobic Digestion Method
by Preethi Muthu, Gunasekaran Muniappan and Rajesh Banu Jeyakumar
Processes 2023, 11(3), 702; https://0-doi-org.brum.beds.ac.uk/10.3390/pr11030702 - 26 Feb 2023
Cited by 1 | Viewed by 2272
Abstract
Energy fuels retrieved from biomass utilization are considered to be an economically and environmentally friendly source. In this day and age, bioenergy provides an alternative option to replace traditional fossil-based energy to accomplish energy demand with fewer greenhouse gas emissions into the environment. [...] Read more.
Energy fuels retrieved from biomass utilization are considered to be an economically and environmentally friendly source. In this day and age, bioenergy provides an alternative option to replace traditional fossil-based energy to accomplish energy demand with fewer greenhouse gas emissions into the environment. A huge amount of food waste is produced every year due to mass ethnographic activities. Their potential has been underused and this has led to waste ending up in the garbage. Bioenergy production by anaerobic digestion of cheap substrate provides an effectual approach to cope with this issue. The hydrolysis stage during anaerobic digestion is enhanced by various pretreatment methods, where the disintegration of the waste substrate leads to the enhancement of soluble organics and eases the production of bioenergy. The present review focuses on state-of-the-art knowledge about food waste, its utilization, and its valorization by the action of pretreatment, thereby enhancing anaerobic digestion. Additionally, this review further focuses on the major challenges during the pretreatment method and future recommendations. Full article
(This article belongs to the Special Issue Production and Utilization of Biofuels)
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