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Research Trends and Challenges in the Field of Biodiesel and Biofuels

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

Deadline for manuscript submissions: closed (15 May 2022) | Viewed by 2728

Special Issue Editor


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Guest Editor
Faculty of Chemical Engineering and Technology, University of Zagreb, Marulićev trg 19, HR-10 000 Zagreb, Croatia
Interests: biofuels; biodiesel; fuels; bioadditives; polymer composites; nanofluids; polymers

Special Issue Information

Dear Colleagues,

Biodiesel and biofuels in general are well established sources of renewable energy worldwide. They are usually used as a transportation fuel and, in rarer cases, for the production of heat and electricity. Biodiesel can be produced from different feed stocks, and its usage is mostly related to the climate and geographical position of the production place (rapeseed and sunflower oils in Europe, soybean oil in the United States, canola oil in Canada, palm oil in tropical countries, etc.). In order to avoid ‘food or fuel’ concerns, production trends have shifted from food crops toward inedible oils, waste oils and fats, and microbial oils. Similarly, for other biofuels, the trends have shifted from starchy toward lignocellulose sources and algal biomass.

In this Special Issue, we aim to publish full research papers, short communications, and review articles describing the current and alternative trends and technologies for the production, purification, modeling, and economics of biodiesel and biofuels.  Papers that describe innovative processes/technological novelties or investigate properties and engine performances of novel fuels are highly appreciated.

Dr. Fabio Faraguna
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

  • Biodiesel
  • Biofuels
  • Engine tests
  • Sustainable development
  • Biomass conversion

Published Papers (1 paper)

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Review

21 pages, 2797 KiB  
Review
Biodiesel Produced from Propanol and Longer Chain Alcohols—Synthesis and Properties
by Mia Gotovuša, Ivan Pucko, Marko Racar and Fabio Faraguna
Energies 2022, 15(14), 4996; https://doi.org/10.3390/en15144996 - 8 Jul 2022
Cited by 7 | Viewed by 2466
Abstract
Biodiesel has established itself as a renewable fuel that is used in transportation worldwide and is partially or in some cases completely replacing conventional fuels. Chemically, biodiesel is a fatty acid monoalkyl ester (FAAE). Generally, the term biodiesel refers to the fatty acid [...] Read more.
Biodiesel has established itself as a renewable fuel that is used in transportation worldwide and is partially or in some cases completely replacing conventional fuels. Chemically, biodiesel is a fatty acid monoalkyl ester (FAAE). Generally, the term biodiesel refers to the fatty acid methyl or ethyl esters (FAME or FAEE). Herein, an overview of the research on the synthesis of FAAE in which the alkyl moiety is a C3+ alkyl chain (branched/unbranched) is given. In addition, a comparison of the properties of the aforementioned FAAE with each other, with FAME and FAEE, and with fuel standards is given. The length of the alkyl chain has a major influence on viscosity, while pour point temperatures are generally lower when branched alcohols are used, but the fatty acid part of the molecule also has a major influence. The development of new pathways for the synthesis of higher alcohols from biomass opens a future perspective for the production of long chain FAAE as biofuels, fuel additives, or biolubricants. Due to their properties, FAAEs produced from C3–C5 alcohols have the potential to be used as fuels, while all C3+ FAAEs can be used as valuable bioadditives, and C8+ FAAEs can be used as biolubricants and viscosity improvers. Full article
(This article belongs to the Special Issue Research Trends and Challenges in the Field of Biodiesel and Biofuels)
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