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TitlePhotothermal characterization of biodiesel and petroleum diesel fuels - A review and perspective
AuthorShen, J; Michaelian, K H; Gieleciak, R; Baesso, M LORCID logo; Astrath, N G CORCID logo; Malacarne, L C
SourceJournal of Applied Physics vol. 128, issue 19, 0029235, 2020., Open Access logo Open Access
Alt SeriesNatural Resources Canada, Contribution Series 20200607
PublisherAmerican Institute of Physics Inc.
Mediapaper; on-line; digital
File formatpdf; html
SubjectsScience and Technology; fossil fuels; chromatography; diesel fuels; Gasoline; Quality control
Illustrationsdiagrams; graphs; tables
Released2020 11 18
AbstractAlternative fuels hold considerable promise as substitutes for petroleum diesel fuel. As such, biodiesel is a promising renewable fuel that has been developed and tested by a number of research groups. Quality control of this transportation fuel is of great significance to its commercialization. Conventional chromatographic and spectroscopic analytical methods are most commonly used for biodiesel characterization, in some cases yielding information detail beyond that needed for the determination of biodiesel quality. By contrast, less common methods, such as photothermal techniques, are well suited to characterize a wide range of transportation fuels. The complexities of photothermal and chemical analytical techniques are roughly similar, as are the costs. Photothermal methods are based on spectroscopic and thermophysical properties of the sample, an advantage with respect to ordinary chromatography and spectroscopy techniques. Furthermore, some photothermal techniques can be adapted for remote signal detection, which can be used for in situ analysis in fuel production for inline biodiesel quality inspection and control. Therefore, an overview and outlook of the photothermal characterization is of considerable interest. In this paper, the applications of photothermal techniques in the characterization of biodiesel, petroleum diesel fuels, and their blends are reviewed. The review includes thermophysical properties and correlations for fuels, determination of blend levels, and biodiesel stability investigations. After the review, discussion and perspective are presented for future improvement of photothermal characterization and industrial applications.
Summary(Plain Language Summary, not published)
This article discusses the use of alternative fuels, particularly biodiesel, as a replacement for traditional petroleum diesel. Biodiesel is seen as a renewable and eco-friendly option, but it's essential to maintain its quality for it to become a widely used commercial fuel.
Scientists usually use common techniques like chromatography and spectroscopy to analyze biodiesel. However, these methods sometimes provide more information than necessary for assessing biodiesel quality. Photothermal techniques, which are less commonly used, can effectively analyze various transportation fuels, including biodiesel.
Photothermal techniques use the sample's spectroscopic and thermophysical properties, making them advantageous over traditional methods. Some of these techniques can even be adapted for remote detection, allowing for in-line analysis during fuel production. This is crucial for ensuring biodiesel quality as it's being produced.
The article reviews how photothermal techniques can be applied to biodiesel, petroleum diesel fuels, and their mixtures. It covers various aspects, such as fuel properties, blend levels, and biodiesel stability. The information provided in this article is important for improving biodiesel production and maintaining its quality. It's a step towards making renewable fuels more widely available and eco-friendly.

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