Room: Poster Area
Date: Tuesday, 19 May 2026
Time: 16:15 - 17:15 CEST
Session code 5AV.4
Innovation in advanced processes for biofuels production: materials, mechanisms, and performances (part 2)
Influence of Extraction Conditions on the Composition of Particulate Contamination in Biodiesel
Short Introductive summary
The interpretation of particulate contamination in biodiesel depends not only on the presence of insoluble material but also on how it is recovered after filtration procedures. Standardised methods such as ASTM D7321 quantify retained material but do not define extraction protocols, and post-filtration analyses often overlook their influence. As a result, differences in solubility, polarity, and interactions with the filter matrix can lead to selective recovery, meaning that the analysed fraction may not represent the original deposit. This is particularly relevant in biodiesel systems, where residues comprise chemically diverse species with distinct affinities for solvents and responses to extraction conditions. This study addresses this gap by evaluating extraction as a critical analytical variable, demonstrating its role in shaping compositional interpretation and its impact on the assessment of fuel operability.
Presenter
Pedro PRATES
LEC-UFMG, Chemistry Dpt., BRAZIL
Presenter's biography
Scientist with a PhD in Chemical Engineering and over 18 years of experience spanning applied research, industry and higher education. Current work focuses on biofuels, including fuel quality, oxidative stability, particulate contamination, and the effects of feedstock diversity on fuel performance.
Biographies and Short introductive summaries are supplied directly by presenters and are published here unedited
Co-authors:
P. Prates-Valério, LEC-UFMG, Belo Horizonte, BRAZIL
V.M.D. Pasa, LEC-UFMG, Belo Horizonte, BRAZIL
Session reference: 5AV.4.27