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http://dx.doi.org/10.7837/kosomes.2021.27.6.890

Effect of Ultrasonic Irradiation on On-board Fuel Analyzed Using Gas Chromatography/Mass Spectrometry  

Choi, Jung-Sik (Division of Coast guard, Mokpo National Maritime University)
Publication Information
Journal of the Korean Society of Marine Environment & Safety / v.27, no.6, 2021 , pp. 890-897 More about this Journal
Abstract
Since the enforcement of strict regulations on marine fuel oil sulfur content, demand for Low Sulfur Fuel Oil (LSFO) has been increasing. However, as LSFO properties vary greatly depending on the supply timing, region, and supplier, LSFOs can experience problems with sludge formation, blending compatibility, and stability once mixed into storage tanks. This study investigates using ultrasound cavitation effects to improve the quality of LSFOs in storage tanks. For marine gas oil (MGO), the results showed that the relative ratio of high molecular weight compounds to those of low molecular weight decreased after ultrasonic irradiation, due to cavitation-induced cracking of chemical bonds. For marine diesel oil (MDO) and blended oil, a small increase in the relative abundance of low weight molecular compounds was observed after treatment. However, no correlation between time and relative abundance was observed.
Keywords
Low Sulfur Fuel Oil (LSFO); Blended fuel; Ultrasonic energy; Cavitation; Gas Chromatography/Mass Spectrometry (GC/MS);
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