Biodiesel Promotes Iron-Catalyzed Oxidation of Engine Lubricating Oil

Biodiesel Promotes Iron-Catalyzed Oxidation of Engine Lubricating Oil. Song, H., Casey, A., Tory, J., Coultas, D., Lester, D., Scott, P., & Rogers, N. J. INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, 62(23):9054–9061, June, 2023. Infineum UK Ltd
doi abstract bibtex

The growing trend of increasing biodiesel concentrationsin dieselfuel blends has led to concerns about its effect on the oxidationof formulated oils within internal combustion engines. We observethat biodiesel is not only susceptible to rapid oxidation at elevatedtemperatures but is also responsible for acceleration of the oxidationprocess of the lubricant base oil when in the presence of solubleiron; this is supported by a range of control and model experiments.A mixture of oxidized biodiesel and Fe(III) leads to the formationof catalytic iron carboxylate networks that remain solubilized, asobserved by UV-Vis and infrared absorption studies. These observationsare important for the fundamental understanding of the chemistry withinindustry standard laboratory bench tests for lubricant oil formulationsand can aid the design of new lubricants with improved biodiesel compatibility.Such lubricants have the potential for a reduced carbon footprintvia waste reduction.

@article{song_biodiesel_2023,
	title = {Biodiesel {Promotes} {Iron}-{Catalyzed} {Oxidation} of {Engine} {Lubricating} {Oil}},
	volume = {62},
	issn = {0888-5885},
	doi = {10.1021/acs.iecr.3c00916},
	abstract = {The growing trend of increasing biodiesel concentrationsin dieselfuel blends has led to concerns about its effect on the oxidationof formulated oils within internal combustion engines. We observethat biodiesel is not only susceptible to rapid oxidation at elevatedtemperatures but is also responsible for acceleration of the oxidationprocess of the lubricant base oil when in the presence of solubleiron; this is supported by a range of control and model experiments.A mixture of oxidized biodiesel and Fe(III) leads to the formationof catalytic iron carboxylate networks that remain solubilized, asobserved by UV-Vis and infrared absorption studies. These observationsare important for the fundamental understanding of the chemistry withinindustry standard laboratory bench tests for lubricant oil formulationsand can aid the design of new lubricants with improved biodiesel compatibility.Such lubricants have the potential for a reduced carbon footprintvia waste reduction.},
	number = {23},
	urldate = {2023-06-27},
	journal = {INDUSTRIAL \& ENGINEERING CHEMISTRY RESEARCH},
	author = {Song, Hualong and Casey, Abby and Tory, Joanne and Coultas, David and Lester, Daniel and Scott, Peter and Rogers, Nicola J.},
	month = jun,
	year = {2023},
	note = {Infineum UK Ltd},
	pages = {9054--9061},
}

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