Improvement of Biodiesel by Utilizing of Odor and Antioxidants in Essential Oils

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This research investigates how essential oils improve the oxidative stability and odor of biodiesel.
Evaluated biodiesel stability with clove, thyme, and cinnamon leaf essential oils at 1 wt% addition.
Assessed combustion characteristics of B10 biodiesel mixed with essential oils for cetane number and emissions.
Conducted sensory evaluation to compare fuel odor with and without essential oils.
Biodiesel with clove essential oil increased oxidative stability from 24 days to approximately 200 days.
B10 with clove essential oil met the cetane number standard of 51, unlike the control without essential oils.
Adding essential oils reduced hydrocarbon content in exhaust gases, improving odor characteristics.

Explores the enhancement of biodiesel's stability and odor through essential oils, suggesting improved fuel quality.

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Todaka et al. (2026) studied this question.

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