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Submitted
October 30, 2025
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December 30, 2025
Published
January 8, 2026
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Abstract

The increasing volume of global plastic waste, which has exceeded 367 million tons per year, has created a serious environmental problem, particularly in Indonesia, which contributes about 17% of the national waste. Mechanical recycling and direct incineration are considered less optimal due to limited product quality and potential pollution. As an alternative, pyrolysis offers a promising technology to convert plastic waste into liquid fuel (pyrolysis oil) with characteristics similar to conventional fuels. This study utilized even-numbered plastic wastes (HDPE, LDPE, PS) through pyrolysis at 300 °C for 45 minutes with a reactor capacity of 5 kg, producing 1 L of pyrolysis oil per batch. Characterization results indicated that most fuel parameters met ASTM standards, such as Total Acid Number (0.02 mg KOH/g), flash point (61 °C), and sulphur content (0.005%), although some deviations were found in water content, carbon residue, and cetane number. To improve its quality, 0.2% solketal was added as an oxygenated additive, which significantly enhanced engine performance and reduced emissions. Performance testing using a D-4D diesel engine demonstrated improved fuel efficiency, while emission tests showed lower opacity and CO levels, along with more complete combustion indicated by higher CO₂ emissions. These findings confirm that integrating pyrolysis with solketal additives can produce a more efficient, environmentally friendly alternative fuel with potential for application in sustainable energy industries.

Keywords

emission test fuel additive liquid fuel plastic waste pyrolysis solketal

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Copyright (c) 2026 Noor Fitri, Hafizh Royhan, Nabila Ayu Maulidia, Reydi Arman, Ari Irawan Irawan, Eko Supriadi, Muhammad Jahiding Jahiding, Mashuni

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How to Cite
Fitri, N., Royhan, H. ., Maulidia, N. A. ., Arman, R. ., Irawan, A. I., Supriadi, E. ., Jahiding, M. J., & Mashuni. (2026). Studi Kualitas Bahan Bakar Cair Hasil Pirolisis Limbah Plastik dengan Penambahan Aditif Solketal: indonesia. AJIE (Asian Journal of Innovation and Entrepreneurship), 10(1), 30–40. https://doi.org/10.20885/ajie.vol10.iss1.art3
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