Feasibility study on bio-heavy fuel as an alternative for marine fuel

Jun-Soo Kim and Jae-Hyuk Choi

Renewable Energy, 2023, vol. 219, issue P2

Abstract: Bio-heavy fuels are considered suitable as environmentally friendly, carbon-neutral alternative fuels. To verify whether bio-marine oil blended with biofuel oil can be used in ships, this study confirmed the effects of bio-marine oil on engine performance, durability, and emissions through three shore-based tests. Subsequent 10-day tests onboard an operating commercial vessel confirmed the feasibility of long-term use and compatibility with onboard ship equipment. The shore-based tests comparing bio-marine oil and the fuel tested by engine manufacturers revealed no differences in engine performance and durability. When bio-marine oil was used, CO2 emissions decreased by 16 % (well-to-wake) compared with those for the reference fuel. However, NOx emissions increased by 17 %; the fuel injection timing was adjusted to meet the International Maritime Organization emission regulations, decreasing the NOx emissions by 13 %. The onboard test results revealed no anomalies during storage and purification using the ship's facilities. When the fuel was transferred at a temperature of less than 50 °C, the particle filter installed on the vessel was clogged. No particular problems were observed during the continuous engine operation for 9 days. A comparison of the engine performance before and after using this fuel confirmed that the engine performance remained unchanged.

Keywords: Bio-marine oil; NOx Emission; Equipment compatibility; International maritime organization regulation; Engine performance; Alternative fuel (search for similar items in EconPapers)
Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:219:y:2023:i:p2:s0960148123014581

DOI: 10.1016/j.renene.2023.119543

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