Analysis of the Relationship between the Low-Temperature Properties and Distillation Profiles of HEFA-Processed Bio-Jet Fuel

Hwayeon Jeon, Jo Yong Park, Mirae Ok, Gi Bo Han, Jae Woo Lee () and Jae-Kon Kim ()
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Hwayeon Jeon: Research Institute of Future Technology, Korea Petroleum Quality & Distribution Authority, Cheongju 28115, Republic of Korea
Jo Yong Park: Research Institute of Future Technology, Korea Petroleum Quality & Distribution Authority, Cheongju 28115, Republic of Korea
Mirae Ok: Research Institute of Future Technology, Korea Petroleum Quality & Distribution Authority, Cheongju 28115, Republic of Korea
Gi Bo Han: Plant Engineering Center, Institute for Advanced Engineering, Yongin 17180, Republic of Korea
Jae Woo Lee: Department of Environmental Engineering, Korea University, Sejong 30019, Republic of Korea
Jae-Kon Kim: Research Institute of Future Technology, Korea Petroleum Quality & Distribution Authority, Cheongju 28115, Republic of Korea

Sustainability, 2023, vol. 15, issue 1, 1-18

Abstract: The greenhouse gas (GHG) emission mandate on jet fuel requires a gradual reduction in the fuel’s GHG emissions, up to 50%, by 2050. For this reason, the demand for bio-jet fuel blended with conventional petroleum-derived jet fuel will increase. In order to meet the quality requirement of blended fuels (ASTM D7566), modeling that can predict the correlation between properties is required. Our aim was to predict the low-temperature properties using the distillation profile results obtained from Simulated Distillation (SIMDIS) according to the carbon number and chemical compositions of bio-jet fuel through correlation and regression analysis. We used hydroprocessed ester and fatty acid (HEFA) bio-jet fuel and hydrocarbon reagents that included C 8 , C 10 , and C 12 carbons and five main families of hydrocarbons for blended jet fuel. This study shows an overall trend for each component, indicating that the distilled volume fraction is more affected than the carbon number. In the case of the freezing point, by composition, n -paraffin and naphthene have regression coefficients of more than 0.85 for the 50% and 60% recovery temperatures, respectively. In terms of carbon number, the C 8 sample has a significant regression coefficient for the 40% recovery temperature, and C 10 has a significant regression coefficient for the initial boiling point (IBP) and 10% recovery temperature. In the case of kinematic viscosity, by composition, the regression coefficient is significant for the 20% to 40% recovery temperatures. For naphthene, the kinematic viscosity exhibited no relationship with carbon number. This information can be utilized to determine the blended ratio of bio-jet fuel and conventional jet fuel in newly certified or commercial applications.

Keywords: bio-jet fuel; freezing point; hydroprocessed ester and fatty acids (HEFA); kinematic viscosity; Simulated Distillation (SIMDIS) (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2023
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