Alkyl bicyclo[2.2.2]octanes as high-energy-density bio-aviation fuel

IF 7.2 2区工程技术 Q1 CHEMISTRY, APPLIED

Fuel Processing Technology Pub Date : 2024-02-01 DOI:10.1016/j.fuproc.2024.108047

Seong-Min Cho , Jong-Chan Kim , Jonghwa Kim , Young-Min Cho , Hyo Won Kwak , Bonwook Koo , In-Gyu Choi

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Abstract

This study focuses on developing a new class of high energy density (HED) bio-aviation fuel. Alkyl bicyclo[2.2.2]octanes (ABCOs) were designed as potential HED aviation fuel, and a C₁₂ ABCOs mixture was synthesized from renewable resources (α-phellandrene and maleic anhydride) using the Diels–Alder cycloaddition followed by hydrotreating. The synthesized ABCOs exhibited favorable fuel properties as HED fuel, including a gravimetric net heat of combustion comparable to Jet A-1 and higher density and volumetric net heat of combustion. ABCOs standalone showed poor low-temperature viscosities than Jet A-1 specifications but demonstrated no freezing behaviors even at extremely low temperatures. Fuel properties after blending ABCOs with Jet-A1 were also investigated, determining an upper limit of blending ratio of 44.1 vol%. These findings suggest that ABCOs can serve as a promising drop-in fuel for conventional jet fuel, while also potentially contributing to the formulation of bio-based and zero-aromatic high-performance jet fuels as a density-increasing component.

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作为高能量密度生物航空燃料的烷基双环[2.2.2]辛烷

本研究的重点是开发一种新型高能量密度（HED）生物航空燃料。研究人员设计了烷基双环[2.2.2]辛烷（ABCOs）作为潜在的高能量密度航空燃料，并利用 Diels-Alder 环加成法和加氢处理从可再生资源（α-黄柏烯和马来酸酐）合成了 C12 ABCOs 混合物。合成的 ABCOs 具有良好的 HED 燃料特性，包括与 Jet A-1 相当的重量净燃烧热以及更高的密度和体积净燃烧热。单独 ABCOs 的低温粘度低于 Jet A-1 规格，但即使在极低的温度下也不会出现冻结现象。此外，还研究了 ABCO 与 Jet-A1 混合后的燃料特性，确定混合比例的上限为 44.1%。这些研究结果表明，ABCOs 可作为传统喷气燃料的替代燃料，同时还可作为密度增加成分，为生物基和零芳烃高性能喷气燃料的配制做出潜在贡献。

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来源期刊

Fuel Processing Technology 工程技术-工程：化工

CiteScore

13.20

自引率

9.30%

发文量

398

审稿时长

26 days

期刊介绍： Fuel Processing Technology (FPT) deals with the scientific and technological aspects of converting fossil and renewable resources to clean fuels, value-added chemicals, fuel-related advanced carbon materials and by-products. In addition to the traditional non-nuclear fossil fuels, biomass and wastes, papers on the integration of renewables such as solar and wind energy and energy storage into the fuel processing processes, as well as papers on the production and conversion of non-carbon-containing fuels such as hydrogen and ammonia, are also welcome. While chemical conversion is emphasized, papers on advanced physical conversion processes are also considered for publication in FPT. Papers on the fundamental aspects of fuel structure and properties will also be considered.