Synthesis of renewable diesel and jet fuel range alkanes using 2-methylfuran and cyclohexanone

Sun, Shaoying; Zhang, Xing; Li, Yanqing; Shao, Xianzhao; Ji, Jianwei; Liu, Junhai; Wang, Wei; Li, Zhizhou; Ji, Xiaohui

doi:10.1039/d2ra01987f

Cited by 8 publications

(3 citation statements)

References 29 publications

(31 reference statements)

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“…RD (originally termed hydrotreated vegetable oils) is essentially a set of alkane hydrocarbons highly comparable to and compatible with conventional diesel and can be blended with conventional diesel at any ratio up to 100%; moreover, the high energy density, very similar storage stability to diesel and claims of lower pollutant emissions all combine to portray RD as a superior biofuel to ethanol or biodiesel [7] [28] [29]. Novel catalysts are continuing to be developed for highly efficient RD production [30] [31]. Commercial RD production uses hydrotreatment of various lipid feedstocks; other processes under development are mostly chemical, including pyrolysis, gasification and hydrothermal processing of biomass feedstocks [17].…”

Section: Renewable Diesel and Sustainable Aviation Fuelmentioning

confidence: 99%

Past, Present and Future: A Role for Liquid Biofuels in Transitioning to Net Zero?

Mousdale

2024

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Over the last decade, the uptake rate of first-generation biofuels (ethanol and biodiesel) has decelerated as low blend limits have increased only slowly and extreme volatility in oil prices has limited investment in biofuels production infrastructure. Concerns over the environmental impacts of large-scale biofuels production combined with tariff barriers have greatly restricted the global trade in biofuels. First-generation biofuels produced either by fermentation of sugars from maize or sugarcane (ethanol) or transesterification of triglycerides (biodiesel) presently contribute less than 4% of terrestrial transportation fuel demand and techno-economic modelling foresees this only slowly increasing by 2035. With internal combustion and diesel engines widely anticipated as being phased out in favour of electric power for motor vehicles, a muchreduced market demand for biofuels is likely if global demand for all liquid fuels declines by 2050. However, second-generation, thermochemically produced and biomass-derived fuels (renewable diesel, marine oils and sustainable aviation fuel) have much higher blend limits; combined with policies to decarbonise the aviation and marine industries, major new markets for these products in terrestrial, marine and aviation sectors may emerge in the second half of the 21st century.

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Section: Renewable Diesel and Sustainable Aviation Fuelmentioning

confidence: 99%

Past, Present and Future: A Role for Liquid Biofuels in Transitioning to Net Zero?

Mousdale

2024

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“…Meanwhile, the catalyst underwent characterization through acid-base titration and infrared spectroscopy. The HAA product of cyclopentaenone and 2-methylfuran was further converted to aviation kerosene by hydrodeoxygenation (HDO) over Ni/SiO2 catalyst prepared using the wet method at 93% yield [69].…”

Section: Hydroxylalkylation/alkylation Reaction Of Methylfuran and Cy...mentioning

confidence: 99%

Recent Progress in the Conversion of Methylfuran into Value-Added Chemicals and Fuels

Wang,

Yan,

Sun

et al. 2024

Molecules

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2-methylfuran is a significant organic chemical raw material which can be produced by hydrolysis, dehydration, and selective hydrogenation of biomass hemicellulose. 2-methylfuran can be converted into value-added chemicals and liquid fuels. This article reviews the latest progress in the synthesis of liquid fuel precursors through hydroxyalkylation/alkylation reactions of 2-methylfuran and biomass-derived carbonyl compounds in recent years. 2-methylfuran reacts with olefins through Diels–Alder reactions to produce chemicals, and 2-methylfuran reacts with anhydrides (or carboxylic acids) to produce acylated products. In the future application of 2-methylfuran, developing high value-added chemicals and high-density liquid fuels are two good research directions.

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“…There is a need to develop sustainable and economically feasible routes to high-density cyclic hydrocarbons using lignocellulosics that meet aviation fuel standards. − Cyclopentanone (CP), a cyclic hydrocarbon, is an important chemical intermediate used in the manufacturing of pharmaceuticals, insecticides, and rubber chemicals and is currently produced by the decarboxylation of adipic acid at high temperatures . However, CP is also a potential lignocellulosic platform chemical with wide feedstock availability and low price .…”

Section: Introductionmentioning

confidence: 99%

Plasma-Activated Solid Base Carbon Monolith Catalyst for Continuous Synthesis of High-Density Aviation Fuel Precursors

Sripada,

Vasefi,

Kastner

2024

Ind. Eng. Chem. Res.

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Cyclopentanone (CP), a cyclic hydrocarbon, is a potential biobased platform chemical for the synthesis of highdensity jet fuel range cycloalkanes. The base-catalyzed selfcondensation of CP yields 2-cyclopentylidene cyclopentanone (2-CP) and 2,5-dicyclopentylidene cyclopentanone (3-CP). 2-CP has applications in fuels, fragrances, and flavors, and 3-CP is used as a precursor for diesel-grade products. In this study, solid base activated carbon monolith (ACM)-supported hydrotalcite catalysts (HT/ACM) were synthesized using traditional thermal calcination, rehydration, and air plasma techniques and demonstrated for continuous cyclopentanone self-condensation. Among the ACMsupported hydrotalcites, the HT/ACM activated by air plasma at 100 W for 1 min (PHT/ACM-100W) displayed a higher 2-CP space time yield of 641 g L-cat −1 h −1 and selectivity of 27% (220 °C, 1 atm, 0.73 min vapor phase contact time). PHT/ACM-100W displayed a higher CP conversion (42%) compared to the unsupported calcined (34%, 500 °C for 4 h) and rehydrated (39.5%, 8 h at 105 °C) hydrotalcite catalysts yet significantly lower space time yields, suggesting low hydrotalcite distribution and loading on the carbon monolith. The plasma-activated carbon monolith-supported hydrotalcite catalysts synthesized in this work are promising alternatives to the thermally activated and rehydrated hydrotalcites for the catalytic upgrading of biobased cyclic and linear ketones.

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Synthesis of renewable diesel and jet fuel range alkanes using 2-methylfuran and cyclohexanone

Abstract: New solid acid catalysts were prepared by bisphenol A, paraformaldehyde, and applied to HAA of 2-methylfuran (2-MF) and cyclohexanone. Hydrodeoxygenation (HDO) of HAA products of 2-MF and cyclopentanone were processed on Ni/SiO2 catalyst.

Cited by 8 publications

References 29 publications

Past, Present and Future: A Role for Liquid Biofuels in Transitioning to Net Zero?

Past, Present and Future: A Role for Liquid Biofuels in Transitioning to Net Zero?

Recent Progress in the Conversion of Methylfuran into Value-Added Chemicals and Fuels

Plasma-Activated Solid Base Carbon Monolith Catalyst for Continuous Synthesis of High-Density Aviation Fuel Precursors

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