Journal
JOULE
Volume 3, Issue 4, Pages 1028-1036Publisher
CELL PRESS
DOI: 10.1016/j.joule.2019.02.005
Keywords
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Funding
- National Natural Science Foundation of China [21776273, 21721004, 21690082, 21506213]
- DNL Cooperation Fund, CAS [DNL180301]
- Strategic Priority Research Program of the Chinese Academy of Sciences [XDB17020100]
- National Key Projects for Fundamental Research and Development of China [2016YFA0202801]
- Postdoctoral Science Foundation of China [2017M621172]
- iChEM postdoctoral fellowship
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The catalytic conversion of renewable lignocellulose to transportation fuels is crucial to establish energy security and mitigate CO2 emissions. Here, we describe an effective and integrated strategy for the production of high-density aviation fuel with cellulose, an abundant and inedible raw biomass. First, cellulose was selectively converted to 2,5-hexanedione in a separation yield of 71.4%. Subsequently, a mixture of C-12 and C-18 branched polycycloalkanes was directly obtained in a carbon yield of 74.6% by the aldol condensation-hydrogenation and hydrodeoxygenation reaction of 2,5-hexanedione and hydrogen over a dual-bed catalyst system. The polycycloalkane mixture obtained by this process has high density (0.88 g mL(-1)) and low freezing point (225 K). In real application, they can be used as advanced aviation fuel or additives to improve the volumetric heat values of conventional aviation fuels.
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