Journal
AICHE JOURNAL
Volume 63, Issue 2, Pages 680-688Publisher
WILEY
DOI: 10.1002/aic.15410
Keywords
high-density biofuel; hydroxyalkylation; alkylation; 2-methylfuran; cyclic ketones; hydrophobic resin
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Funding
- National Natural Science Foundation of China [U1462119, 21476168]
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Hydroxyalkylation/alkylation of biomass-derived 2-methylfuran with cyclic ketones (cyclopentanone and cyclohexanone) has great potential in synthesizing high-density biofuel. But the conversion and selectivity are still unsatisfactory because the in-situ formed water decreases the acidity of catalyst and induces side reaction. Herein, hydrophobic mesoporous resins with sulfonic acid group (PS) and fluoride sulfonic acid group (PCS) were synthesized by a simple solvothermal reaction and ion exchange treatment, which have good mesoporous structure with surface area of 300-700 m(2)/g. Notably, PS and PCS have better hydrophobicity and oleophilicity as compared to widely used sulfonic acid functional amberlyst-15 and fluoride sulfonic acid functional nafion-212. In the hydroxyalkylation/alkylation reaction, PS shows higher activity and selectivity than amberlyst-15 while PCS surpasses nafion-212. Furthermore, both PS and PCS have good recycling stability in consecutive 5 runs. After hydrodeoxygenation, two high-density biofuels with density of 0.819 and 0.825 g/mL were obtained. (c) 2016 American Institute of Chemical Engineers AIChE J, 63: 680-688, 2017
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