2021
DOI: 10.1016/j.cattod.2020.04.022
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On the influence of acidic admixtures in furfural on the performance of MgAl mixed oxide catalysts in aldol condensation of furfural and acetone

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Cited by 29 publications
(12 citation statements)
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“…In particular, the characteristic bands of the conjugated carbonyl group are located at 1691 and 1674 cm −1 , the aromatic C�C stretch at 1464 cm −1 , the C−H aldehyde stretch at 2849 and 2811 cm −1 (as shown in the inset), and the C−O stretch at 1157 cm −1 . 60 The band at 1367 cm −1 corresponds to the bending mode of C−H aldehyde. 61 Under a flowing gas, the intensities of all of the furfuralrelated vibrations gradually decreased and eventually reached a steady state, which indicated that the surface of the Pd@KAPs catalyst was saturated with furfural.…”
Section: ■ Results and Discussionmentioning
confidence: 99%
“…In particular, the characteristic bands of the conjugated carbonyl group are located at 1691 and 1674 cm −1 , the aromatic C�C stretch at 1464 cm −1 , the C−H aldehyde stretch at 2849 and 2811 cm −1 (as shown in the inset), and the C−O stretch at 1157 cm −1 . 60 The band at 1367 cm −1 corresponds to the bending mode of C−H aldehyde. 61 Under a flowing gas, the intensities of all of the furfuralrelated vibrations gradually decreased and eventually reached a steady state, which indicated that the surface of the Pd@KAPs catalyst was saturated with furfural.…”
Section: ■ Results and Discussionmentioning
confidence: 99%
“…In addition, we also explored the applicability of the ball-milling method for the condensation of other biomass-derived aldehydes and ketones (Table ). Among them, furfural is a key biomass platform chemically derived from hemicellulose . MO, MIBK, and isophorone can be obtained by the self-condensation/hydrogenation of acetone. ,,, Cyclohexanone can be produced from lignin-derived phenolic compounds by selective hydrogenation. According to Table , the ball-milling method is active for all investigated condensation reactions.…”
Section: Results and Discussionmentioning
confidence: 99%
“…Among them, furfural is a key biomass platform chemically derived from hemicellulose. 25 MO, MIBK, and isophorone can be obtained by the selfcondensation/hydrogenation of acetone. 8,11,26,27 Cyclohexanone can be produced from lignin-derived phenolic compounds by selective hydrogenation.…”
Section: ■ Results and Discussionmentioning
confidence: 99%
“…It was shown in our recent article [45] that acid impurities in furfural could influence the performance of solids with basic properties in aldol condensation, and that catalyst was partially spent for the neutralization of the acid impurities. Moreover, a routine distillation of an as-received furfural had only a temporary effect on the properties of a furfural source, which was readily re-oxidized and became acidic even if stored in a dark place at decreased temperature.…”
Section: Catalytic Testsmentioning
confidence: 96%