Kinetic model for the dehydration of xylose to furfural from a boronate diester precursor

Ricciardi, Luca; Verboom, Willem; Lange, Jean‐Paul; Huskens, Jurriaan

doi:10.1039/d2ra06898b

Cited by 5 publications

(5 citation statements)

References 36 publications

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“…This reached the desired temperature in 10 min. Lastly, the same glass autoclave and heating block from previous research ,, were used. As this had no internal thermometer, the heating rate was unknown.…”

Section: Resultsmentioning

confidence: 99%

“…Therefore, the first order was chosen for all the data presented in this work. The second order in xylose for the degradation product formation was chosen to be in line with previous work …”

Section: Methodsmentioning

confidence: 99%

“…The second step is the conversion of xylose to furfural. In line with previous work, a secondary parallel reaction is also included for the conversion of xylose to degradation products, indicated by ‘D’. The same model was used for the conversion of free xylose (PBA) 2 X and (NBA) 2 X to furfural.…”

Section: Methodsmentioning

confidence: 99%

“…A kinetic model was constructed to predict the evolution of the concentrations of xylose, furfural, xylose boronate diester, and boronic acid over time, based on the model developed and validated by Ricciardi. 8 Figure 1 shows the reaction pathways this model is based on. The first step is the hydrolysis of the xylose diboronate ester into free xylose and boronic acid.…”

Section: ■ Introductionmentioning

confidence: 99%

“…The second order in xylose for the degradation product formation was chosen to be in line with previous work. 8 With these reaction rates, mole balances for all components could be constructed…”

Section: ■ Introductionmentioning

confidence: 99%

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Kinetics of Furfural Formation from Xylose via a Boronic Ester Intermediate

van der Wal,

Lange,

Kersten

et al. 2024

ACS Sustainable Chem. Eng.

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Previous studies showed that furfural can be made from lignocellulosic biomass with higher selectivity when the xylose is first converted to a boronic ester intermediate. So far, this has only been demonstrated on a laboratory scale with lab-grade reagents. This work aims to lay out the foundations needed for future development of an industrial process. Several parameters have been investigated, such as stirring rate, temperature, and choice of solvent and boronic acid. The reaction has also been validated for use with a real feedstock (i.e., bagasse acid hydrolysate). Additionally, a model has been developed for one combination of reagents, which predicts that at temperatures above 220 °C and a residence time below 400 s, furfural can be made from xylose via this route at more than 70% selectivity on a molar basis and 0.1 t/m 3 /h.

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Section: Resultsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: ■ Introductionmentioning

confidence: 99%

Section: ■ Introductionmentioning

confidence: 99%

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