Conversion of Xylose to Furfural over Lignin-Based Activated Carbon-Supported Iron Catalysts
Rusanen, A., Kupila, R., Lappalainen, K., Kärkkäinen, J., Hu, T., & Lassi, U. (2020). Conversion of Xylose to Furfural over Lignin-Based Activated Carbon-Supported Iron Catalysts. Catalysts, 10(8), Article 821. https://doi.org/10.3390/catal10080821
Hu, Tao |
© 2020 the Authors
In this study, conversion of xylose to furfural was studied using lignin-based activated carbon-supported iron catalysts. First, three activated carbon supports were prepared from hydrolysis lignin with different activation methods. The supports were modified with different metal precursors and metal concentrations into five iron catalysts. The prepared catalysts were studied in furfural production from xylose using different reaction temperatures and times. The best results were achieved with a 4 wt% iron-containing catalyst, 5Fe-ACs, which produced a 57% furfural yield, 92% xylose conversion and 65% reaction selectivity at 170 °C in 3 h. The amount of Fe in 5Fe-ACs was only 3.6 µmol and using this amount of homogeneous FeCl3 as a catalyst, reduced the furfural yield, xylose conversion and selectivity. Good catalytic activity of 5Fe-ACs could be associated with iron oxide and hydroxyl groups on the catalyst surface. Based on the recycling experiments, the prepared catalyst needs some improvements to increase its stability but it is a feasible alternative to homogeneous FeCl3. ...
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Additional information about fundingThis research was funded by Fortum Foundation, grant numbers 201800022 and 20190005, the EU/Interreg Botnia-Atlantica, grant number 20201508, the Foundation of Tauno Tönning, grant number 20190154 and Nessling Foundation, grant number 201800070.
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