Acid-catalyzed mechanocatalytic pretreatment to improve sugar release from birch sawdust : Structural and chemical aspects
Lempiäinen, H., Lappalainen, K., Mikola, M., Tuuttila, T., Hu, T., & Lassi, U. (2022). Acid-catalyzed mechanocatalytic pretreatment to improve sugar release from birch sawdust : Structural and chemical aspects. Catalysis Today, 397-399(550-561). https://doi.org/10.1016/j.cattod.2021.06.015
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Catalysis TodayAuthors
Hu, Tao |
Date
2022Copyright
© 2021 The Authors. Published by Elsevier B.V.
This study examined acid-catalyzed mechanocatalytic pretreatment of birch sawdust without a separate impregnation step. Catalyst amount and pretreatment time were the key variables. Pretreated material was mixed with water for hydrolysis (100 °C, 60 min). The efficient release of total reducing sugars from birch sawdust is significant to the path towards biofuels and biochemicals. Based on the results, the structure and surface of birch sawdust changed as a function of mechanocatalytic pretreatment. Milling time caused significant transformations in birch structure and also increased the yields of reducing sugars. The highest yield of total reducing sugar from pretreated sawdust was 23.0% after 30 min of hydrolysis with 1.0 mmol/g acid catalyst, whereas the highest glucose yield was 23.8 g/kg (1.5 mmol/g catalyst, 60 min) and the highest xylose yield was 37.5 g/kg (1.0 mmol/catalyst, 30 min). Overall, acid-catalyzed mechanocatalytic treatment seems to improve sugar yields from birch.
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Elsevier BVISSN Search the Publication Forum
0920-5861Keywords
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https://converis.jyu.fi/converis/portal/detail/Publication/99012670
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Related funder(s)
European Commission; Regional Council of Central OstrobothniaFunding program(s)
Interreg Programmes; ERDF European Regional Development Fund, React-EU
The content of the publication reflects only the author’s view. The funder is not responsible for any use that may be made of the information it contains.
Additional information about funding
This work was supported by the Biomass Value Chains project (A71029, the EU/European Regional Development Fund, Leverage from the EU program), the Forest Refine project (Interreg Botnia-Atlantica), the Bioraff Botnia project (20200327, Interreg Botnia-Atlantica), and the Support Association of the Chydenius Institute.License
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