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| Hauptseite > Publikationsdatenbank > Fractionation of Lignocellulosic Biomass using the OrganoCat Process |
| Hauptseite > Publikationsdatenbank > Fractionation of Lignocellulosic Biomass using the OrganoCat Process |
| Journal Article | FZJ-2021-01814 |
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2021
JoVE
Cambridge, MA
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Please use a persistent id in citations: http://hdl.handle.net/2128/28642 doi:10.3791/61933
Abstract: The shift from a petroleum-based to a more sustainable and bio-based economy requires the development of new refinery concepts to maintain the supply of raw materials and energy. For these novel and sustainable biorefinery concepts, it is important to use catalysts and solvents that are aligned with the principles of Green Chemistry. Therefore, the implementation of biogenic alternatives can be a promising solution. The lignocellulose pretreatment and fractionation process presented herein-OrganoCat-is an integrated fractionation of lignocellulose into its main components using biogenic acids such as 2,5-furandicarboxylic acid as catalyst. Hemicelluloses and other non-cellulosic polysaccharides are selectively depolymerized by the diluted acid and dissolved, while the crystalline cellulose remains in the solid pulp. In the presence of a second organic phase consisting of biogenic 2-methyltetrahydrofuran, disentangled lignin is extracted in situ. The process allows for the efficient fractionation of the three main components-lignin, cellulose, and non-cellulosic sugars. This helps to focus on the quality of the lignin, the improvement of enzymatic hydrolysis of the cellulose-enriched pulp, and the mild non-cellulosic sugar extraction with low degradation.
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