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Deciphering ‘water-soluble lignocellulose’ obtained by mechanocatalysis: new insights into the chemical processes leading to deep depolymerization

MPS-Authors
http://pubman.mpdl.mpg.de/cone/persons/resource/persons132921

Käldström,  Mats
Research Group Rinaldi, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons58815

Meine,  Niklas
Research Department Schüth, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons58537

Farès,  Christophe
Service Department Farès (NMR), Max-Planck-Institut für Kohlenforschung, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons58985

Schüth,  Ferdi
Research Department Schüth, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons58928

Rinaldi,  Roberto
Research Group Rinaldi, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Citation

Käldström, M., Meine, N., Farès, C., Schüth, F., & Rinaldi, R. (2014). Deciphering ‘water-soluble lignocellulose’ obtained by mechanocatalysis: new insights into the chemical processes leading to deep depolymerization. Green Chemistry, (7), 3528-3538. doi:10.1039/C4GC00004H.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0024-86B3-0
Abstract
Recently, the mechanocatalytic depolymerization of lignocelluloses yielding ‘water-soluble lignocelluloses’ was demonstrated. Water-soluble C5 & C6 sugars and sulfur-free lignins are formed through the saccharification of the oligosaccharides, allowing for the fractionation of biomass by simple filtration. Herein, we present an in-depth analysis of water-soluble products obtained from beechwood. The complex nature of the ‘water-soluble beechwood’ is investigated by 2D HSQC NMR, HPLC and gel filtration chromatography. The detailed analysis of the ‘water-soluble beechwood’ lends significant insights into the chemical nature of the lignocellulose depolymerization driven by the mechanical forces.