Quenching of reactive intermediates during mechanochemical depolymerization of lignin [electronic resource]
Mechanocatalysis; Biomass; Ball Mill; Organosolv Lignin; Scavenger; Hydrolysis.
Saved in:
| Online Access: |
Online Access (via OSTI) |
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| Corporate Author: | |
| Format: | Government Document Electronic eBook |
| Language: | English |
| Published: |
Washington, D.C. : Oak Ridge, Tenn. :
United States. Department of Energy. ; distributed by the Office of Scientific and Technical Information, U.S. Department of Energy,
2017.
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| Subjects: |
MARC
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| 245 | 0 | 0 | |a Quenching of reactive intermediates during mechanochemical depolymerization of lignin |h [electronic resource] |
| 260 | |a Washington, D.C. : |b United States. Department of Energy. ; |a Oak Ridge, Tenn. : |b distributed by the Office of Scientific and Technical Information, U.S. Department of Energy, |c 2017. | ||
| 300 | |a p. 180-189 : |b digital, PDF file. | ||
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| 500 | |a Published through SciTech Connect. | ||
| 500 | |a 05/10/2017. | ||
| 500 | |a "pnnl--sa-120623" | ||
| 500 | |a ": S0920586117302997" | ||
| 500 | |a Catalysis Today 302 ISSN 0920-5861 AM. | ||
| 500 | |a Alex D. Brittain; Natasha J. Chrisandina; Rachel E. Cooper; Michael Buchanan; John R. Cort; Mariefel V. Olarte; Carsten Sievers. | ||
| 520 | 3 | |a Mechanochemical reactions are performed to depolymerize organosolv lignin with sodium hydroxide in a mixer ball mill. GPC analysis reveals that rapid depolymerization into small oligomers occurs within minutes of milling time, followed by a slower reduction in average relative molecular mass over the next 8 h of milling. Monomeric products are identified by GC-MS and quantified by GC-FID. The extent of depolymerization appears to be limited by repolymerization reactions that form bonds between products. Suppression of these repolymerization reactions can be achieved through the addition of methanol as a scavenger or adjustment of the moisture content of the feedstock. These modifications result in lower average relative molecular masses and higher yields of monomers. These results are an important step towards designing an efficient pathway for lignin valorization. | |
| 520 | 0 | |a Mechanocatalysis; Biomass; Ball Mill; Organosolv Lignin; Scavenger; Hydrolysis. | |
| 536 | |b AC05-76RL01830. | ||
| 650 | 7 | |a Inorganic, Organic, Physical, And Analytical Chemistry. |2 edbsc. | |
| 710 | 2 | |a Pacific Northwest National Laboratory (U.S.). |4 res. | |
| 710 | 1 | |a United States. |b Department of Energy. |4 spn. | |
| 710 | 1 | |a United States. |b Department of Energy. |b Office of Scientific and Technical Information. |4 dst. | |
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