Hybrid Catalytic Biorefining of Hardwood Biomass to Methylated Furans and Depolymerized Technical Lignin [electronic resource]
Biofuels; Biomass; Fractionation; Hydrodeoxygenation; Lignin.
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Full Text (via OSTI) |
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| Format: | Government Document Electronic eBook |
| Language: | English |
| Published: |
Washington, D.C. : Oak Ridge, Tenn. :
United States. Department of Energy. Office of Energy Efficiency and Renewable Energy ; distributed by the Office of Scientific and Technical Information, U.S. Department of Energy,
2018.
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| Subjects: |
MARC
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| 245 | 0 | 0 | |a Hybrid Catalytic Biorefining of Hardwood Biomass to Methylated Furans and Depolymerized Technical Lignin |h [electronic resource] |
| 260 | |a Washington, D.C. : |b United States. Department of Energy. Office of Energy Efficiency and Renewable Energy ; |a Oak Ridge, Tenn. : |b distributed by the Office of Scientific and Technical Information, U.S. Department of Energy, |c 2018. | ||
| 300 | |a p. 10587-10594 : |b digital, PDF file. | ||
| 336 | |a text |b txt |2 rdacontent. | ||
| 337 | |a computer |b c |2 rdamedia. | ||
| 338 | |a online resource |b cr |2 rdacarrier. | ||
| 500 | |a Published through SciTech Connect. | ||
| 500 | |a 06/28/2018. | ||
| 500 | |a ACS Sustainable Chemistry & Engineering 6 8 ISSN 2168-0485 AM. | ||
| 500 | |a Bhogeswararao Seemala; Xianzhi Meng; Aakash Parikh; Nikhil Nagane; Rajeev Kumar; Charles E. Wyman; Arthur Ragauskas; Phillip Christopher; Charles M. Cai. | ||
| 520 | 3 | |a A robust method is needed to achieve high yield all-catalytic conversion of recalcitrant lignocellulosic biomass to transportation fuels while maximizing carbon utilization from raw substrates. In this paper, to accomplish this, we developed an integrated strategy that combines homogeneous and heterogeneous reactions with a treatment-extraction step to coproduce 2-methylfuran (MF) and 2,5-dimethylfuran (DMF) directly from hardwood poplar while maintaining high catalyst activity. In the first step, poplar wood chips were treated with dilute FeCl<sub>3</sub> in THF-water at subpyrolytic temperature to yield 93.5% furfural (FF) from xylan and 66.0% 5-hydroxymethylfurfural (HMF) from glucan. Concurrently, a highly pure lignin powder was obtained from the liquor by precipitation upon room temperature vacuum recovery of THF from the water. Afterward, FF and HMF were extracted from water into an organic phase consisting of toluene and 1,4-dioxane treated with Ca(OH)<sub>2</sub>. A second hydrodeoxygenation reaction using Cu-Ni/TiO<sub>2</sub> catalyst yielded 87.8% MF from FF and 85.6% DMF from HMF. Characterization of the lignin product showed its molecular weight to be reduced by an order of magnitude from its native state as well as complete removal of its native β-aryl ether linkages without hydrogen input or further heterogeneous catalytic processing. Finally, a 60% cumulative yield of MF, DMF, and lignin products from the available carbon (xylan+glucan+lignin) in poplar was achieved, rivaling more mature cellulosic ethanol strategies. | |
| 520 | 0 | |a Biofuels; Biomass; Fractionation; Hydrodeoxygenation; Lignin. | |
| 536 | |b AC05-00OR22725. | ||
| 536 | |b EE0007006. | ||
| 650 | 7 | |a Biomass Fuels. |2 edbsc. | |
| 710 | 2 | |a Oak Ridge National Laboratory. |4 res. | |
| 710 | 1 | |a United States. |b Department of Energy. |b Office of Energy Efficiency and Renewable Energy. |4 spn. | |
| 710 | 1 | |a United States. |b Department of Energy. |b Office of Scientific and Technical Information. |4 dst. | |
| 856 | 4 | 0 | |u http://www.osti.gov/scitech/biblio/1471887 |z Full Text (via OSTI) |
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| 952 | f | f | |p Can circulate |a University of Colorado Boulder |b Online |c Online |d Online |e E 1.99:1471887 |h Superintendent of Documents classification |i web |n 1 |