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Tytuł pozycji:

Synergistic benefits from a lignin-first biorefinery of poplar via coupling acesulfamate ionic liquid followed by mild alkaline extraction.

Tytuł :
Synergistic benefits from a lignin-first biorefinery of poplar via coupling acesulfamate ionic liquid followed by mild alkaline extraction.
Autorzy :
Xu J; School of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, Wuhan 430081, China; School of Environmental Science & Engineering, Huazhong University of Science and Technology, Wuhan 430074, China. Electronic address: .
Dai L; Tianjin Key Laboratory of Pulp and Paper, Tianjin University of Science and Technology, Tianjin 300457, China.
Gui Y; School of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, Wuhan 430081, China.
Yuan L; School of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, Wuhan 430081, China.
Zhang C; School of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, Wuhan 430081, China.
Lei Y; Center for Energy Resources Engineering, Department of Chemistry, Technical University of Denmark, Lyngby 2800, Denmark.
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Źródło :
Bioresource technology [Bioresour Technol] 2020 May; Vol. 303, pp. 122888. Date of Electronic Publication: 2020 Jan 23.
Typ publikacji :
Journal Article
Język :
English
Journal Info :
Publisher: Elsevier Applied Science Country of Publication: England NLM ID: 9889523 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1873-2976 (Electronic) Linking ISSN: 09608524 NLM ISO Abbreviation: Bioresour. Technol. Subsets: MEDLINE
Imprint Name(s) :
Original Publication: Barking, Essex, England : New York, N.Y. : Elsevier Applied Science ; Elsevier Science Pub. Co., 1991-
MeSH Terms :
Ionic Liquids*
Populus*
Cellulose ; Hydrolysis ; Ions ; Lignin
Contributed Indexing :
Keywords: Alkaline pretreatment; Enzymatic hydrolysis; Hemicellulose; Ionic liquid; Lignin-first biorefinery
Substance Nomenclature :
0 (Ionic Liquids)
0 (Ions)
9004-34-6 (Cellulose)
9005-53-2 (Lignin)
Entry Date(s) :
Date Created: 20200207 Date Completed: 20200226 Latest Revision: 20200226
Update Code :
20200716
DOI :
10.1016/j.biortech.2020.122888
PMID :
32028215
Czasopismo naukowe
A novel mind-set, termed lignin-first biorefinery, is bewitching to synchronously boost lignin output for entirely lignocellulosic utilization. A lignin-first fractionation, using a food-additive derived ionic liquid (1-ethyl-3-methylimidazolium acesulfamate, emimAce) and mild alkaline pretreatments, was formed for the purposely isolating poplar lignin, whilst delivering a cellulose-rich substrate that can be easily available for enzymatic digestion. The emimAce-driven lignin, alkali-soluble lignin and hemicellulose, and accessible cellulose were sequentially gained. We introduce a lignin-first approach to extract the amorphous fractions, destroy the robust architecture, and reform cellulose-I to II, thereby advancing the cellulose bioconversion from 15.4 to 90.5%. A harvest of 70.7% lignin, 52.1% hemicellulose, and 330.1 mg/g glucose was fulfilled from raw poplar. A structural ''beginning-to-end'' analysis of lignin inferred that emimAce ions are expected to interact with lignin β-aryl-ether due to their aromatic character. It was reasonable to derive benefits from lignin-first technique that can substantially augment the domain of biorefinering.
(Copyright © 2020 Elsevier Ltd. All rights reserved.)

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