Improving saccharification efficiency of corn stover through ferric chloride-deep eutectic solvent pretreatment
Copyright © 2024 Elsevier Ltd. All rights reserved..
An effective deep eutectic solvent (DES) and Iron(III) chloride (FeCl3) combination pretreatment system was developed to improve the removal efficiency of lignin and hemicellulose from corn stover (CS) and enhance its saccharification. N-(2-hydroxyethyl)ethylenediamine (NE) was selected as the hydrogen-bond-donor for preparing ChCl-based DES (ChCl:NE), and a mixture of ChCl:NE (60 wt%) and FeCl3 (0.5 wt%) was utilized for combination pretreatment of CS at 110 ℃ for 50 min. FeCl3/ChCl:NE effectively removed lignin (87.0 %) and xylan (55.9 %) and the enzymatic hydrolysis activity of FeCl3/ChCl:NE-treated CS was 5.5 times that of CS. The reducing sugar yield of pretreated CS was 98.6 %. FeCl3/ChCl:NE significantly disrupted the crystal structure of cellulose in CS and improved the removal of lignin and hemicellulose, enhancing the conversion of cellulose and hemicellulose into monomeric sugars. Overall, this combination of FeCl3 and DES pretreatment methods has high application potential for the biological refining of lignocellulose.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:399 |
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| Enthalten in: |
Bioresource technology - 399(2024) vom: 11. Apr., Seite 130579 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Zhang, Danping [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 12.04.2024 Date Revised 12.04.2024 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.biortech.2024.130579 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a An effective deep eutectic solvent (DES) and Iron(III) chloride (FeCl3) combination pretreatment system was developed to improve the removal efficiency of lignin and hemicellulose from corn stover (CS) and enhance its saccharification. N-(2-hydroxyethyl)ethylenediamine (NE) was selected as the hydrogen-bond-donor for preparing ChCl-based DES (ChCl:NE), and a mixture of ChCl:NE (60 wt%) and FeCl3 (0.5 wt%) was utilized for combination pretreatment of CS at 110 ℃ for 50 min. FeCl3/ChCl:NE effectively removed lignin (87.0 %) and xylan (55.9 %) and the enzymatic hydrolysis activity of FeCl3/ChCl:NE-treated CS was 5.5 times that of CS. The reducing sugar yield of pretreated CS was 98.6 %. FeCl3/ChCl:NE significantly disrupted the crystal structure of cellulose in CS and improved the removal of lignin and hemicellulose, enhancing the conversion of cellulose and hemicellulose into monomeric sugars. Overall, this combination of FeCl3 and DES pretreatment methods has high application potential for the biological refining of lignocellulose | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Combination pretreatment | |
| 650 | 4 | |a Delignification | |
| 650 | 4 | |a Enzymatic hydrolysis | |
| 650 | 4 | |a Iron(III) chloride | |
| 650 | 4 | |a Xylan removal | |
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| 700 | 1 | |a Xu, Haixu |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Hanxiao |e verfasserin |4 aut | |
| 700 | 1 | |a He, Yu-Cai |e verfasserin |4 aut | |
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