Exploring the Effect of Water Content and Anion on the Pretreatment of Poplar with Three 1-Ethyl-3-methylimidazolium Ionic Liquids
Abstract
:1. Introduction
2. Results
2.1. Pulp Appearance
2.2. Pulp Yields
2.3. Compositional Analysis
2.3.1. Composition of [EMim][OAc] Pulps
2.3.2. Composition of [EMim][MeSO3] Pulps
2.3.3. Composition of [EMim][HSO4] Pulps
2.4. Saccharification Yields
2.5. Lignin Yields
3. Discussion
4. Materials and Methods
4.1. Materials
4.2. Feedstock
4.3. Pretreatment
4.4. Feedstock and Pulp Characterisation
4.4.1. Moisture Content
4.4.2. Compositional Analysis
4.5. Enzymatic Saccharification
5. Conclusions
Supplementary Materials
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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Sample Availability: Samples of the compounds are not available from the authors. |
Full Name | Hydrogen Bond Basicity (Kamlet-Taft β Parameter) | Solvent Acidity | |
---|---|---|---|
[EMim][OAc] | 1-ethyl-3-methylimidazolium acetate | 1.23 [30] | Basic [30] |
[EMim][MeSO3] | 1-ethyl-3-methylimidazolium methanesulfonate | 0.77 a [22] | Neutral |
[EMim][HSO4] | 1-ethyl-3-methylimidazolium hydrogen sulfate | 0.67 b [22] | Acidic [31] |
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Gschwend, F.J.V.; Hallett, J.P.; Brandt-Talbot, A. Exploring the Effect of Water Content and Anion on the Pretreatment of Poplar with Three 1-Ethyl-3-methylimidazolium Ionic Liquids. Molecules 2020, 25, 2318. https://doi.org/10.3390/molecules25102318
Gschwend FJV, Hallett JP, Brandt-Talbot A. Exploring the Effect of Water Content and Anion on the Pretreatment of Poplar with Three 1-Ethyl-3-methylimidazolium Ionic Liquids. Molecules. 2020; 25(10):2318. https://doi.org/10.3390/molecules25102318
Chicago/Turabian StyleGschwend, Florence J. V., Jason P. Hallett, and Agnieszka Brandt-Talbot. 2020. "Exploring the Effect of Water Content and Anion on the Pretreatment of Poplar with Three 1-Ethyl-3-methylimidazolium Ionic Liquids" Molecules 25, no. 10: 2318. https://doi.org/10.3390/molecules25102318