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Ferrous and Ferric Ion-Facilitated Dilute Acid Pretreatment of Lignocellulosic Biomass under Anaerobic or Aerobic Conditions: Observations of Fe Valence Interchange and the Role of...
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| Zeitschriftentitel: | Molecules |
|---|---|
| Personen und Körperschaften: | , , , , , , , |
| In: | Molecules, 25, 2020, 6, S. 1427 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
MDPI AG
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| Schlagwörter: |
| author_facet |
Wei, Hui Wang, Wei Ciesielski, Peter N. Donohoe, Bryon S. Zhang, Min Himmel, Michael E. Chen, Xiaowen Tucker, Melvin P. Wei, Hui Wang, Wei Ciesielski, Peter N. Donohoe, Bryon S. Zhang, Min Himmel, Michael E. Chen, Xiaowen Tucker, Melvin P. |
|---|---|
| author |
Wei, Hui Wang, Wei Ciesielski, Peter N. Donohoe, Bryon S. Zhang, Min Himmel, Michael E. Chen, Xiaowen Tucker, Melvin P. |
| spellingShingle |
Wei, Hui Wang, Wei Ciesielski, Peter N. Donohoe, Bryon S. Zhang, Min Himmel, Michael E. Chen, Xiaowen Tucker, Melvin P. Molecules Ferrous and Ferric Ion-Facilitated Dilute Acid Pretreatment of Lignocellulosic Biomass under Anaerobic or Aerobic Conditions: Observations of Fe Valence Interchange and the Role of Fenton Reaction Chemistry (miscellaneous) Analytical Chemistry Organic Chemistry Physical and Theoretical Chemistry Molecular Medicine Drug Discovery Pharmaceutical Science |
| author_sort |
wei, hui |
| spelling |
Wei, Hui Wang, Wei Ciesielski, Peter N. Donohoe, Bryon S. Zhang, Min Himmel, Michael E. Chen, Xiaowen Tucker, Melvin P. 1420-3049 MDPI AG Chemistry (miscellaneous) Analytical Chemistry Organic Chemistry Physical and Theoretical Chemistry Molecular Medicine Drug Discovery Pharmaceutical Science http://dx.doi.org/10.3390/molecules25061427 <jats:p>Ferrous ion co-catalyst enhancement of dilute-acid (DA) pretreatment of biomass is a promising technology for increasing the release of sugars from recalcitrant lignocellulosic biomass. However, due to the reductive status of ferrous ion and its susceptibility to oxidation with exposure to atmosphere, its effective application presumably requires anaerobic aqueous conditions created by nitrogen gas-purging, which adds extra costs. The objective of this study was to assess the effectiveness of oxidative iron ion, (i.e., ferric ion) as a co-catalyst in DA pretreatment of biomass, using an anaerobic chamber to strictly control exposure to oxygen during setup and post-pretreatment analyses. Remarkably, the ferric ions were found to be as efficient as ferrous ions in enhancing sugar release during DA pretreatment of biomass, which may be attributed to the observation that a major portion of the initial ferric ions were converted to ferrous during pretreatment. Furthermore, the detection of hydrogen peroxide in the liquors after DA/Fe ion pretreatment suggests that Fenton reaction chemistry was likely involved in DA/Fe ion pretreatments of biomass, contributing to the observed ferric and ferrous interchanges during pretreatment. These results help define the extent and specification requirements for applying iron ions as co-catalysts in DA pretreatments of biomass.</jats:p> Ferrous and Ferric Ion-Facilitated Dilute Acid Pretreatment of Lignocellulosic Biomass under Anaerobic or Aerobic Conditions: Observations of Fe Valence Interchange and the Role of Fenton Reaction Molecules |
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| title |
Ferrous and Ferric Ion-Facilitated Dilute Acid Pretreatment of Lignocellulosic Biomass under Anaerobic or Aerobic Conditions: Observations of Fe Valence Interchange and the Role of Fenton Reaction |
| title_unstemmed |
Ferrous and Ferric Ion-Facilitated Dilute Acid Pretreatment of Lignocellulosic Biomass under Anaerobic or Aerobic Conditions: Observations of Fe Valence Interchange and the Role of Fenton Reaction |
| title_full |
Ferrous and Ferric Ion-Facilitated Dilute Acid Pretreatment of Lignocellulosic Biomass under Anaerobic or Aerobic Conditions: Observations of Fe Valence Interchange and the Role of Fenton Reaction |
| title_fullStr |
Ferrous and Ferric Ion-Facilitated Dilute Acid Pretreatment of Lignocellulosic Biomass under Anaerobic or Aerobic Conditions: Observations of Fe Valence Interchange and the Role of Fenton Reaction |
| title_full_unstemmed |
Ferrous and Ferric Ion-Facilitated Dilute Acid Pretreatment of Lignocellulosic Biomass under Anaerobic or Aerobic Conditions: Observations of Fe Valence Interchange and the Role of Fenton Reaction |
| title_short |
Ferrous and Ferric Ion-Facilitated Dilute Acid Pretreatment of Lignocellulosic Biomass under Anaerobic or Aerobic Conditions: Observations of Fe Valence Interchange and the Role of Fenton Reaction |
| title_sort |
ferrous and ferric ion-facilitated dilute acid pretreatment of lignocellulosic biomass under anaerobic or aerobic conditions: observations of fe valence interchange and the role of fenton reaction |
| topic |
Chemistry (miscellaneous) Analytical Chemistry Organic Chemistry Physical and Theoretical Chemistry Molecular Medicine Drug Discovery Pharmaceutical Science |
| url |
http://dx.doi.org/10.3390/molecules25061427 |
| publishDate |
2020 |
| physical |
1427 |
| description |
<jats:p>Ferrous ion co-catalyst enhancement of dilute-acid (DA) pretreatment of biomass is a promising technology for increasing the release of sugars from recalcitrant lignocellulosic biomass. However, due to the reductive status of ferrous ion and its susceptibility to oxidation with exposure to atmosphere, its effective application presumably requires anaerobic aqueous conditions created by nitrogen gas-purging, which adds extra costs. The objective of this study was to assess the effectiveness of oxidative iron ion, (i.e., ferric ion) as a co-catalyst in DA pretreatment of biomass, using an anaerobic chamber to strictly control exposure to oxygen during setup and post-pretreatment analyses. Remarkably, the ferric ions were found to be as efficient as ferrous ions in enhancing sugar release during DA pretreatment of biomass, which may be attributed to the observation that a major portion of the initial ferric ions were converted to ferrous during pretreatment. Furthermore, the detection of hydrogen peroxide in the liquors after DA/Fe ion pretreatment suggests that Fenton reaction chemistry was likely involved in DA/Fe ion pretreatments of biomass, contributing to the observed ferric and ferrous interchanges during pretreatment. These results help define the extent and specification requirements for applying iron ions as co-catalysts in DA pretreatments of biomass.</jats:p> |
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| author | Wei, Hui, Wang, Wei, Ciesielski, Peter N., Donohoe, Bryon S., Zhang, Min, Himmel, Michael E., Chen, Xiaowen, Tucker, Melvin P. |
| author_facet | Wei, Hui, Wang, Wei, Ciesielski, Peter N., Donohoe, Bryon S., Zhang, Min, Himmel, Michael E., Chen, Xiaowen, Tucker, Melvin P., Wei, Hui, Wang, Wei, Ciesielski, Peter N., Donohoe, Bryon S., Zhang, Min, Himmel, Michael E., Chen, Xiaowen, Tucker, Melvin P. |
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| description | <jats:p>Ferrous ion co-catalyst enhancement of dilute-acid (DA) pretreatment of biomass is a promising technology for increasing the release of sugars from recalcitrant lignocellulosic biomass. However, due to the reductive status of ferrous ion and its susceptibility to oxidation with exposure to atmosphere, its effective application presumably requires anaerobic aqueous conditions created by nitrogen gas-purging, which adds extra costs. The objective of this study was to assess the effectiveness of oxidative iron ion, (i.e., ferric ion) as a co-catalyst in DA pretreatment of biomass, using an anaerobic chamber to strictly control exposure to oxygen during setup and post-pretreatment analyses. Remarkably, the ferric ions were found to be as efficient as ferrous ions in enhancing sugar release during DA pretreatment of biomass, which may be attributed to the observation that a major portion of the initial ferric ions were converted to ferrous during pretreatment. Furthermore, the detection of hydrogen peroxide in the liquors after DA/Fe ion pretreatment suggests that Fenton reaction chemistry was likely involved in DA/Fe ion pretreatments of biomass, contributing to the observed ferric and ferrous interchanges during pretreatment. These results help define the extent and specification requirements for applying iron ions as co-catalysts in DA pretreatments of biomass.</jats:p> |
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| imprint | MDPI AG, 2020 |
| imprint_str_mv | MDPI AG, 2020 |
| institution | DE-Gla1, DE-Zi4, DE-15, DE-Pl11, DE-Rs1, DE-105, DE-14, DE-Ch1, DE-L229, DE-D275, DE-Bn3, DE-Brt1, DE-Zwi2, DE-D161 |
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| issn_str_mv | 1420-3049 |
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| spelling | Wei, Hui Wang, Wei Ciesielski, Peter N. Donohoe, Bryon S. Zhang, Min Himmel, Michael E. Chen, Xiaowen Tucker, Melvin P. 1420-3049 MDPI AG Chemistry (miscellaneous) Analytical Chemistry Organic Chemistry Physical and Theoretical Chemistry Molecular Medicine Drug Discovery Pharmaceutical Science http://dx.doi.org/10.3390/molecules25061427 <jats:p>Ferrous ion co-catalyst enhancement of dilute-acid (DA) pretreatment of biomass is a promising technology for increasing the release of sugars from recalcitrant lignocellulosic biomass. However, due to the reductive status of ferrous ion and its susceptibility to oxidation with exposure to atmosphere, its effective application presumably requires anaerobic aqueous conditions created by nitrogen gas-purging, which adds extra costs. The objective of this study was to assess the effectiveness of oxidative iron ion, (i.e., ferric ion) as a co-catalyst in DA pretreatment of biomass, using an anaerobic chamber to strictly control exposure to oxygen during setup and post-pretreatment analyses. Remarkably, the ferric ions were found to be as efficient as ferrous ions in enhancing sugar release during DA pretreatment of biomass, which may be attributed to the observation that a major portion of the initial ferric ions were converted to ferrous during pretreatment. Furthermore, the detection of hydrogen peroxide in the liquors after DA/Fe ion pretreatment suggests that Fenton reaction chemistry was likely involved in DA/Fe ion pretreatments of biomass, contributing to the observed ferric and ferrous interchanges during pretreatment. These results help define the extent and specification requirements for applying iron ions as co-catalysts in DA pretreatments of biomass.</jats:p> Ferrous and Ferric Ion-Facilitated Dilute Acid Pretreatment of Lignocellulosic Biomass under Anaerobic or Aerobic Conditions: Observations of Fe Valence Interchange and the Role of Fenton Reaction Molecules |
| spellingShingle | Wei, Hui, Wang, Wei, Ciesielski, Peter N., Donohoe, Bryon S., Zhang, Min, Himmel, Michael E., Chen, Xiaowen, Tucker, Melvin P., Molecules, Ferrous and Ferric Ion-Facilitated Dilute Acid Pretreatment of Lignocellulosic Biomass under Anaerobic or Aerobic Conditions: Observations of Fe Valence Interchange and the Role of Fenton Reaction, Chemistry (miscellaneous), Analytical Chemistry, Organic Chemistry, Physical and Theoretical Chemistry, Molecular Medicine, Drug Discovery, Pharmaceutical Science |
| title | Ferrous and Ferric Ion-Facilitated Dilute Acid Pretreatment of Lignocellulosic Biomass under Anaerobic or Aerobic Conditions: Observations of Fe Valence Interchange and the Role of Fenton Reaction |
| title_full | Ferrous and Ferric Ion-Facilitated Dilute Acid Pretreatment of Lignocellulosic Biomass under Anaerobic or Aerobic Conditions: Observations of Fe Valence Interchange and the Role of Fenton Reaction |
| title_fullStr | Ferrous and Ferric Ion-Facilitated Dilute Acid Pretreatment of Lignocellulosic Biomass under Anaerobic or Aerobic Conditions: Observations of Fe Valence Interchange and the Role of Fenton Reaction |
| title_full_unstemmed | Ferrous and Ferric Ion-Facilitated Dilute Acid Pretreatment of Lignocellulosic Biomass under Anaerobic or Aerobic Conditions: Observations of Fe Valence Interchange and the Role of Fenton Reaction |
| title_short | Ferrous and Ferric Ion-Facilitated Dilute Acid Pretreatment of Lignocellulosic Biomass under Anaerobic or Aerobic Conditions: Observations of Fe Valence Interchange and the Role of Fenton Reaction |
| title_sort | ferrous and ferric ion-facilitated dilute acid pretreatment of lignocellulosic biomass under anaerobic or aerobic conditions: observations of fe valence interchange and the role of fenton reaction |
| title_unstemmed | Ferrous and Ferric Ion-Facilitated Dilute Acid Pretreatment of Lignocellulosic Biomass under Anaerobic or Aerobic Conditions: Observations of Fe Valence Interchange and the Role of Fenton Reaction |
| topic | Chemistry (miscellaneous), Analytical Chemistry, Organic Chemistry, Physical and Theoretical Chemistry, Molecular Medicine, Drug Discovery, Pharmaceutical Science |
| url | http://dx.doi.org/10.3390/molecules25061427 |