Structural and chemical analysis of process residue from biochemical conversion of wheat straw (Triticum aestivum L.) to ethanol

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Structural and chemical analysis of process residue from biochemical conversion of wheat straw (Triticum aestivum L.) to ethanol. / Hansen, Mads Anders Tengstedt; Jørgensen, Henning; Laursen, Kristian Holst; Schjørring, Jan Kofod; Felby, Claus.

In: Biomass & Bioenergy, Vol. 56, 2013, p. 572-581.

Research output: Contribution to journalJournal articleResearchpeer-review

Harvard

Hansen, MAT, Jørgensen, H, Laursen, KH, Schjørring, JK & Felby, C 2013, 'Structural and chemical analysis of process residue from biochemical conversion of wheat straw (Triticum aestivum L.) to ethanol', Biomass & Bioenergy, vol. 56, pp. 572-581. https://doi.org/10.1016/j.biombioe.2013.06.007

APA

Hansen, M. A. T., Jørgensen, H., Laursen, K. H., Schjørring, J. K., & Felby, C. (2013). Structural and chemical analysis of process residue from biochemical conversion of wheat straw (Triticum aestivum L.) to ethanol. Biomass & Bioenergy, 56, 572-581. https://doi.org/10.1016/j.biombioe.2013.06.007

Vancouver

Hansen MAT, Jørgensen H, Laursen KH, Schjørring JK, Felby C. Structural and chemical analysis of process residue from biochemical conversion of wheat straw (Triticum aestivum L.) to ethanol. Biomass & Bioenergy. 2013;56:572-581. https://doi.org/10.1016/j.biombioe.2013.06.007

Author

Hansen, Mads Anders Tengstedt ; Jørgensen, Henning ; Laursen, Kristian Holst ; Schjørring, Jan Kofod ; Felby, Claus. / Structural and chemical analysis of process residue from biochemical conversion of wheat straw (Triticum aestivum L.) to ethanol. In: Biomass & Bioenergy. 2013 ; Vol. 56. pp. 572-581.

Bibtex

@article{f22cedb6eafe4be8ad689a3c989fe3e3,
title = "Structural and chemical analysis of process residue from biochemical conversion of wheat straw (Triticum aestivum L.) to ethanol",
abstract = "Biochemical conversion of lignocellulose to fermentable carbohydrates for ethanol production is now being implemented in large-scale industrial production. Applying hydrothermal pretreatment and enzymatic hydrolysis for the conversion process, a residue containing substantial amounts of lignin will be generated. So far little is known about the composition of this lignin residue which at present is mainly incinerated for heat and power generation and not yet converted so much into more valuable products.In this study, the structural and chemical composition of the solid and liquid fractions of lignin residue from wheat straw were analysed and processing factors discussed. Roughly 70 and 15{\%} of the solid mass fraction consisted of lignin and ash, respectively. Residual carbohydrates mostly originated from hemicellulose in the liquid fraction and from cellulose in the solid fraction. The solid fraction also contained significant amounts of protein, which is a valuable by-product when used as animal feed or when enzymes and yeast cells are separated for process recycling. Silica was the dominant constituent in the mineral fraction and except for few fragments of lignified middle lamellae most particles in the solid fraction appeared as silica coated by lignin, hampering separation of the two components before incineration or refinement of the residue.",
author = "Hansen, {Mads Anders Tengstedt} and Henning J{\o}rgensen and Laursen, {Kristian Holst} and Schj{\o}rring, {Jan Kofod} and Claus Felby",
year = "2013",
doi = "10.1016/j.biombioe.2013.06.007",
language = "English",
volume = "56",
pages = "572--581",
journal = "Biomass & Bioenergy",
issn = "0961-9534",
publisher = "Pergamon Press",

}

RIS

TY - JOUR

T1 - Structural and chemical analysis of process residue from biochemical conversion of wheat straw (Triticum aestivum L.) to ethanol

AU - Hansen, Mads Anders Tengstedt

AU - Jørgensen, Henning

AU - Laursen, Kristian Holst

AU - Schjørring, Jan Kofod

AU - Felby, Claus

PY - 2013

Y1 - 2013

N2 - Biochemical conversion of lignocellulose to fermentable carbohydrates for ethanol production is now being implemented in large-scale industrial production. Applying hydrothermal pretreatment and enzymatic hydrolysis for the conversion process, a residue containing substantial amounts of lignin will be generated. So far little is known about the composition of this lignin residue which at present is mainly incinerated for heat and power generation and not yet converted so much into more valuable products.In this study, the structural and chemical composition of the solid and liquid fractions of lignin residue from wheat straw were analysed and processing factors discussed. Roughly 70 and 15% of the solid mass fraction consisted of lignin and ash, respectively. Residual carbohydrates mostly originated from hemicellulose in the liquid fraction and from cellulose in the solid fraction. The solid fraction also contained significant amounts of protein, which is a valuable by-product when used as animal feed or when enzymes and yeast cells are separated for process recycling. Silica was the dominant constituent in the mineral fraction and except for few fragments of lignified middle lamellae most particles in the solid fraction appeared as silica coated by lignin, hampering separation of the two components before incineration or refinement of the residue.

AB - Biochemical conversion of lignocellulose to fermentable carbohydrates for ethanol production is now being implemented in large-scale industrial production. Applying hydrothermal pretreatment and enzymatic hydrolysis for the conversion process, a residue containing substantial amounts of lignin will be generated. So far little is known about the composition of this lignin residue which at present is mainly incinerated for heat and power generation and not yet converted so much into more valuable products.In this study, the structural and chemical composition of the solid and liquid fractions of lignin residue from wheat straw were analysed and processing factors discussed. Roughly 70 and 15% of the solid mass fraction consisted of lignin and ash, respectively. Residual carbohydrates mostly originated from hemicellulose in the liquid fraction and from cellulose in the solid fraction. The solid fraction also contained significant amounts of protein, which is a valuable by-product when used as animal feed or when enzymes and yeast cells are separated for process recycling. Silica was the dominant constituent in the mineral fraction and except for few fragments of lignified middle lamellae most particles in the solid fraction appeared as silica coated by lignin, hampering separation of the two components before incineration or refinement of the residue.

UR - http://www.scopus.com/inward/record.url?scp=84880161867&partnerID=8YFLogxK

U2 - 10.1016/j.biombioe.2013.06.007

DO - 10.1016/j.biombioe.2013.06.007

M3 - Journal article

AN - SCOPUS:84880161867

VL - 56

SP - 572

EP - 581

JO - Biomass & Bioenergy

JF - Biomass & Bioenergy

SN - 0961-9534

ER -

ID: 97187434