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Efficient sugar production from sugarcane bagasse by microwave assisted acid and alkali pretreatment

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Efficient sugar production from sugarcane bagasse by microwave assisted acid and alkali pretreatment. / Zhu, Zongyuan; Rezende, Camila Alves; Simister, Rachael; McQueen-Mason, Simon J.; Macquarrie, Duncan J.; Polikarpov, Igor; Gomez, Leonardo D.

In: Biomass & bioenergy, Vol. 93, 01.10.2016, p. 269-278.

Research output: Contribution to journalArticlepeer-review

Harvard

Zhu, Z, Rezende, CA, Simister, R, McQueen-Mason, SJ, Macquarrie, DJ, Polikarpov, I & Gomez, LD 2016, 'Efficient sugar production from sugarcane bagasse by microwave assisted acid and alkali pretreatment', Biomass & bioenergy, vol. 93, pp. 269-278. https://doi.org/10.1016/j.biombioe.2016.06.017

APA

Zhu, Z., Rezende, C. A., Simister, R., McQueen-Mason, S. J., Macquarrie, D. J., Polikarpov, I., & Gomez, L. D. (2016). Efficient sugar production from sugarcane bagasse by microwave assisted acid and alkali pretreatment. Biomass & bioenergy, 93, 269-278. https://doi.org/10.1016/j.biombioe.2016.06.017

Vancouver

Zhu Z, Rezende CA, Simister R, McQueen-Mason SJ, Macquarrie DJ, Polikarpov I et al. Efficient sugar production from sugarcane bagasse by microwave assisted acid and alkali pretreatment. Biomass & bioenergy. 2016 Oct 1;93:269-278. https://doi.org/10.1016/j.biombioe.2016.06.017

Author

Zhu, Zongyuan ; Rezende, Camila Alves ; Simister, Rachael ; McQueen-Mason, Simon J. ; Macquarrie, Duncan J. ; Polikarpov, Igor ; Gomez, Leonardo D. / Efficient sugar production from sugarcane bagasse by microwave assisted acid and alkali pretreatment. In: Biomass & bioenergy. 2016 ; Vol. 93. pp. 269-278.

Bibtex - Download

@article{d7ff73e3e6244d179150c9b39efe104e,
title = "Efficient sugar production from sugarcane bagasse by microwave assisted acid and alkali pretreatment",
abstract = "Sugarcane bagasse represents one of the best potential feedstocks for the production of second generation bioethanol. The most efficient method to produce fermentable sugars is by enzymatic hydrolysis, assisted by thermochemical pretreatments. Previous research was focused on conventional heating pretreatment and the pretreated biomass residue characteristics. In this work, microwave energy is applied to facilitate sodium hydroxide (NaOH) and sulphuric acid (H2SO4) pretreatments on sugarcane bagasse and the efficiency of sugar production was evaluated on the soluble sugars released during pretreatment. The results show that microwave assisted pretreatment was more efficient than conventional heating pretreatment and it gave rise to 4 times higher reducing sugar release by using 5.7 times less pretreatment time. It is highlighted that enrichment of xylose and glucose can be tuned by changing pretreatment media (NaOH/H2SO4) and holding time. SEM study shows significant delignification effect of NaOH pretreatment, suggesting a possible improved enzymatic hydrolysis process. However, severe acid conditions should be avoided (long holding time or high acid concentration) under microwave heating conditions. It led to biomass carbonization, reducing sugar production and forming {\textquoteleft}humins{\textquoteright}. Overall, in comparison with conventional pretreatment, microwave assisted pretreatment removed significant amount of hemicellulose and lignin and led to high amount of sugar production during pretreatment process, suggesting microwave heating pretreatment is an effective and efficient pretreatment method.",
keywords = "Microwave pretreatment, Second generation bioethanol, Sodium hydroxide, Sugarcane bagasse, Sulphuric acid",
author = "Zongyuan Zhu and Rezende, {Camila Alves} and Rachael Simister and McQueen-Mason, {Simon J.} and Macquarrie, {Duncan J.} and Igor Polikarpov and Gomez, {Leonardo D.}",
note = "{\textcopyright} 2016 Published by Elsevier Ltd. This is an author-produced version of the published paper. Uploaded in accordance with the publisher{\textquoteright}s self-archiving policy. Further copying may not be permitted; contact the publisher for details",
year = "2016",
month = oct,
day = "1",
doi = "10.1016/j.biombioe.2016.06.017",
language = "English",
volume = "93",
pages = "269--278",
journal = "Biomass & bioenergy",
issn = "0961-9534",
publisher = "Elsevier Limited",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - Efficient sugar production from sugarcane bagasse by microwave assisted acid and alkali pretreatment

AU - Zhu, Zongyuan

AU - Rezende, Camila Alves

AU - Simister, Rachael

AU - McQueen-Mason, Simon J.

AU - Macquarrie, Duncan J.

AU - Polikarpov, Igor

AU - Gomez, Leonardo D.

N1 - © 2016 Published by Elsevier Ltd. This is an author-produced version of the published paper. Uploaded in accordance with the publisher’s self-archiving policy. Further copying may not be permitted; contact the publisher for details

PY - 2016/10/1

Y1 - 2016/10/1

N2 - Sugarcane bagasse represents one of the best potential feedstocks for the production of second generation bioethanol. The most efficient method to produce fermentable sugars is by enzymatic hydrolysis, assisted by thermochemical pretreatments. Previous research was focused on conventional heating pretreatment and the pretreated biomass residue characteristics. In this work, microwave energy is applied to facilitate sodium hydroxide (NaOH) and sulphuric acid (H2SO4) pretreatments on sugarcane bagasse and the efficiency of sugar production was evaluated on the soluble sugars released during pretreatment. The results show that microwave assisted pretreatment was more efficient than conventional heating pretreatment and it gave rise to 4 times higher reducing sugar release by using 5.7 times less pretreatment time. It is highlighted that enrichment of xylose and glucose can be tuned by changing pretreatment media (NaOH/H2SO4) and holding time. SEM study shows significant delignification effect of NaOH pretreatment, suggesting a possible improved enzymatic hydrolysis process. However, severe acid conditions should be avoided (long holding time or high acid concentration) under microwave heating conditions. It led to biomass carbonization, reducing sugar production and forming ‘humins’. Overall, in comparison with conventional pretreatment, microwave assisted pretreatment removed significant amount of hemicellulose and lignin and led to high amount of sugar production during pretreatment process, suggesting microwave heating pretreatment is an effective and efficient pretreatment method.

AB - Sugarcane bagasse represents one of the best potential feedstocks for the production of second generation bioethanol. The most efficient method to produce fermentable sugars is by enzymatic hydrolysis, assisted by thermochemical pretreatments. Previous research was focused on conventional heating pretreatment and the pretreated biomass residue characteristics. In this work, microwave energy is applied to facilitate sodium hydroxide (NaOH) and sulphuric acid (H2SO4) pretreatments on sugarcane bagasse and the efficiency of sugar production was evaluated on the soluble sugars released during pretreatment. The results show that microwave assisted pretreatment was more efficient than conventional heating pretreatment and it gave rise to 4 times higher reducing sugar release by using 5.7 times less pretreatment time. It is highlighted that enrichment of xylose and glucose can be tuned by changing pretreatment media (NaOH/H2SO4) and holding time. SEM study shows significant delignification effect of NaOH pretreatment, suggesting a possible improved enzymatic hydrolysis process. However, severe acid conditions should be avoided (long holding time or high acid concentration) under microwave heating conditions. It led to biomass carbonization, reducing sugar production and forming ‘humins’. Overall, in comparison with conventional pretreatment, microwave assisted pretreatment removed significant amount of hemicellulose and lignin and led to high amount of sugar production during pretreatment process, suggesting microwave heating pretreatment is an effective and efficient pretreatment method.

KW - Microwave pretreatment

KW - Second generation bioethanol

KW - Sodium hydroxide

KW - Sugarcane bagasse

KW - Sulphuric acid

UR - http://www.scopus.com/inward/record.url?scp=84979779421&partnerID=8YFLogxK

U2 - 10.1016/j.biombioe.2016.06.017

DO - 10.1016/j.biombioe.2016.06.017

M3 - Article

AN - SCOPUS:84979779421

VL - 93

SP - 269

EP - 278

JO - Biomass & bioenergy

JF - Biomass & bioenergy

SN - 0961-9534

ER -