Xylo-oligosaccharides, fermentable sugars, and bioenergy production from sugarcane straw using steam explosion pretreatment at pilot-scale

Lívia B Brenelli; Rakesh Bhatia; Demi T Djajadi; Lisbeth G Thygesen; Sarita C Rabelo; David J Leak; Telma T Franco; Joe A Gallagher

doi:10.1016/j.biortech.2022.127093

Xylo-oligosaccharides, fermentable sugars, and bioenergy production from sugarcane straw using steam explosion pretreatment at pilot-scale

Lívia B Brenelli, Rakesh Bhatia, Demi T Djajadi, Lisbeth G Thygesen, Sarita C Rabelo, David J Leak, Telma T Franco, Joe A Gallagher

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Abstract

This study investigated the production of xylo-oligosaccharides (XOS) from sugarcane straw (SCS) using steam explosion (SE) pretreatment at pilot-scale, as well as co-production of fermentable sugars and lignin-rich residues for bioethanol and bioenergy, respectively. SE conditions 200 °C; 15 bar; 10 min led to 1) soluble XOS yields of up to 35 % (w/w) of initial xylan with ∼50 % of the recovered XOS corresponding to xylobiose and xylotriose, considered the most valuable sugars for prebiotic applications; 2) fermentable glucose yields from the enzymatic hydrolysis of SE-pretreated SCS of up to ∼78 %; 3) increase in the energy content of saccharified SCS residues (16 %) compared to the untreated material. From an integrated biorefinery perspective, it demonstrated the potential use of SCS for the production of value-added XOS ingredients as well as liquid and solid biofuel products.

Original language	English
Article number	127093
Journal	Bioresource Technology
Volume	357
Early online date	1 Apr 2022
DOIs	https://doi.org/10.1016/j.biortech.2022.127093
Publication status	Published - 31 Aug 2022

Bibliographical note

Funding Information:
The Biotechnology and Biological Sciences Research Council (BBSRC) (BB/P017460/1) and the São Paulo Research Foundation (FAPESP) (grant contracts 2015/50612-8, 2017/15477-8, and 2020/01007-2) financed this work.

Keywords

Biofuels
Biorefining
Steam explosion
Sugarcane straw
Xylo-oligosaccharides

ASJC Scopus subject areas

Bioengineering
Environmental Engineering
Renewable Energy, Sustainability and the Environment
Waste Management and Disposal

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1016/j.biortech.2022.127093

Manuscript_Brenelli_et_al._3rd_submission_BITE_20_03_22.PDFAccepted author manuscript, 933 KBLicence: CC BY-NC-ND

Cite this

@article{803a46d97bbd43068795bbeb5e84e6a5,

title = "Xylo-oligosaccharides, fermentable sugars, and bioenergy production from sugarcane straw using steam explosion pretreatment at pilot-scale",

abstract = "This study investigated the production of xylo-oligosaccharides (XOS) from sugarcane straw (SCS) using steam explosion (SE) pretreatment at pilot-scale, as well as co-production of fermentable sugars and lignin-rich residues for bioethanol and bioenergy, respectively. SE conditions 200 °C; 15 bar; 10 min led to 1) soluble XOS yields of up to 35 % (w/w) of initial xylan with ∼50 % of the recovered XOS corresponding to xylobiose and xylotriose, considered the most valuable sugars for prebiotic applications; 2) fermentable glucose yields from the enzymatic hydrolysis of SE-pretreated SCS of up to ∼78 %; 3) increase in the energy content of saccharified SCS residues (16 %) compared to the untreated material. From an integrated biorefinery perspective, it demonstrated the potential use of SCS for the production of value-added XOS ingredients as well as liquid and solid biofuel products.",

keywords = "Biofuels, Biorefining, Steam explosion, Sugarcane straw, Xylo-oligosaccharides",

author = "Brenelli, {L{\'i}via B} and Rakesh Bhatia and Djajadi, {Demi T} and Thygesen, {Lisbeth G} and Rabelo, {Sarita C} and Leak, {David J} and Franco, {Telma T} and Gallagher, {Joe A}",

note = "Funding Information: The Biotechnology and Biological Sciences Research Council (BBSRC) (BB/P017460/1) and the S{\~a}o Paulo Research Foundation (FAPESP) (grant contracts 2015/50612-8, 2017/15477-8, and 2020/01007-2) financed this work. ",

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doi = "10.1016/j.biortech.2022.127093",

language = "English",

volume = "357",

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AU - Brenelli, Lívia B

AU - Bhatia, Rakesh

AU - Djajadi, Demi T

AU - Thygesen, Lisbeth G

AU - Rabelo, Sarita C

AU - Leak, David J

AU - Franco, Telma T

AU - Gallagher, Joe A

N1 - Funding Information: The Biotechnology and Biological Sciences Research Council (BBSRC) (BB/P017460/1) and the São Paulo Research Foundation (FAPESP) (grant contracts 2015/50612-8, 2017/15477-8, and 2020/01007-2) financed this work.

PY - 2022/8/31

Y1 - 2022/8/31

N2 - This study investigated the production of xylo-oligosaccharides (XOS) from sugarcane straw (SCS) using steam explosion (SE) pretreatment at pilot-scale, as well as co-production of fermentable sugars and lignin-rich residues for bioethanol and bioenergy, respectively. SE conditions 200 °C; 15 bar; 10 min led to 1) soluble XOS yields of up to 35 % (w/w) of initial xylan with ∼50 % of the recovered XOS corresponding to xylobiose and xylotriose, considered the most valuable sugars for prebiotic applications; 2) fermentable glucose yields from the enzymatic hydrolysis of SE-pretreated SCS of up to ∼78 %; 3) increase in the energy content of saccharified SCS residues (16 %) compared to the untreated material. From an integrated biorefinery perspective, it demonstrated the potential use of SCS for the production of value-added XOS ingredients as well as liquid and solid biofuel products.

AB - This study investigated the production of xylo-oligosaccharides (XOS) from sugarcane straw (SCS) using steam explosion (SE) pretreatment at pilot-scale, as well as co-production of fermentable sugars and lignin-rich residues for bioethanol and bioenergy, respectively. SE conditions 200 °C; 15 bar; 10 min led to 1) soluble XOS yields of up to 35 % (w/w) of initial xylan with ∼50 % of the recovered XOS corresponding to xylobiose and xylotriose, considered the most valuable sugars for prebiotic applications; 2) fermentable glucose yields from the enzymatic hydrolysis of SE-pretreated SCS of up to ∼78 %; 3) increase in the energy content of saccharified SCS residues (16 %) compared to the untreated material. From an integrated biorefinery perspective, it demonstrated the potential use of SCS for the production of value-added XOS ingredients as well as liquid and solid biofuel products.

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KW - Biorefining

KW - Steam explosion

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Xylo-oligosaccharides, fermentable sugars, and bioenergy production from sugarcane straw using steam explosion pretreatment at pilot-scale

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

UN SDGs

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An Integrated Approach to Explore a Novel Paradigm for Biofuel Production from Lignocellulosic Feedstocks

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Xylo-oligosaccharides, fermentable sugars, and bioenergy production from sugarcane straw using steam explosion pretreatment at pilot-scale

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

UN SDGs

Access to Document

Other files and links

Fingerprint

Projects

An Integrated Approach to Explore a Novel Paradigm for Biofuel Production from Lignocellulosic Feedstocks

Cite this