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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 other 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.
|Early online date||27 May 2022|
|Publication status||Published - 01 Aug 2022|
- Steam explosion
- Sugarcane straw
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- 1 Finished
BEACON- EAST Wales
01 Jul 2019 → 30 Jun 2022
Project: Externally funded research