Publication: Ionosolv pretreatment of sugarcane bagasse and rice straw assisted by catalytic hydrothermal and microwave heating for biorefining
Issued Date
2017-09-01
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ISSN
09603085
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2-s2.0-85022319305
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Mahidol University
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SCOPUS
Bibliographic Citation
Food and Bioproducts Processing. Vol.105, (2017), 104-116
Suggested Citation
Chularat Sakdaronnarong, Kittiya Jiratanakittiwat, Thanawat Tangkitthanasakul, Navadol Laosiripojana Ionosolv pretreatment of sugarcane bagasse and rice straw assisted by catalytic hydrothermal and microwave heating for biorefining. Food and Bioproducts Processing. Vol.105, (2017), 104-116. doi:10.1016/j.fbp.2017.06.005 Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/41411
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Title
Ionosolv pretreatment of sugarcane bagasse and rice straw assisted by catalytic hydrothermal and microwave heating for biorefining
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Abstract
© 2017 Institution of Chemical Engineers The pretreatment of sugarcane bagasse (SCB) and rice straw (RS) using ionic liquids (IL) in combination with solid acid catalysts was investigated to enhance enzyme accessibility for biorefining. Both conventional hydrothermal and microwave-assisted treatments were carried out. Optimal conditions were determined in a microwave system using response surface analysis for cellulose digestibility, which was determined by the reducing sugar and glucose yield. The results demonstrate that SCB and RS fractionation in a choline acetate (ChOAc) IL catalyzed by SiO2–OSO3H in the microwave-assisted system and heterojunction metal oxides (SO42−/TiO2/Fe3O4/WO3) in the hydrothermal system significantly enhanced the cellulose digestibility. The costs of combined pretreatment and saccharification in the present study ranged from 0.60 to 1.48 €/g glucose for RS and 1.26–2.31 €/g glucose for SCB and were comparable to the previous studies.