For the first time, this study demonstrated that the efficiency of enzymatic hydrolysis of poplar wood biomass was drastically enhanced after being pretreated with ultrasonic-assisted dilute acid pretreatment comparing to dilute acid pretreatment only. Three levels of ultrasonic power (0%, 30%, and 70%) were used in pretreatment. Approximately 10–40% improvement in the sugar yield was attained by using ultrasound-assisted dilute acid pretreatment for 15 min. XRD analysis revealed that poplar wood biomass pretreated ultrasonically had lower biomass crystallinity than that pretreated with dilute acid only. The combination of ultrasound irradiation and dilute acid can be a key factor in the disruption of rigid cellulose structures and contributes to the improvement of cellulose saccharification in enzymatic hydrolysis.
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ASME 2015 International Manufacturing Science and Engineering Conference
June 8–12, 2015
Charlotte, North Carolina, USA
Conference Sponsors:
- Manufacturing Engineering Division
ISBN:
978-0-7918-5682-6
PROCEEDINGS PAPER
Ultrasonic-Assisted Dilute Acid Pretreatment of Poplar Wood Biomass for Biofuel Manufacturing: A Preliminary Study Available to Purchase
Xiaoxu Song,
Xiaoxu Song
Kansas State University, Manhattan, KS
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Meng Zhang,
Meng Zhang
Kansas State University, Manhattan, KS
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Z. J. Pei,
Z. J. Pei
Kansas State University, Manhattan, KS
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Donghai Wang
Donghai Wang
Kansas State University, Manhattan, KS
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Xiaoxu Song
Kansas State University, Manhattan, KS
Meng Zhang
Kansas State University, Manhattan, KS
Z. J. Pei
Kansas State University, Manhattan, KS
Donghai Wang
Kansas State University, Manhattan, KS
Paper No:
MSEC2015-9340, V001T02A074; 8 pages
Published Online:
September 25, 2015
Citation
Song, X, Zhang, M, Pei, ZJ, & Wang, D. "Ultrasonic-Assisted Dilute Acid Pretreatment of Poplar Wood Biomass for Biofuel Manufacturing: A Preliminary Study." Proceedings of the ASME 2015 International Manufacturing Science and Engineering Conference. Volume 1: Processing. Charlotte, North Carolina, USA. June 8–12, 2015. V001T02A074. ASME. https://doi.org/10.1115/MSEC2015-9340
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