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Furfural production from hydrolysate of barley straw after dilute sulfuric acid pretreatment

Authors
Kim, Sung BongLee, Ja HyunYang, XiaoguangLee, JiwonKim, Seung Wook
Issue Date
11월-2015
Publisher
KOREAN INSTITUTE CHEMICAL ENGINEERS
Keywords
Furfural; Dilute Acid Pretreatment; Hydrolysate; Pyrolysis; Barley Straw
Citation
KOREAN JOURNAL OF CHEMICAL ENGINEERING, v.32, no.11, pp.2280 - 2284
Indexed
SCIE
SCOPUS
KCI
Journal Title
KOREAN JOURNAL OF CHEMICAL ENGINEERING
Volume
32
Number
11
Start Page
2280
End Page
2284
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/92119
DOI
10.1007/s11814-015-0029-7
ISSN
0256-1115
Abstract
Lignocellulosic biomass contains various fermentable sugars and versatile compounds, and should be isolated selectively. In this study, a two step process for furfural production is suggested. Dilute acid pretreatment, which solubilizes hemicellulose, was performed on barley straw at 110-190 A degrees C temperature with 0.1-2% sulfuric acid for 2-20 min and a liquid portion of the hydrolysate was utilized. Using this hydrolysate, furfural production was conducted. Approximately 140-200 A degrees C temperature induced the hydrolysis and pyrolysis of the hydrolysate. The initial reaction rate was found to be 2.84x10(-5) mol/L center dot sec at 180 A degrees C when reacted for 5min, 48.5% of theoretical furfural production was obtained, and it was faster than the generally used one step furfural production methods. In addition, a high temperature gradient for pre-heating showed improvement of temperature control.
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