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Korean Journal of Chemical Engineering, Vol.32, No.11, 2280-2284, 2015
Furfural production from hydrolysate of barley straw after dilute sulfuric acid pretreatment
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 oC 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 oC temperature induced the hydrolysis and pyrolysis of the hydrolysate. The initial reaction rate was found to be 2.84×10.5 mol/L·sec at 180 oC 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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[Cited By]
- You SJ, Park ED, Park MJ, Korean Journal of Chemical Engineering, 33(3), 806, 2016
- Kim JE, Lee JW, Korean Chemical Engineering Research, 54(4), 494, 2016
- Min CH, Lee DG, Um BH, Yoon JJ, Korean Chemical Engineering Research, 56(4), 453, 2018
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