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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2015.1
- 수록면
- 600 - 612 (13page)
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We investigated the optimization of the organosolv pretreatment of yellow poplar for bioethanol production. Response surface methodology was used to determine the optimal conditions of three independent variables (reaction temperature, reaction time, and sulfuric acid (SA) concentration). Reaction temperature is the most significant variable in the degradation of xylan and lignin in the presence of an acid catalyst, and ethanol production increased with a decrease in the lignin content. The highest ethanol concentration ($42.80g/{\ell}$) and theoretical ethanol yield (98.76%) were obtained at $152^{\circ}C$ (2.5 bar) with 1.6% SA for 16 min. However, because of excessive degradation of the raw material, the overall ethanol yield was less than under other pretreatment conditions which has approximately 50% of WIS recovery rate after pretreatment. The optimal conditions for the maximum overall ethanol yield ($146^{\circ}C$ with 1.22% SA for 15.9 min) were determined with a predicted yield of 17.11%, and the experimental values were very close (17.15%). Therefore, the quadratic model is reliable.
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참고문헌 (28)
참고문헌 신청
Alvira, P. / 2010 / Pretreatment technologies for an efficient bioethanol production process based on enzymatic hydrolysis : A review / Bioresource Technology 101(13):4851~4861
Cara, C. / 2008 / Conversion of olive tree biomass into fermentable sugars by dilute acid pretreatment and enzymatic saccharification / Bioresource Technology 99(6):1869~1876
Chum, H. L. / 1990 / Organosolv pretreatment for enzymic hydrolysis of poplars. 2. Catalyst effects and the combined severity parameter / Industrial & Engineering Chemistry Research 29(2):156~162
Demirbas, A / 2005 / Bioethanol from cellulosic materials : A renewable motor fuel from biomass / Energy Sources 27(4):327~338
Domínguez, J. / 2008 / Thermal stability and pyrolysis kinetics of organosolv lignins obtained from Eucalyptus globulus / Industrial Crops and Products 27(2):150~156
Cara, C. / 2008 / Conversion of olive tree biomass into fermentable sugars by dilute acid pretreatment and enzymatic saccharification / Bioresource Technology 99(6):1869~1876
Chum, H. L. / 1990 / Organosolv pretreatment for enzymic hydrolysis of poplars. 2. Catalyst effects and the combined severity parameter / Industrial & Engineering Chemistry Research 29(2):156~162
Demirbas, A / 2005 / Bioethanol from cellulosic materials : A renewable motor fuel from biomass / Energy Sources 27(4):327~338
Domínguez, J. / 2008 / Thermal stability and pyrolysis kinetics of organosolv lignins obtained from Eucalyptus globulus / Industrial Crops and Products 27(2):150~156
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