Bioethanol Production from Hydrothermally Pretreated and Delignified Corn Stover by Fed-Batch Simultaneous Saccharification and Fermentation

被引：15
作者：
Buruiana, Cristian-Teodor [1 ]
Vizireanu, Camelia [1 ]
Garrote, Gil [2 ,3 ]
Carlos Parajo, Juan [2 ,3 ]
机构：
[1] Dunarea de Jos Univ Galati, Fac Food Sci & Engn, Dept Food Sci Food Engn & Appl Biotechnol, Galati 800201, Romania
[2] Univ Vigo, Dept Chem Engn, Fac Sci, Campus Ourense, As Lagoas 32004, Ourense, Spain
[3] Univ Vigo, CITI, San Cibrao Das Villas 32900, Ourense, Spain
来源：
ENERGY & FUELS | 2014年 / 28卷 / 02期
关键词：
ETHANOL-PRODUCTION; LIGNOCELLULOSIC BIOMASS; ENZYMATIC-HYDROLYSIS; LIME PRETREATMENT; FUEL ETHANOL; CONVERSION; SSF; ACID;
D O I：
10.1021/ef402287q
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
Bioethanol was manufactured from corn stover after consecutive stages of hydrothermal pretreatment (to solubilize hemicelluloses) and delignification. Hydrothermal pretreatment was carried out by heating aqueous suspensions of corn stover up to reach 180-200 degrees C, and the resulting solids were delignified with ethanol-water solutions (containing 30-70 wt % of ethanol) at 180-200 degrees C. The chemical processing was optimized using the Response Surface Methodology. Delignified solids were employed as substrates for fed-batch Simultaneous Saccharification and Fermentation (SSF) under selected conditions (liquid to solid ratio = 4 g/g, enzyme to substrate ratio = 10 FPU/g substrate). The maximum ethanol concentration (67.5 g ethanol/L, corresponding to 89.1% glucan conversion into ethanol) was obtained using samples pretreated hydrothermally at 180 degrees C and delignified at 200 degrees C in a medium containing 30 wt % ethanol.
引用
收藏
页码：1158 / 1165
页数：8
相关论文
共 38 条
[1]   Technoeconomic analysis of the dilute sulfuric acid and enzymatic hydrolysis process for the conversion of corn stover to ethanol [J].
Aden, Andy ;
Foust, Thomas .
CELLULOSE, 2009, 16 (04) :535-545
[2]   The lignol approach to biorefining of woody biomass to produce ethanol and chemicals [J].
Claudio Arato ;
E. Kendall Pye ;
Gordon Gjennestad .
Applied Biochemistry and Biotechnology, 2005, 123 (1-3) :871-882
[3]   Production of bioethanol from lignocellulosic materials via the biochemical pathway: A review [J].
Balat, Mustafa .
ENERGY CONVERSION AND MANAGEMENT, 2011, 52 (02) :858-875
[4]   Ethanol production from paper material using a simultaneous saccharification and fermentation system in a fed-batch basis [J].
Ballesteros, M ;
Oliva, JM ;
Manzanares, P ;
Negro, MJ ;
Ballesteros, I .
WORLD JOURNAL OF MICROBIOLOGY & BIOTECHNOLOGY, 2002, 18 (06) :559-561
[5]   Hydrothermal treatment and ethanol pulping of sunflower stalks [J].
Caparros, S. ;
Ariza, J. ;
Lopez, F. ;
Nacimiento, J. A. ;
Garrote, G. ;
Jimenez, L. .
BIORESOURCE TECHNOLOGY, 2008, 99 (05) :1368-1372
[6]   Enhanced enzymatic hydrolysis of olive tree wood by steam explosion and alkaline peroxide delignification [J].
Cara, C ;
Ruiz, E ;
Ballesteros, I ;
Negro, MJ ;
Castro, E .
PROCESS BIOCHEMISTRY, 2006, 41 (02) :423-429
[7]   Steam pretreatment and fermentation of the straw material "Paja Brava" using simultaneous saccharification and co-fermentation [J].
Carrasco, Cristhian ;
Baudel, Henrique ;
Penarrieta, Mauricio ;
Solano, Carlos ;
Tejeda, Leslie ;
Roslander, Christian ;
Galbe, Mats ;
Liden, Gunnar .
JOURNAL OF BIOSCIENCE AND BIOENGINEERING, 2011, 111 (02) :167-174
[8]   High concentrations of cellulosic ethanol achieved by fed batch semi simultaneous saccharification and fermentation of waste-paper [J].
Elliston, Adam ;
Collins, Samuel R. A. ;
Wilson, David R. ;
Roberts, Ian N. ;
Waldron, Keith W. .
BIORESOURCE TECHNOLOGY, 2013, 134 :117-126
[9]   Pretreatment of lignocellulosic materials for efficient bioethanol production [J].
Galbe, Mats ;
Zacchi, Guido .
BIOFUELS, 2007, 108 :41-65
[10]   Hydrothermal processing of lignocellulosic materials [J].
Garrote, G ;
Domínguez, H ;
Parajó, JC .
HOLZ ALS ROH-UND WERKSTOFF, 1999, 57 (03) :191-202
1234