Bioethanol production from alkaline-pretreated sugarcane bagasse by consolidated bioprocessing using Phlebia sp MG-60

被引：46

作者：

Le Duy Khuong ^{[1
,3
]}

Kondo, Ryuichiro ^{[2
]}

De Leon, Rizalinda ^{[1
]}

To Kim Anh ^{[3
]}

Shimizu, Kuniyoshi ^{[2
]}

Kamei, Ichiro ^{[4
]}

机构：

[1] Univ Philippines Diliman, Environm Engn Programme, Dept Chem Engn, Quezon City 1011, Philippines

[2] Kyushu Univ, Fac Agr, Dept Agroenvironm Sci, Fukuoka 8128581, Japan

[3] Hanoi Univ Sci & Technol, Sch Food Technol & Biotechnol, Dept Microbiol Biochem Mol Biol, Hanoi, Vietnam

[4] Miyazaki Univ, Fac Agr, Dept Forest & Environm Sci, Miyazaki 8892192, Japan

来源：

INTERNATIONAL BIODETERIORATION & BIODEGRADATION | 2014年 / 88卷

关键词：

Consolidated bioprocessing; Sugarcane bagasse; White-rot fungi; Bioethanol; Alkaline pretreatment; WHITE-ROT FUNGUS; ETHANOL-PRODUCTION; CANE BAGASSE; SIMULTANEOUS SACCHARIFICATION; LIGNOCELLULOSIC MATERIALS; HYDROLYSIS; FERMENTATION; BIOMASS; ACID; BIOCONVERSION;

D O I：

10.1016/j.ibiod.2013.12.008

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

Optimization of alkaline pretreatment of sugarcane bagasse for consolidated bioprocessing fermentation by the cellulose-fermenting fungus Phlebia sp. MG-60 was studied. The lignin and xylan contents of bagasse were decreased and ethanol production from each pretreated sugarcane bagasse by MG-60 was increased in an alkaline concentration-dependent manner. The fungus produced cellulase and xylanase rapidly over 120 h. When this fungus was cultured with 20 g L-1 of sugarcane bagasse pretreated with NaOH (0.8 wt%, 121 degrees C, 60 mm), 4.5 g L-1 ethanol was produced, equivalent to 210 mg ethanol per gram of the original untreated bagasse after 240 h fermentation, giving ethanol yields of 65.7% of the theoretical maximum. These data suggest that Phlebia sp. MG-60 is a potential candidate for ethanol production from alkali-pretreated bagasse in a single bioreactor, without enzymatic or chemical hydrolysis. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：62 / 68

页数：7

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