Comparative study of different alcoholate pretreatments for enhanced enzymatic hydrolysis of sugarcane bagasse

被引：17
|
作者：
Huang, Qing [1 ]
Yan, Qiuli [1 ]
Fu, Jing [1 ]
Lv, Xiaojing [1 ]
Xiong, Chunjiang [2 ]
Lin, Jianghai [1 ]
Liu, Zehuan [1 ]
机构：
[1] Jinan Univ, Inst Life & Hlth Engn, Coll Life Sci & Technol, Res Ctr Mol Biol, Guangzhou 510632, Guangdong, Peoples R China
[2] Guangdong Qizhi Biotechnol Co Ltd, Dept Res & Dev, Guangzhou, Guangdong, Peoples R China
来源：
BIORESOURCE TECHNOLOGY | 2016年 / 211卷
关键词：
Alcoholate pretreatment; Response surface methodology; Enzymatic hydrolysis; Synergism; Sugarcane bagasse; ETHANOL-PRODUCTION; LIGNOCELLULOSIC BIOMASS; BIOETHANOL PRODUCTION; SODIUM ETHOXIDE; ACID; XYLANASE; ALKALI; SACCHARIFICATION; FERMENTATION; OPTIMIZATION;
D O I：
10.1016/j.biortech.2016.03.067
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
Pretreatment of sugarcane bagasse (SCB) with alcoholates, sodium methoxide (CH3ONa), potassium methoxide (CH3OK) and sodium ethoxide (C2H5ONa), was investigated. Analyses of lignocellulose composition and enzymatic saccharification indicated that C2H5ONa showed the highest enzymatic efficiency of 102.1%. The response surface optimization of C2H5ONa pretreatment showed that under optimal conditions (4% of C2H5ONa, 121 degrees C, 1 h), 65.4% of lignin was removed and the enzymatic efficiency reached 105.2%. Hydrolysis of SCB with cellulases and xylanase at a ratio of 4:1 showed the strongest synergism with reducing sugar production of 21 g/L and conversion rates of cellulose and xylan reaching 110.4% and 94.5%, respectively. These results indicated that C2H5ONa is a promising alkali to pretreat SCB and the synergism between cellulases and xylanase has a significant effect on enzymatic saccharification of the pretreated SCB. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：464 / 471
页数：8
相关论文
共 50 条
  • [21] The effect of organosolv pretreatment variables on enzymatic hydrolysis of sugarcane bagasse
    Mesa, L.
    Gonzalez, E.
    Cara, C.
    Gonzalez, M.
    Castro, E.
    Mussatto, S. I.
    CHEMICAL ENGINEERING JOURNAL, 2011, 168 (03) : 1157 - 1162
  • [22] Enhanced enzymatic cellulose hydrolysis by subcritical carbon dioxide pretreatment of sugarcane bagasse
    Zhang, Hongdan
    Wu, Shubin
    BIORESOURCE TECHNOLOGY, 2014, 158 : 161 - 165
  • [23] Extraction and characterization of wax from sugarcane bagasse and the enzymatic hydrolysis of dewaxed sugarcane bagasse
    Qi, Gaoxiang
    Peng, Fen
    Xiong, Lian
    Lin, Xiaoqing
    Huang, Chao
    Li, Hailong
    Chen, Xuefang
    Chen, Xinde
    PREPARATIVE BIOCHEMISTRY & BIOTECHNOLOGY, 2017, 47 (03) : 276 - 281
  • [24] Lignin prepared from different alkaline pretreated sugarcane bagasse and its effect on enzymatic hydrolysis
    Xu, Chao
    Zhang, Jun
    Zhang, Yu
    Guo, Ying
    Xu, Huijuan
    Liang, Cuiyi
    Wang, Zhongming
    Xu, Jingliang
    INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES, 2019, 141 : 484 - 492
  • [25] Effects of different pretreatment methods on chemical composition of sugarcane bagasse and enzymatic hydrolysis
    Gao, Yueshu
    Xu, Jingliang
    Zhang, Yu
    Yu, Qiang
    Yuan, Zhenhong
    Liu, Yunyun
    BIORESOURCE TECHNOLOGY, 2013, 144 : 396 - 400
  • [26] Increase in ethanol production from sugarcane bagasse based on combined pretreatments and fed-batch enzymatic hydrolysis
    de Albuquerque Wanderley, Maria Carolina
    Martin, Carlos
    de Moraes Rocha, George Jackson
    Gouveia, Ester Ribeiro
    BIORESOURCE TECHNOLOGY, 2013, 128 : 448 - 453
  • [27] KINETIC STUDY OF THE ENZYMATIC HYDROLYSIS OF SUGARCANE BAGASSE
    Carvalho, M. L.
    Sousa, R., Jr.
    Rodriguez-Zuniga, U. F.
    Suarez, C. A. G.
    Rodrigues, D. S.
    Giordano, R. C.
    Giordano, R. L. C.
    BRAZILIAN JOURNAL OF CHEMICAL ENGINEERING, 2013, 30 (03) : 437 - 447
  • [28] Dilute ammonia pretreatment of sugarcane bagasse followed by enzymatic hydrolysis to sugars
    Zhang, Hongdan
    Wu, Shubin
    CELLULOSE, 2014, 21 (03) : 1341 - 1349
  • [29] Reinforced alkali-pretreatment for enhancing enzymatic hydrolysis of sugarcane bagasse
    Liu, Yun-Yun
    Xu, Jing-Liang
    Zhang, Yu
    Liang, Cui-Yi
    He, Min-Chao
    Yuan, Zhen-Hong
    Xie, Jun
    FUEL PROCESSING TECHNOLOGY, 2016, 143 : 1 - 6
  • [30] Pretreatments for Enhanced Enzymatic Hydrolysis of Pinewood: a Review
    Kandhola, Gurshagan
    Djioleu, Angele
    Carrier, D. Julie
    Kim, Jin-Woo
    BIOENERGY RESEARCH, 2017, 10 (04) : 1138 - 1154
12345