Co-production of ethanol, xylo-oligosaccharides and magnesium lignosulfonate from wheat straw by a controlled magnesium bisulfite pretreatment (MBSP)

被引：18
|
作者：
Ren, Jiwei [1 ,2 ]
Liu, Lei [1 ,3 ]
Zhou, Jie [1 ,3 ]
Li, Xin [1 ,3 ]
Ouyang, Jia [1 ,3 ]
机构：
[1] Nanjing Forestry Univ, Jiangsu Coinnovat Ctr Efficient Proc & Utilizat F, Longpan Rd, Nanjing 210037, Jiangsu, Peoples R China
[2] Nanjing Forestry Univ, Coll Forestry, Longpan Rd, Nanjing 210037, Jiangsu, Peoples R China
[3] Nanjing Forestry Univ, Coll Chem Engn, Longpan Rd, Nanjing 210037, Jiangsu, Peoples R China
来源：
INDUSTRIAL CROPS AND PRODUCTS | 2018年 / 113卷
基金：
中国国家自然科学基金;
关键词：
Wheat straw; MBSP; Enzymatic hydrolysis; XOS; Magnesium lignosulfonate; SULFITE-FORMALDEHYDE PRETREATMENT; ENZYMATIC SACCHARIFICATION; CORN STOVER; RICE STRAW; AUTOHYDROLYSIS; HYDROLYSIS; CONVERSION; BIOMASS; LIGNOCELLULOSICS; BIOETHANOL;
D O I：
10.1016/j.indcrop.2018.01.026
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
Full utilization of all three major components of biomass (glucan, xylan and lignin) is considered to be the key to commercialization of bio-refinery process of biomass. In this work, based on pretreatment severity (PS), a controlled magnesium bisulfite pretreatment (MBSP) was developed to produce ethanol, xylo-oligosaccharides (XOS) and magnesium lignosulfonate (ML) simultaneously. After MBSP at PS 3.66 (170 degrees C for 40 min), about 136 g of ethanol, 98 g of XOS and 133 g of ML were achieved from1 kg raw wheat straw. As high values-added chemicals, XOS has many applications in food and pharmaceutical industries while ML can be used as surfactants and dispersing agents. These results suggest that a controlled MBSP offers an effective way to fully utilize its components and coproduce ethanol, XOS and ML from wheat straw.
引用
收藏
页码：128 / 134
页数：7
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