期刊
INDUSTRIAL CROPS AND PRODUCTS
卷 113, 期 -, 页码 128-134出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.indcrop.2018.01.026
关键词
Wheat straw; MBSP; Enzymatic hydrolysis; XOS; Magnesium lignosulfonate
资金
- National Natural Science Foundation of China [51561145015]
- Major Program of the Natural Science Foundation of Jiangsu Higher Education of China [16KJA220004]
- Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
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.
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