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Comparative study of pretreated corn stover for sugar production using cotton pulping black liquor (CPBL) instead of sodium hydroxide
Liu, Huan1,2; Pang, Bo2; Zhou, Jinghui1; Han, Ying1; Lu, Jie1; Li, Haiming1; Wang, Haisong1,2
2016-06-01
发表期刊INDUSTRIAL CROPS AND PRODUCTS
卷号84页码:97-103
摘要Black liquor is a significant water pollution source, and many investigations related to black liquor have been performed over the years. Recovering cotton pulping black liquor (CPBL) is difficult due to its low lignin content. This study presents corn stover pretreatments using CPBL alone and in combination with other agents to improve the cost-effectiveness of the biomass-to-sugar conversion. The results showed that 78.4%, 74.9% and 82.1% of the lignin was removed after pretreatment with sodium hydroxide (SHP), CPBL (CPBLP) and CPBL combined with sodium sulfite (SS-CPBLP). Accordingly, the glucose and xylose contents in the pretreated corn stover increased to more than 62% and 24% after CPBLP and SS-CPBLP, respectively, which was comparable to SHP. Moreover, the total sugar yield of CPBLP and SS-CPBLP was 66.4% and 75.3%, which was 2.9% and 11.8% higher than that of SHP (63.5%), respectively. The lignin content in the black liquor rose from 6.9 g/L to 17.8 g/L, and the sulfonation degree of the black liquor reached 0.8 mmol/g after SS-CPBLP, which had a positive effect on further lignin utilization. The results indicate that the use of CPBL for corn stover pretreatment not only efficiently produced fermentable sugar products, but also presented a solution to the CPBL pollution issue. Thus, this process represents a method of waste recycling with high industrialization potential. (C) 2016 Elsevier B.V. All rights reserved.
文章类型Article
关键词Corn Stover Alkaline Pretreatment Cotton Pulping Black Liquor Enzymatic Hydrolysis
WOS标题词Science & Technology ; Life Sciences & Biomedicine
DOI10.1016/j.indcrop.2016.01.047
关键词[WOS]ENZYMATIC SACCHARIFICATION ; ALKALINE PRETREATMENT ; BIOETHANOL PRODUCTION ; SULFITE PRETREATMENT ; ETHANOL-PRODUCTION ; RICE STRAW ; ACID ; LIGNOSULFONATE ; TEMPERATURE ; SWITCHGRASS
收录类别SCI
语种英语
WOS研究方向Agriculture
项目资助者Natural Science Foundation of China(21206184 ; National High Technology Research and Development Program ("863" program) of China(2012AA022301) ; 31370582 ; 31170554 ; 31370584)
WOS类目Agricultural Engineering ; Agronomy
WOS记录号WOS:000373538000014
引用统计
文献类型期刊论文
条目标识符http://ir.qibebt.ac.cn/handle/337004/8255
专题绿色化学催化研究组
作者单位1.Dalian Polytech Univ, Liaoning Key Lab Pulp & Papermaking Engn, Dalian 116034, Liaoning, Peoples R China
2.Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, Key Lab Biofuels, Qingdao 266101, Peoples R China
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Liu, Huan,Pang, Bo,Zhou, Jinghui,et al. Comparative study of pretreated corn stover for sugar production using cotton pulping black liquor (CPBL) instead of sodium hydroxide[J]. INDUSTRIAL CROPS AND PRODUCTS,2016,84:97-103.
APA Liu, Huan.,Pang, Bo.,Zhou, Jinghui.,Han, Ying.,Lu, Jie.,...&Wang, Haisong.(2016).Comparative study of pretreated corn stover for sugar production using cotton pulping black liquor (CPBL) instead of sodium hydroxide.INDUSTRIAL CROPS AND PRODUCTS,84,97-103.
MLA Liu, Huan,et al."Comparative study of pretreated corn stover for sugar production using cotton pulping black liquor (CPBL) instead of sodium hydroxide".INDUSTRIAL CROPS AND PRODUCTS 84(2016):97-103.
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