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Improved methane production from corn straw by microaerobic pretreatment with a pure bacteria system
Xu, Wanying1; Fu, Shanfei2; Yang, Zhiman1; Lu, Jun1; Guo, Rongbo1
2018-07-01
发表期刊BIORESOURCE TECHNOLOGY
ISSN0960-8524
卷号259页码:18-23
摘要Thermophilic microaerobic pretreatment has been proved to be efficient in improving methane production of corn straw in previous studies. In this study, the effect of mesophilic (37 degrees C) microaerobic pretreatment using Bacillus Subtilis on the anaerobic digestion of corn straw was explored. Microaerobic pretreatment with a pure bacteria system was beneficial for the anaerobic digestion of corn straw, which obviously improved the methane yield. The maximum methane yield of 270.8 mL/g VS was obtained at the oxygen load of 5 mL/g VS, which was 17.35% higher than that of untreated group. Groups with mesophilic microaerobic pretreatment obtained higher glucose and VFAs concentrations, as well as higher peroxidase activities after 24 h pretreatment. In addition, the X-ray diffraction (XRD) analysis displayed the crystallinity indexes of pretreated groups were also decreased. Therefore, microaerobic pretreatment with a pure bacteria system (Bacillus Subtilis) is an efficient pretreatment method to enhance the anaerobic digestion efficiency of cellulosic biomass.
文章类型Article
关键词Anaerobic Digestion Microaerobic Pretreatment Corn Straw Bacillus Subtilis
WOS标题词Science & Technology ; Life Sciences & Biomedicine ; Technology
DOI10.1016/j.biortech.2018.02.046
关键词[WOS]STATE ANAEROBIC-DIGESTION ; LIGNOCELLULOSIC BIOMASS ; CRYSTALLINE CELLULOSE ; ENZYMATIC-HYDROLYSIS ; MICROALGAL BIOMASS ; BACILLUS-SUBTILIS ; BIOGAS PRODUCTION ; CATTLE MANURE ; WHEAT-STRAW ; RICE STRAW
收录类别SCI ; ISTP
语种英语
WOS研究方向Agriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels
项目资助者innovation project of Shandong Provincial Key Laboratory of Energy Genetics ; National Natural Science Foundation of China(41773102) ; Key Research & Development Project of Shandong(2017GSF217007) ; National Key Technology RD Program(2015BAL04B02) ; Key Technological Innovation Project of Shandong(2017CXGC0305) ; Integrated and Industrialized Research of the Gasified Grain-based Residuals(2014BAC31B01)
WOS类目Agricultural Engineering ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS记录号WOS:000429820300003
出版者ELSEVIER SCI LTD
引用统计
文献类型期刊论文
条目标识符http://ir.qibebt.ac.cn/handle/337004/10750
专题工业生物燃气研究组
通讯作者Guo, Rongbo
作者单位1.Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, Qingdao 266101, Shandong, Peoples R China
2.Jiangnan Univ, Sch Environm & Civil Engn, Wuxi 214122, Jiangsu, Peoples R China
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Xu, Wanying,Fu, Shanfei,Yang, Zhiman,et al. Improved methane production from corn straw by microaerobic pretreatment with a pure bacteria system[J]. BIORESOURCE TECHNOLOGY,2018,259:18-23.
APA Xu, Wanying,Fu, Shanfei,Yang, Zhiman,Lu, Jun,&Guo, Rongbo.(2018).Improved methane production from corn straw by microaerobic pretreatment with a pure bacteria system.BIORESOURCE TECHNOLOGY,259,18-23.
MLA Xu, Wanying,et al."Improved methane production from corn straw by microaerobic pretreatment with a pure bacteria system".BIORESOURCE TECHNOLOGY 259(2018):18-23.
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