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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
Source PublicationBIORESOURCE TECHNOLOGY
ISSN0960-8524
Volume259Pages:18-23
AbstractThermophilic 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.
SubtypeArticle
KeywordAnaerobic Digestion Microaerobic Pretreatment Corn Straw Bacillus Subtilis
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine ; Technology
DOI10.1016/j.biortech.2018.02.046
WOS KeywordSTATE ANAEROBIC-DIGESTION ; LIGNOCELLULOSIC BIOMASS ; CRYSTALLINE CELLULOSE ; ENZYMATIC-HYDROLYSIS ; MICROALGAL BIOMASS ; BACILLUS-SUBTILIS ; BIOGAS PRODUCTION ; CATTLE MANURE ; WHEAT-STRAW ; RICE STRAW
Indexed BySCI ; ISTP
Language英语
WOS Research AreaAgriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels
Funding Organizationinnovation 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 SubjectAgricultural Engineering ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS IDWOS:000429820300003
PublisherELSEVIER SCI LTD
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qibebt.ac.cn/handle/337004/10750
Collection工业生物燃气团队
Corresponding AuthorGuo, Rongbo
Affiliation1.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
Recommended Citation
GB/T 7714
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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