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Anaerobic Digestion of Yard Waste with Hydrothermal Pretreatment
Alternative TitleAppl. Biochem. Biotechnol.
Li, Wangliang1; Zhang, Guangyi1; Zhang, Zhikai1,2; Xu, Guangwen1
2014-03-01
Source PublicationAPPLIED BIOCHEMISTRY AND BIOTECHNOLOGY
ISSN0273-2289
Volume172Issue:5Pages:2670-2681
AbstractThe digestibility of lignocellulosic biomass is limited by its high content of refractory components. The objective of this study is to investigate hydrothermal pretreatment and its effects on anaerobic digestion of sorted organic waste with submerged fermentation. Hydrothermal pretreatment (HT) was performed prior to anaerobic digestion, and three agents were examined for the HT: hot compressed water, alkaline solution, and acidic solution. The concentrations of glucose and xylose were the highest in the sample pretreated in acidic solution. Compared with that of the untreated sample, the biogas yields from digesting the samples pretreated in alkaline solution, acidic solution, and hot water increased by 364, 107, and 79 %, respectively. The decrease of chemical oxygen demand (COD) in liquid phase followed the same order as for the biogas yield. The initial ammonia content of the treated samples followed the order sample treated in acidic solution > sample treated in alkaline solution > sample treated in hot water. The concentrations of volatile fatty acids (VFAs) were low, indicating that the anaerobic digestion process was running at continuously stable conditions.; The digestibility of lignocellulosic biomass is limited by its high content of refractory components. The objective of this study is to investigate hydrothermal pretreatment and its effects on anaerobic digestion of sorted organic waste with submerged fermentation. Hydrothermal pretreatment (HT) was performed prior to anaerobic digestion, and three agents were examined for the HT: hot compressed water, alkaline solution, and acidic solution. The concentrations of glucose and xylose were the highest in the sample pretreated in acidic solution. Compared with that of the untreated sample, the biogas yields from digesting the samples pretreated in alkaline solution, acidic solution, and hot water increased by 364, 107, and 79 %, respectively. The decrease of chemical oxygen demand (COD) in liquid phase followed the same order as for the biogas yield. The initial ammonia content of the treated samples followed the order sample treated in acidic solution > sample treated in alkaline solution > sample treated in hot water. The concentrations of volatile fatty acids (VFAs) were low, indicating that the anaerobic digestion process was running at continuously stable conditions.
KeywordAnaerobic Digestion Hydrolysis Hydrothermal Biogas Municipal Solid Wastes
SubtypeArticle
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
DOI10.1007/s12010-014-0724-6
URL查看原文
Indexed BySCI
Language英语
WOS KeywordBIOGAS PRODUCTION ; LIGNOCELLULOSIC BIOMASS ; STEAM PRETREATMENT ; SOLID-WASTES ; WHEAT-STRAW ; INHIBITION ; METHANE ; FERMENTATION ; LIQUEFACTION ; HYDROGEN
WOS Research AreaBiochemistry & Molecular Biology ; Biotechnology & Applied Microbiology
WOS SubjectBiochemistry & Molecular Biology ; Biotechnology & Applied Microbiology
WOS IDWOS:000333249100032
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Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/8027
Collection研究所(批量导入)
Affiliation1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Li, Wangliang,Zhang, Guangyi,Zhang, Zhikai,et al. Anaerobic Digestion of Yard Waste with Hydrothermal Pretreatment[J]. APPLIED BIOCHEMISTRY AND BIOTECHNOLOGY,2014,172(5):2670-2681.
APA Li, Wangliang,Zhang, Guangyi,Zhang, Zhikai,&Xu, Guangwen.(2014).Anaerobic Digestion of Yard Waste with Hydrothermal Pretreatment.APPLIED BIOCHEMISTRY AND BIOTECHNOLOGY,172(5),2670-2681.
MLA Li, Wangliang,et al."Anaerobic Digestion of Yard Waste with Hydrothermal Pretreatment".APPLIED BIOCHEMISTRY AND BIOTECHNOLOGY 172.5(2014):2670-2681.
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