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Enhanced biogas production from sorghum stem by co-digestion with cow manure
Zhang, Zhikai1,2; Zhang, Guangyi1; Li, Wangliang3; Li, Chunxing4; Xu, Guangwen1
2016-06-08
Source PublicationINTERNATIONAL JOURNAL OF HYDROGEN ENERGY
ISSN0360-3199
Volume41Issue:21Pages:9153-9158
AbstractIn order to achieve high biogas yield and make clear the effects of carbon to nitrogen (C/N) ratio on digestion to further understand the co-digestion performance, this study investigated the high-solid anaerobic digestion (HSAD) of sorghum stem using urea to adjust its C/N ratio and the co-digestion of sorghum stem and cow manure. The HSAD of sorghum stem possessing high energy potential and high C/N ratio was easy to become acidified, even with addition of urea, leading to generation of plenty of hydrogen during the first 3 days of digestion. When the C/N ratio was adjusted to 25 with urea, the biogas yield was 413 mL/g VS, 26% higher than that of raw sorghum stem. With the C/N ratio of 25, the co-digestion of sorghum stem and cow manure generated the highest biogas yield of 478 mL/ g VS. Co-digestion enabled stable pH value and high digestion efficiency and avoided extreme acidification. On one hand, the improvement on biogas production by co-digestion was partially attributed to the adjusted C/N ratio. On the other hand, trace elements in cow manure such as Fe, Ni, Zn, Ca, etc may also contribute to the enhancement in biogas production. (C) 2016 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
KeywordSorghum Stem Biogas Hydrogen Anaerobic Digestion Co-digestion
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1016/j.lihydene.2016.02.042
Indexed BySCI ; ISTP
Language英语
WOS KeywordFERMENTATIVE HYDROGEN-PRODUCTION ; IMPROVED METHANE YIELD ; ORGANIC-SOLID WASTES ; ANAEROBIC-DIGESTION ; BIOHYDROGEN PRODUCTION ; CATTLE MANURE ; FOOD WASTE ; RUMINOCOCCUS-ALBUS ; RATIO ; EXTRACT
WOS Research AreaChemistry ; Electrochemistry ; Energy & Fuels
WOS SubjectChemistry, Physical ; Electrochemistry ; Energy & Fuels
WOS IDWOS:000378359100041
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/21180
Collection多相复杂系统国家重点实验室
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
3.Natl Univ Singapore, NUS Environm Res Inst, 5A Engn Dr 1, Singapore 117411, Singapore
4.Chinese Acad Sci, Inst Urban Environm, Key Lab Urban Pollutant Convers, Xiamen 361021, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Zhikai,Zhang, Guangyi,Li, Wangliang,et al. Enhanced biogas production from sorghum stem by co-digestion with cow manure[J]. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,2016,41(21):9153-9158.
APA Zhang, Zhikai,Zhang, Guangyi,Li, Wangliang,Li, Chunxing,&Xu, Guangwen.(2016).Enhanced biogas production from sorghum stem by co-digestion with cow manure.INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,41(21),9153-9158.
MLA Zhang, Zhikai,et al."Enhanced biogas production from sorghum stem by co-digestion with cow manure".INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 41.21(2016):9153-9158.
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