Initial pH-driven production of volatile fatty acid from hybrid Pennisetum

doi:10.1016/j.biortech.2021.126426

GIEC OpenIR

	Initial pH-driven production of volatile fatty acid from hybrid Pennisetum
	Xing, Tao 1,2; Wang, Zhi 1,2,3; Zhen, Feng1,2 ; Liu, Huiliang 1,2,4; Wo, Defang 5; Li, Lianhua1,2 ; Guo, Ying1,2 ; Kong, Xiaoying1,2 ; Sun, Yongming1,2
	2022-03-01
发表期刊	BIORESOURCE TECHNOLOGY
ISSN	0960-8524
卷号	347 页码:8
通讯作者	Kong, Xiaoying(kongxy@ms.giec.ac.cn)
摘要	In this work, the impact of initial pH on the production of volatile fatty acids (VFAs) of hybrid Pennisetum was investigated. The batch experiments were conducted under six distinct beginning pH at a mesophilic temperature. Initial pH had an obvious effect on VFA yield and composition, and severe alkaline circumstances (pH(in) = 11.0) could boost VFA production and acetic acid selectivity. The highest VFAs yield and acetate proportion were obtained when the initial pH was 11.0, with 518 +/- 29 mg g(-1) VS and 92%. Furthermore, microbial community analysis showed that alkaliphilic acetogenic anaerobe such as Amphibacillus, Tissierella, and Natronincola were the dominant species when the initial pH was 11.0. The Amphibacillus is the main hydrolysis bacterium under these conditions because of its high ability for xylan degradation at pH 9.0-10.0. Because of the increased VFA yield and superior acetic acid selectivity, the results suggest that adjusting the initial pH to 11.0 in batch mode would be possible for scaling-up purposes.
关键词	VFA production Anaerobic digestion Hybrid Pennisetum Initial pH Microbial community
DOI	10.1016/j.biortech.2021.126426
关键词[WOS]	ANAEROBIC-DIGESTION ; FOOD WASTE ; METHANE PRODUCTION ; VFAS PRODUCTION ; ORGANIC-MATTER ; GEN. NOV. ; FERMENTATION ; ACIDOGENESIS ; ACCUMULATION ; INHIBITION
收录类别	SCI
语种	英语
资助项目	National Natural Science Foundation of China[51808528] ; National Natural Science Foundation of China[21978289] ; Strategic Priority Research Program of Chinese Academy of Sciences[XDA21050400]
WOS研究方向	Agriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels
项目资助者	National Natural Science Foundation of China ; Strategic Priority Research Program of Chinese Academy of Sciences
WOS类目	Agricultural Engineering ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS记录号	WOS:000794133000006
出版者	ELSEVIER SCI LTD
引用统计	被引频次：10[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.giec.ac.cn/handle/344007/36522
专题	中国科学院广州能源研究所
通讯作者	Kong, Xiaoying
作者单位	1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Peoples R China 2.Guangdong Prov Key Lab New & Renewable Energy Res, Guangzhou 510640, Peoples R China 3.Univ Sci & Technol China, Hefei 230026, Peoples R China 4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 5.South China Agr Univ, Coll Mat & Energy, Guangzhou 510642, Peoples R China
第一作者单位	中国科学院广州能源研究所
推荐引用方式 GB/T 7714	Xing, Tao,Wang, Zhi,Zhen, Feng,et al. Initial pH-driven production of volatile fatty acid from hybrid Pennisetum[J]. BIORESOURCE TECHNOLOGY,2022,347:8.
APA	Xing, Tao.,Wang, Zhi.,Zhen, Feng.,Liu, Huiliang.,Wo, Defang.,...&Sun, Yongming.(2022).Initial pH-driven production of volatile fatty acid from hybrid Pennisetum.BIORESOURCE TECHNOLOGY,347,8.
MLA	Xing, Tao,et al."Initial pH-driven production of volatile fatty acid from hybrid Pennisetum".BIORESOURCE TECHNOLOGY 347(2022):8.