Bioaugmentation strategy for enhancing anaerobic digestion of high C/N ratio feedstock with methanogenic enrichment culture

doi:10.1016/j.biortech.2018.02.069

	Bioaugmentation strategy for enhancing anaerobic digestion of high C/N ratio feedstock with methanogenic enrichment culture
	Li, Ying 1; Li, Lianhua 1; Sun, Yongming 1,2,3; Yuan, Zhenhong 1,2,3
刊名	BIORESOURCE TECHNOLOGY
	2018-08-01
卷号	261 页码:188-195
关键词	Bioaugmentation High C/N ratio Methanogenic propionate-degrading culture Microbial community
ISSN号	0960-8524
DOI	10.1016/j.biortech.2018.02.069
通讯作者	Sun, Yongming(sunym@ms.giec.ac.cn)
英文摘要	To investigate whether bioaugmentation could improve the digestion performance of high C/N ratio feedstock without co-digestion with nitrogen-rich substrate, different forms of enriched methanogenic culture were introduced to the continuous feed digesters. The performance efficiency of bioaugmentation on digestion improvement was compared. The effect of bioaugmentation on microbial community composition was revealed as well. Results demonstrated that routine bioaugmentation with liquid culture (containing the microbes and the medium remains) showed the best performance, with the organic loading rate (OLR), methane percentage, volumetric methane production (VMP) and volatile solid methane production (VSMP) higher at 1.0 g L-1 d(-1), 24%, 0.22 L L-1 d(-1) and 0.23 L g(-1) VS d(-1) respectively, compared to the non-bioaugmentation control. Whole genome pyrosequencing analysis suggested that consecutive microbial consortium addition could reconstruct the methanogens community by increasing the populations of acetoclastic methanogens Methanothrix, which could accelerate the degradation of acetate and methane production.
资助项目	National Nature Science Foundation of China[51708538] ; National key research and development program of China[2017FYD0800801] ; Science and Technology Planning Project of Guangdong Province, China[2013B010204053] ; Natural Science Foundation of Guangdong Province, China[2016A030312007] ; Natural Science Foundation of Guangdong Province, China[2017A030310443] ; Bureau of International Cooperation, Chinese Academy of Sciences[182344KYSB20170009]
WOS关键词	CO-DIGESTION ; FOOD WASTE ; BIOGAS PRODUCTION ; COMMUNITY STRUCTURE ; MICROBIAL COMMUNITY ; METHANE PRODUCTION ; AMMONIA ; PERFORMANCE ; INHIBITION ; BACTERIA
WOS研究方向	Agriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels
语种	英语
出版者	ELSEVIER SCI LTD
WOS记录号	WOS:000433211600023
资助机构	National Nature Science Foundation of China ; National key research and development program of China ; Science and Technology Planning Project of Guangdong Province, China ; Natural Science Foundation of Guangdong Province, China ; Bureau of International Cooperation, Chinese Academy of Sciences
内容类型	期刊论文
源URL	[http://ir.giec.ac.cn/handle/344007/23596]
专题	中国科学院广州能源研究所
通讯作者	Sun, Yongming
作者单位	1.Chinese Acad Sci, GuangZhou Inst Energy Convers, Lab Biomass Biochem Convers, Guangzhou 510640, Guangdong, Peoples R China 2.Guangdong Prov Key Lab New Andw Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China 3.Chinese Acad Sci, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China
推荐引用方式 GB/T 7714	Li, Ying,Li, Lianhua,Sun, Yongming,et al. Bioaugmentation strategy for enhancing anaerobic digestion of high C/N ratio feedstock with methanogenic enrichment culture[J]. BIORESOURCE TECHNOLOGY,2018,261:188-195.
APA	Li, Ying,Li, Lianhua,Sun, Yongming,&Yuan, Zhenhong.(2018).Bioaugmentation strategy for enhancing anaerobic digestion of high C/N ratio feedstock with methanogenic enrichment culture.BIORESOURCE TECHNOLOGY,261,188-195.
MLA	Li, Ying,et al."Bioaugmentation strategy for enhancing anaerobic digestion of high C/N ratio feedstock with methanogenic enrichment culture".BIORESOURCE TECHNOLOGY 261(2018):188-195.