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Anaerobic fermentation of hybridPennisetummixed with fruit and vegetable wastes to produce volatile fatty acids

文献类型：期刊论文

作者Xing, Tao1,2,3,4; Yu, Shutai5; Zhen, Feng1,2,3; Kong, Xiaoying1,2,3; Sun, Yongming1,2,3
刊名RSC ADVANCES
出版日期2020-09-10
卷号10期号:55页码:33261-33267
DOI10.1039/d0ra04400h
通讯作者Sun, Yongming(sunym@ms.giec.ac.cn)
英文摘要The production of volatile fatty acids (VFAs)viaanaerobic fermentation is a new technology that provides a high-value utilization of biomass. This work used hybridPennisetum(HP) and fruit and vegetable waste (FVW) as raw materials to investigate the influence of different ratios of HP to FVW on the production of VFAs under different methanogenic inhibition conditions. It has been shown that both alkaline and neutral conditions (using methanogenic inhibitors), could generate higher acid yields than acidic conditions. Under initial alkaline conditions, mono-fermentation of HP and FVW could obtain maximum VFA yields of 596 +/- 22 mg g(-1)VS and 626 +/- 7 mg g(-1)VS, which were higher than those obtained under neutral conditions. In contrast, there was no remarkable difference in VFA yield between alkaline and neutral conditions when co-fermentation of HP and FVW was carried out. The VFA yields decreased significantly with the process of co-fermentation. The maximum VFA yields were decreased by 33.2% and 21.9% when HP was fermented with 15% and 30% of FVW, respectively. There was a clear difference in the composition of VFAs obtained under different initial conditions. The maximum selectivity was achieved under alkaline conditions, where the acetate content reached more than 85%. This study brings a theoretical basis for optimizing the anaerobic fermentation process of lignocellulose to produce VFAs.
WOS关键词FOOD WASTE ; LIGNOCELLULOSIC BIOMASS ; MICROBIAL COMMUNITY ; METHANE PRODUCTION ; ACIDOGENIC FERMENTATION ; CO-DIGESTION ; PH ; PRETREATMENT ; CELLULOSE ; RATIO
资助项目National Natural Science Foundation of China[51808528] ; Strategic Priority Research Program of Chinese Academy of Sciences[XDA21050400] ; National Key R&D Program of China[2018YFD0501405] ; Science and Technology Planning Project of Guangdong Province[2017B020238005] ; Science and Technology Program of Guangzhou[201803030007] ; Key Research and Development Project of Jiangxi Province[S2017ZPYFE0339]
WOS研究方向Chemistry
语种英语
WOS记录号WOS:000568227200028
出版者ROYAL SOC CHEMISTRY
资助机构National Natural Science Foundation of China ; Strategic Priority Research Program of Chinese Academy of Sciences ; National Key R&D Program of China ; Science and Technology Planning Project of Guangdong Province ; Science and Technology Program of Guangzhou ; Key Research and Development Project of Jiangxi Province
源URL[http://ir.giec.ac.cn/handle/344007/32011]  
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, Guangzhou 510640, Peoples R China
2.CAS Key Lab Renewable Energy, Guangzhou 510640, Peoples R China
3.Guangdong Prov Key Lab New & Renewable Energy Re, Guangzhou 510640, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
5.Lanzhou Univ Technol, Western China Energy & Environm Res Ctr, Lanzhou 730050, Peoples R China
推荐引用方式
GB/T 7714		 Xing, Tao,Yu, Shutai,Zhen, Feng,et al. Anaerobic fermentation of hybridPennisetummixed with fruit and vegetable wastes to produce volatile fatty acids[J]. RSC ADVANCES,2020,10(55):33261-33267.
APA Xing, Tao,Yu, Shutai,Zhen, Feng,Kong, Xiaoying,&Sun, Yongming.(2020).Anaerobic fermentation of hybridPennisetummixed with fruit and vegetable wastes to produce volatile fatty acids.RSC ADVANCES,10(55),33261-33267.
MLA Xing, Tao,et al."Anaerobic fermentation of hybridPennisetummixed with fruit and vegetable wastes to produce volatile fatty acids".RSC ADVANCES 10.55(2020):33261-33267.

入库方式： OAI收割

来源：广州能源研究所

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