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Biochar promotes methane production during anaerobic digestion of organic waste

文献类型：期刊论文

作者Xiao, Leilei2,3; Lichtfouse, Eric1,4; Kumar, P. Senthil5; Wang, Quan3; Liu, Fanghua2,3
刊名ENVIRONMENTAL CHEMISTRY LETTERS
出版日期2021-05-08
页码8
ISSN号1610-3653
关键词Anaerobic digestion Biochar Methane Meta-analysis Wastewater treatment
DOI10.1007/s10311-021-01251-6
通讯作者Xiao, Leilei(llxiao@yic.ac.cn) ; Lichtfouse, Eric(eric.lichtfouse@gmail.com)
英文摘要Climate change and energy demand are calling for more sustainable fuels such as biomethane produced by anaerobic digestion of organic waste. Biochar addition to waste is presumed to enhance the efficiency of methane production, yet individual reports disclose contradictory results. Therefore, we performed a meta-analysis of 27 selected publications containing 156 paired measurements of control and biochar-amended treatments to assess the impact of biochar on the methanogenic performance. Results show that biochar promotes biomethane production substantially with a high Hedge's d value of 5.7 +/- 1.04, yet sporadic publications report a methane decline. Methanogenic performance is statistically controlled by feedstock type, pyrolysis temperature and biochar concentration, but not controlled by pH, size, surface area and methanogen species. These findings should help to tune the parameters of anaerobic digestion with biochar to optimize biomethane productions. Moreover, our results cast some doubt on the efficiency of adding biochar to soil to sequester carbon in soils because biochar promotes methane generation and, in turn, emissions of methane, a greenhouse gas, to the atmosphere.
WOS关键词VOLATILE FATTY-ACIDS ; FOOD WASTE ; CO-DIGESTION ; ACETOCLASTIC METHANOGENESIS ; SUSTAINABLE PARADIGM ; RESOURCE RECOVERY ; ACTIVATED CARBON ; CHICKEN MANURE ; SEWAGE-SLUDGE ; PARTICLE-SIZE
资助项目National Natural Science Foundation of China[42077025] ; Youth Innovation Promotion Association, CAS[2021213]
WOS研究方向Chemistry ; Engineering ; Environmental Sciences & Ecology
语种英语
WOS记录号WOS:000648379300002
资助机构National Natural Science Foundation of China ; Youth Innovation Promotion Association, CAS
源URL[http://ir.yic.ac.cn/handle/133337/27296]  
专题海岸带生物学与生物资源利用重点实验室
烟台海岸带研究所_海岸带生物学与生物资源利用所重点实验室
通讯作者Xiao, Leilei; Lichtfouse, Eric
作者单位1.Aix Marseille Univ, Coll France, CEREGE, INRAE,CNRS,IRD, Ave Louis Philibert, F-13100 Aix En Provence, France
2.Chinese Acad Sci, Yantai Inst Coastal Zone Res, CAS Key Lab Coastal Environm Proc & Ecol Remediat, Yantai 264003, Peoples R China
3.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Biol & Biol Resources Utilizat, Yantai 264003, Peoples R China
4.Xi An Jiao Tong Univ, State Key Lab Multiphase Flow Power Engn, Xian 710049, Shaanxi, Peoples R China
5.Sri Sivasubramaniya Nadar Coll Engn, Dept Chem Engn, Chennai 603110, Tamil Nadu, India
推荐引用方式
GB/T 7714		 Xiao, Leilei,Lichtfouse, Eric,Kumar, P. Senthil,et al. Biochar promotes methane production during anaerobic digestion of organic waste[J]. ENVIRONMENTAL CHEMISTRY LETTERS,2021:8.
APA Xiao, Leilei,Lichtfouse, Eric,Kumar, P. Senthil,Wang, Quan,&Liu, Fanghua.(2021).Biochar promotes methane production during anaerobic digestion of organic waste.ENVIRONMENTAL CHEMISTRY LETTERS,8.
MLA Xiao, Leilei,et al."Biochar promotes methane production during anaerobic digestion of organic waste".ENVIRONMENTAL CHEMISTRY LETTERS (2021):8.

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来源：烟台海岸带研究所

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