Biochar promotes methane production during anaerobic digestion of organic waste | |
Xiao, Leilei1,2![]() ![]() | |
发表期刊 | ENVIRONMENTAL CHEMISTRY LETTERS
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ISSN | 1610-3653 |
2021-05-08 | |
页码 | 8 |
关键词 | Anaerobic digestion Biochar Methane Meta-analysis Wastewater treatment |
DOI | 10.1007/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. |
资助机构 | National Natural Science Foundation of China ; Youth Innovation Promotion Association, CAS |
收录类别 | SCI |
语种 | 英语 |
关键词[WOS] | VOLATILE FATTY-ACIDS ; FOOD WASTE ; CO-DIGESTION ; ACETOCLASTIC METHANOGENESIS ; SUSTAINABLE PARADIGM ; RESOURCE RECOVERY ; ACTIVATED CARBON ; CHICKEN MANURE ; SEWAGE-SLUDGE ; PARTICLE-SIZE |
研究领域[WOS] | Chemistry ; Engineering ; Environmental Sciences & Ecology |
WOS记录号 | WOS:000648379300002 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.yic.ac.cn/handle/133337/27297 |
专题 | 海岸带生物学与生物资源利用重点实验室 海岸带生物学与生物资源利用重点实验室_海岸带生物学与生物资源保护实验室 |
通讯作者 | Xiao, Leilei; Lichtfouse, Eric |
作者单位 | 1.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Biol & Biol Resources Utilizat, Yantai 264003, Peoples R China 2.Chinese Acad Sci, Yantai Inst Coastal Zone Res, CAS Key Lab Coastal Environm Proc & Ecol Remediat, Yantai 264003, Peoples R China 3.Aix Marseille Univ, Coll France, CEREGE, INRAE,CNRS,IRD, Ave Louis Philibert, F-13100 Aix En Provence, France 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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