Biochar application in anaerobic digestion: Performances, mechanisms, environmental assessment and circular economy

被引:96
作者
Chen, Le [1 ,2 ]
Fang, Wei [1 ,2 ]
Liang, Jinsong [1 ,2 ]
Nabi, Mohammad [3 ]
Cai, Yajing [1 ,2 ]
Wang, Qingyan [1 ,2 ]
Zhang, Panyue [1 ,2 ]
Zhang, Guangming [4 ]
机构
[1] Beijing Forestry Univ, Coll Environm Sci & Engn, Beijing Key Lab Source Control Technol Water Pollu, Beijing 100083, Peoples R China
[2] Beijing Forestry Univ, Coll Environm Sci & Engn, Engn Res Ctr Water Pollut Source Control & Ecoreme, Beijing 100083, Peoples R China
[3] Beijing Univ Civil Engn & Architecture, Sch Environm & Energy Engn, Beijing 100044, Peoples R China
[4] Hebei Univ Technol, Sch Energy & Environm Engn, Tianjin 300130, Peoples R China
基金
中国国家自然科学基金;
关键词
Anaerobic digestion; Biochar; Methane production; Environmental assessment; Circular economy; INTERSPECIES ELECTRON-TRANSFER; ANTIBIOTIC-RESISTANCE GENES; METHANE PRODUCTION; PYROLYSIS TEMPERATURE; CARBON-DIOXIDE; CHICKEN MANURE; HEAVY-METALS; CO-DIGESTION; WASTE; SLUDGE;
D O I
10.1016/j.resconrec.2022.106720
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Understanding on effectiveness of biochar application in anaerobic digestion while attaching importance to impact of this process on environment and circular economy have been gaining more and more attention. In this review the influences of biochar application in anaerobic digestion on methane production, system stability, lag period, and in-situ biogas purification and upgradation are systematically identified and discussed. Notably, the underlying mechanisms of buffering effect, direct interspecies electron transfer, microbial immobilization, disinhibition effect, and quorum sensing are analyzed. Meanwhile, the impacts of biochar application in anaerobic digestion on pollutant removal, waste management, and greenhouse gas emission reduction are comprehensively evaluated. Furthermore, a specific attention is paid to the roles of biochar in promoting anaerobic digestion circular economy. Finally, based on current challenges, future perspectives are proposed for engineering practice. The aim of this review is to gain insight into biochar application in anaerobic digestion from the perspective of performance improvement, environmental friendliness and economic sustainability.
引用
收藏
页数:13
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