RCEES OpenIR  > 城市与区域生态国家重点实验室
Seasonal dynamics of soil microbial diversity and functions along elevations across the treeline
Shen, Congcong; He, Ji-Zheng; Ge, Yuan
2021-11-15
Source PublicationSCIENCE OF THE TOTAL ENVIRONMENT
ISSN0304-3894
Volume420Pages:-
AbstractBiochar has attracted increasing attention in water pollution control, attributed to its various merits, e.g., tunable physico-chemical properties. The oxygenated functional groups (OFGs) on biochar are key active sites for removing pollutants from water through interfacial adsorption/redox reaction. However, there is still a lack of comprehensive knowledge and perspective on tuning OFGs on biochar for enhanced performance in water pollution control. Here, this review highlighted the mechanisms of biochar OFGs in water pollution control, analyzed the strategies and mechanisms for tuning OFGs on biochar, and investigated the performances of biochars with tuned OFGs in removing inorganic/organic pollutants via adsorption/redox reactions. Specifically, strategies for tuning OFGs on biochar are far more than the well-recognized ex-situ oxidation of pristine biochar. These strategies include in-situ low temperature preservation of hydroxyl and carboxyl, in-/ex-situ oxidation of biochar, and in-/ex-situ grafting of carboxyl on biochar via cycloaddition/acylation reaction. The resultant biochars showed enhanced performances in adsorption (mainly mediated by hydroxyl, carboxyl and ketone through surface complexation, H-bonding, and electrostatic attraction) and redox reaction (mainly mediated by redox-active hydroxyl and ketone). Finally, this review presented future directions on developing biochar with specially tuned surface OFGs as a sustainable high-performance adsorbent/carbocatalyst for water pollution control.
Department城市与区域生态国家重点实验室
KeywordBiochar Oxygenated functional group Water pollution control Adsorption Redox reaction
Document Type期刊论文
Identifierhttps://ir.rcees.ac.cn/handle/311016/46755
Collection城市与区域生态国家重点实验室
Affiliation1.Chinese Acad Sci, Res Ctr Ecoenvironm Sci, State Key Lab Urban & Reg Ecol, Beijing 100085, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Fujian Normal Univ, Sch Geog Sci, Key Lab Humid Subtrop Ecogeog Proc, Minist Educ, Fuzhou 350007, Peoples R China
Recommended Citation
GB/T 7714
Shen, Congcong,He, Ji-Zheng,Ge, Yuan. Seasonal dynamics of soil microbial diversity and functions along elevations across the treeline[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2021,420:-.
APA Shen, Congcong,He, Ji-Zheng,&Ge, Yuan.(2021).Seasonal dynamics of soil microbial diversity and functions along elevations across the treeline.SCIENCE OF THE TOTAL ENVIRONMENT,420,-.
MLA Shen, Congcong,et al."Seasonal dynamics of soil microbial diversity and functions along elevations across the treeline".SCIENCE OF THE TOTAL ENVIRONMENT 420(2021):-.
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