RCEES OpenIR  > 城市与区域生态国家重点实验室
Biochar accelerates the removal of tetracyclines and their intermediates by altering soil properties
Yue, Yan1; Shen, Congcong1; Ge, Yuan1
2019-12-15
Source PublicationJOURNAL OF HAZARDOUS MATERIALS
ISSN0304-3894
Volume380Pages:-
AbstractTetracyclines accumulation in soil environment potentially threatens agroecosystem safety. Interestingly, biochar could clean up organic pollutants, but to what extent biochar affects the removal of tetracyclines is unknown. To investigate it, five types of biochars derived from cow manure (CMS) and other four plant materials were respectively added into soils contaminated with a mixture of tetracycline, oxytetracycline, and chlortetracycline for 60-day incubation in the dark. Three parent tetracyclines and their corresponding intermediates (epitetracycline, anhydrotetracycline, epianhydrotetracycline, epioxytetracycline, epichlortetracycline, and demethylchlortetracycline) were respectively determined and named as TTCs, OTCs and CTCs. Obtained results showed biochar especially CMB could effectively remove the antibiotics (P < 0.05). Compared to control, the removal rate of TTCs, OTCs and CTCs respectively increased by up to 10.86%, 10.29% and 10.12% in CMB-added soil. The increased removal rate of the antibiotics after biochar addition was due to the increasing accessibilities for degrading microorganisms via the elevating electrical conductivity. Moreover, biochar addition might stimulate these microbial activities through the increase of C and N supplement. Our results indicate biochar accelerates the removal of tetracyclines and their intermediates by altering soil properties and thus increasing the antibiotics accessibilities, which provide insights into how biochar accelerates the removal for these antibiotics.
Department城市与区域生态国家重点实验室
KeywordBiochar Tetracyclines Intermediates Removal Soil properties
Document Type期刊论文
Identifierhttp://ir.rcees.ac.cn/handle/311016/42386
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
Recommended Citation
GB/T 7714
Yue, Yan,Shen, Congcong,Ge, Yuan. Biochar accelerates the removal of tetracyclines and their intermediates by altering soil properties[J]. JOURNAL OF HAZARDOUS MATERIALS,2019,380:-.
APA Yue, Yan,Shen, Congcong,&Ge, Yuan.(2019).Biochar accelerates the removal of tetracyclines and their intermediates by altering soil properties.JOURNAL OF HAZARDOUS MATERIALS,380,-.
MLA Yue, Yan,et al."Biochar accelerates the removal of tetracyclines and their intermediates by altering soil properties".JOURNAL OF HAZARDOUS MATERIALS 380(2019):-.
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