石墨烯
厌氧消化
四环素
污水污泥
食物垃圾
甲烷
氧化物
石墨
微生物学
污水
化学
食品科学
抗生素
材料科学
生物
环境科学
环境工程
生态学
纳米技术
有机化学
作者
Pan Wang,Yi Zheng,Peiru Lin,Jinglin Li,Heng Dong,Yu H,Lishuang Qi,Ling Ren
标识
DOI:10.1016/j.biortech.2021.125585
摘要
This study explored and compared the influence of graphite, graphene, and graphene oxide (GO) on the performance of anaerobic co-digestion fed with sewage sludge and food waste, the variations of antibiotic resistance genes (ARGs), and the evolution of microbial community. Graphene exhibited the best performance for improving methane production and organic degradation, which increased by 36.09% and 23.07% compared with control group. The experimental results showed that graphene had the greatest influence on the removal efficiency of blaOXA-1, macrolide resistance genes (ermF and ermB), and some tetracycline resistance genes (tetQ and tetX); however, the removal efficiency of sulfonamide resistance genes (sul1 and sul2), intI1, and some tetracycline resistance genes (tetM, tetO, and tetW) were highest when GO was added. Network analysis indicated that the host cells of mefA, ermB, and tetO were different from other ARG host cells; moreover, graphene controlled the horizontal transfer of ARGs between microbial communities.
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