Perfluorooctanoic acid triggers oxidative stress in anaerobic digestion of sewage sludge
文献类型：期刊论文
| 作者 | Jiao, Yimeng2; Zou, Mei2; Yang, Xiao3; Tsang, Yiu Fai1; Chen, Hongbo2 |
| 刊名 | JOURNAL OF HAZARDOUS MATERIALS
 |
| 出版日期 | 2022-02-15 |
| 卷号 | 424页码:12 |
| 关键词 | Perfluorooctanoic acid Oxidative stress Anaerobic digestion Sewage sludge Methane production |
| ISSN号 | 0304-3894 |
| DOI | 10.1016/j.jhazmat.2021.127418 |
| 通讯作者 | Chen, Hongbo(chenhongbo@hnu.edu.cn) |
| 英文摘要 | Perfluorooctanoic acid (PFOA), as a recalcitrant organic pollutant, inevitably enters wastewater treatment facilities and is enriched in settled sludge. However, the potential impact of PFOA on sludge treatment has never been documented. In this study, the effect of PFOA on anaerobic digestion of sewage sludge and its underlying mechanism were investigated through batch and long-term experiments. The presence of PFOA was found to be deleterious for methane production from sewage sludge. 170 mg/kg total solids PFOA reduced the cumulative methane production from 197.1 +/- 1.92-159.9 +/- 3.10 mL/g volatile solids. PFOA induces the production of reactive oxygen species, which directly leads to cell inactivation and interferes with methane production. PFOA stimulates microorganisms to secrete more extracellular polymeric substances (mainly proteins), which not only hinders the solubilization of organic matter but also down-regulate enzyme activities to inhibit acidification and methanogenesis. In addition, PFOA reduces the diversity of microorganisms, especially the abundance of acid producing bacteria and methanogens, making the microbial community unfavorable for methane production. |
| WOS关键词 | EXTRACELLULAR POLYMERIC SUBSTANCES ; WASTE ACTIVATED-SLUDGE ; CHAIN FATTY-ACIDS ; ENZYME-ACTIVITIES ; DNA-DAMAGE ; GEN. NOV. ; SULFONATE ; MECHANISMS ; RESPONSES ; TOXICITY |
| 资助项目 | Hunan Provincial Natural Science Foundation[2020JJ4576] ; Scientific Research Foundation of Hunan Provincial Education Department[20K130] |
| WOS研究方向 | Engineering ; Environmental Sciences & Ecology |
| 语种 | 英语 |
| WOS记录号 | WOS:000719917700004 |
| 出版者 | ELSEVIER |
| 资助机构 | Hunan Provincial Natural Science Foundation ; Scientific Research Foundation of Hunan Provincial Education Department |
| 源URL | [http://ir.igsnrr.ac.cn/handle/311030/167818]  |
| 专题 | 中国科学院地理科学与资源研究所 |
| 通讯作者 | Chen, Hongbo |
| 作者单位 | 1.Educ Univ Hong Kong, Dept Sci & Environm Studies, Tai Po, Hong Kong 999077, Peoples R China 2.Xiangtan Univ, Coll Environm & Resources, Xiangtan 411105, Peoples R China 3.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Land Surface Pattern & Simulat, Beijing 100101, Peoples R China |
| 推荐引用方式 GB/T 7714 | Jiao, Yimeng,Zou, Mei,Yang, Xiao,et al. Perfluorooctanoic acid triggers oxidative stress in anaerobic digestion of sewage sludge[J]. JOURNAL OF HAZARDOUS MATERIALS,2022,424:12. |
| APA | Jiao, Yimeng,Zou, Mei,Yang, Xiao,Tsang, Yiu Fai,&Chen, Hongbo.(2022).Perfluorooctanoic acid triggers oxidative stress in anaerobic digestion of sewage sludge.JOURNAL OF HAZARDOUS MATERIALS,424,12. |
| MLA | Jiao, Yimeng,et al."Perfluorooctanoic acid triggers oxidative stress in anaerobic digestion of sewage sludge".JOURNAL OF HAZARDOUS MATERIALS 424(2022):12. |
入库方式： OAI收割
来源：地理科学与资源研究所
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