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Laboratory-scale study of a biodegradable microplastic polylactic acid stabilizing aerobic granular sludge system

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成果类型:
期刊论文
作者:
Song, Xin;Sun, Shiquan;Gao, Yang;Zhang, Wei;Zhou, Lean;...
通讯作者:
Sun, Shiquan(shiquan_sun@csust.edu.cn)
作者机构:
[Zhou, Lu; Wan, Junli; Zhang, Wei; Gao, Yang; Zhou, Lean; Song, Xin; Sun, Shiquan; Jiang, C. B.; Chen, Jing; Yu, Guanlong] Changsha Univ Sci & Technol, Sch Hydraul Engn, Changsha 410114, Peoples R China.
[Zhou, Lu; Wan, Junli; Zhang, Wei; Gao, Yang; Zhou, Lean; Song, Xin; Sun, Shiquan; Jiang, C. B.; Chen, Jing; Yu, Guanlong] Engn & Tech Ctr Hunan Prov Environm Protect River, Changsha 410114, Peoples R China.
通讯机构:
[Sun, S.] S
School of Hydraulic Engineering, China
语种:
英文
关键词:
Hydrogen bond;Microbial analysis;Removal efficiency;Stability;β-D-glucopyranose polysaccharides
期刊:
Environmental Pollution
ISSN:
0269-7491
年:
2022
卷:
306
页码:
119329
基金类别:
This work was supported by the National Natural Science Foundation of China [No. 51309032 ], Technology Progress and Innovation project of the Transport Department of Hunan Province [ 202034 ], Natural Science Foundation of Hunan Province [No. 2020JJ4612 ], and Hunan Key R & D Program Project [No. 2019SK2191 ].
机构署名:
本校为第一机构
院系归属:
水利工程学院
摘要:
The effects of microplastics on aerobic granular sludge technology are an emerging issue, although the impact of degradable microplastics (DMPs) on the aerobic granular system is still unexplored. In this study, degradable microplastic polylactic acid (DMP-PLA) was added at three concentrations (5, 15, 40 mg/L), which strengthened the granular stability and consequently stabilized pollutant removal compared to the control (without DMP-PLA). The experiment showed that adding DMP-PLA made cells secrete more extracellular polymeric substances [64....

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