Removal effects and retention mechanisms of micro-nano plastics by biological activated carbon columns DOI

Hongliang Ji,

Zhenzhong Liu,

Lili Liao

et al.

Journal of Water Process Engineering, Journal Year: 2024, Volume and Issue: 69, P. 106712 - 106712

Published: Dec. 15, 2024

Language: Английский

Biodegradable Microplastics Increase N2O Emission from Denitrifying Sludge More Than Conventional Microplastics DOI
Yanying He, Xiang Li, Yingrui Liu

et al.

Environmental Science & Technology Letters, Journal Year: 2024, Volume and Issue: unknown

Published: June 10, 2024

Despite the increasing concern about impacts of microplastics on wastewater treatment, underlying mechanism by which affect nitrous oxide (N2O) accumulation during denitrification is still underexplored. In particular, effects biodegradable (BMPs) sewage sludge systems are largely overlooked. Previous studies often used one type polymer as model microplastics, far from a real-world scenario various occurring simultaneously. This work assesses toxic influences chronically adding four typical BMPs versus conventional nonbiodegradable (NBMPs) to denitrifying sludge. Our results showed that both and NBMPs suppressed performance, intensified electron competition, regulated distribution, consequently promoted N2O at chemical oxygen demand:nitrate ratio <4:1. Importantly, more severe were observed in reactor with BMPs. A subsequent mechanistic study revealed significantly decreased relative abundances denitrifiers key genes involved transport consumption system (ETCS), might be related varied extracellular polymeric substance components. contrast, damaged bacterial membranes directly caused dead cells overproducing reactive species, hence disrupting ETCS. Overall, this suggested wastewater, especially BMPs, could disrupt potentially increase greenhouse gas emission.

Language: Английский

Citations

8
Joule heat assisting electrochemical degradation of polyethylene microplastics melted on anode DOI
Dan Shao,

Weipeng Zhao,

Shiyu Ji

et al.

Applied Catalysis B Environment and Energy, Journal Year: 2024, Volume and Issue: 357, P. 124281 - 124281

Published: June 12, 2024

Language: Английский

Citations

8
New insights into the concentration-dependent regulation of membrane biofouling formation via continuous nanoplastics stimulation DOI
Xinhui Liu,

Yu Yang,

Satoshi Takizawa

et al.

Water Research, Journal Year: 2024, Volume and Issue: 253, P. 121268 - 121268

Published: Feb. 5, 2024

Language: Английский

Citations

6
Polystyrene microplastics accumulation in lab-scale vertical flow constructed wetlands: impacts and fate DOI

Zhenchen Li,

Wenbo Liu, Md. Hasibur Rahaman

et al.

Journal of Hazardous Materials, Journal Year: 2023, Volume and Issue: 461, P. 132576 - 132576

Published: Sept. 17, 2023

Language: Английский

Citations

15
Long-term exposure of polytetrafluoroethylene-nanoplastics on the nitrogen removal and extracellular polymeric substances in sequencing batch reactor DOI
Huan Yang, Yang Liu, Changwei Niu

et al.

Enzyme and Microbial Technology, Journal Year: 2023, Volume and Issue: 166, P. 110229 - 110229

Published: March 21, 2023

Language: Английский

Citations

14
Nanoplastics enhance the denitrification process and microbial interaction network in wetland soils DOI
Zheng Hao,

Shangwei He,

Qianhong Wang

et al.

Water Research, Journal Year: 2024, Volume and Issue: 259, P. 121796 - 121796

Published: May 21, 2024

Language: Английский

Citations

5
High nitrous oxide (N2O) greenhouse gas reduction potential of Pseudomonas sp. YR02 under aerobic condition DOI
Yuren Wang, Min Deng, Biqing Li

et al.

Bioresource Technology, Journal Year: 2023, Volume and Issue: 378, P. 128994 - 128994

Published: April 1, 2023

Language: Английский

Citations

11
Microplastics shaped performance, microbial ecology and community assembly in simultaneous nitrification, denitrification and phosphorus removal process DOI
Tong Wu, Jie Ding, Yingjun Zhao

et al.

The Science of The Total Environment, Journal Year: 2024, Volume and Issue: 929, P. 172651 - 172651

Published: April 22, 2024

Language: Английский

Citations

4
Nanoplastics occurrence, detection methods, and impact on the nitrogen cycle: a review DOI

Yunpeng Xue,

Kang Song, Zezheng Wang

et al.

Environmental Chemistry Letters, Journal Year: 2024, Volume and Issue: 22(5), P. 2241 - 2255

Published: June 26, 2024

Language: Английский

Citations

4
Microbial Iron Utilization Pathways in Constructed Wetlands: Analysis of Substrates Affecting Iron Transformation, Absorption, and Utilization DOI

Xinyue Zhao,

Yibo Shi, Lan Yang

et al.

ACS ES&T Engineering, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 14, 2025

Iron materials are known to enhance the nitrogen removal efficiency in constructed wetlands (CWs) by coupling iron transformation with removal. However, current research lacks detailed explanations of microbial processes involved utilizing substrates, such as transformation, cellular uptake, and metabolism, leaving a gap understanding these connections. This study addresses this constructing four microcosm CW systems using Fe–C, various ratios pyrite, zerovalent (ZVI) substrates. Experimental results indicated that was most thermodynamically favorable pyrite. Microbial communities on pyrite: gravel 2:1 volume ratio (2P1G) exhibited greater propensity for Feammox, 0.76% increase functional network Feammox 31.20% abundance nirA gene associated process compared Fe–C group. Conversely, group less favorable. To maintain intracellular homeostasis, microorganisms increased siderophore activity. The abundances related release absorption were 22.12% 17.26% increased, respectively, 2P1G. employs indicators elucidate link between transport providing insights improving CWs.

Language: Английский

Citations

0