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学者姓名：邹如森
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Abstract ：
Calcium peroxide (CaO2) has been increasingly used as a disinfectant. However, the effects of ferrous ions on CaO2 activation and the corresponding removal of typical fecal contamination indicators (e.g. Escherichia coli) and the associated ARGs in the aquaculture pond remain unknown. To address this question, the application of Fe2 +/CaO2 in degrading the typical aquaculture antibiotic tetracycline (TC), inactivating the fecal contamination indicator E. coli K12 and removing its intracellular ARGs (iARGs) and extracellular ARGs (eARGs) was investigated. The results demonstrated that TC and E. coli K12 could be completely removed at a Fe2+ to CaO2 molar ratio of 2. Electron paramagnetic resonance (EPR) and scavenging tests indicated the presence of center dot OH, center dot O2- and 1O2, with center dot OH and 1O2 likely being the dominant active species responsible for this process. The firstorder inactivation rate constant of E. coli K12 in Fe2+/CaO2 treatment was significantly higher than in CaO2 treatment. Furthermore, copper ions can promote the inactivation of pathogens, while humic acid and certain anions (e.g. Cl-) negatively affect the inactivation of E. coli K12 by Fe2+/CaO2. We further found that Fe2+/CaO2 could efficiently remove iARGs and reduce the accumulation of eARGs, outperforming common disinfection technologies in the removal of TC, E. coli K12, as well as iARGs and eARGs in real aquaculture surface water. These results highlight that Fe2+/CaO2 with lower treatment costs excels in the simultaneous control of antibiotics, fecal indicators, and ARGs in aquaculture ponds in neutral pH aquaculture water, ensuring safety and efficiency.
Keyword ：
Antibiotic resistance gene Antibiotic resistance gene Aquaculture water Aquaculture water Calcium peroxide Calcium peroxide Fecal contamination indicator Fecal contamination indicator
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| GB/T 7714 | Li, Hua , Wang, Xiaogang , Xu, Jiale et al. Activation of calcium peroxide with ferrous ions to inactivate fecal contamination indicator and the associated antibiotic resistance genes in aquaculture water: Performance and mechanisms [J]. | JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING , 2025 , 13 (2) . |
| MLA | Li, Hua et al. "Activation of calcium peroxide with ferrous ions to inactivate fecal contamination indicator and the associated antibiotic resistance genes in aquaculture water: Performance and mechanisms" . | JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING 13 . 2 (2025) . |
| APA | Li, Hua , Wang, Xiaogang , Xu, Jiale , Cao, Haipeng , Zou, Rusen , Li, Tao . Activation of calcium peroxide with ferrous ions to inactivate fecal contamination indicator and the associated antibiotic resistance genes in aquaculture water: Performance and mechanisms . | JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING , 2025 , 13 (2) . |
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Given the widespread occurrence of pandemic influenza, antiviral drugs (ATVs) as emerging pollutants which are ubiquitously present in wastewater and become concentrated in sewage sludge (SS). Therefore, achieving the simultaneous elimination of ATVs during sludge dewatering holds significant importance. Herein, six representative ATVs including amantadine, rimantadine, memantine hydrochloride, imiquimod, oseltamivir, and morpholidine were detected in sewage sludge. Their partitioning between solid and liquid phases was also examined under simultaneous sludge conditioning by particle electrodes-assisted electrochemical process (3D-SAC). The findings indicated that 3D-SAC significantly enhanced sludge dewaterability, achieving a moisture content reduction to 64.22 %. The total removal rates of the six ATVs ranged from 17.97 % to 66.22 %, closely associated with the degree of sludge cells cracking. Sludge lysis resulted in the destruction of protein-like EPS structures, exposing hydrophobic bonding sites, finally releasing more bonded water and ATVs into filtrate. The ·OH induced hydroxylation, backbone cleavage, and ring-opening of ATVs occurred concurrently as the sludge flocs disrupted and structural transformed. Environmental risk assessment revealed that the ecological risks and potential toxicity associated with the sludge filtrate were significantly diminished following electrochemical conditioning (EC). This process achieved the dual objectives of contaminant degradation and enhanced sludge dewatering. © 2024 Elsevier Ltd
Keyword ：
Amantadine Amantadine Antiviral drugs Antiviral drugs Particle electrode Particle electrode Sludge dewatering Sludge dewatering Three-dimensional electrochemical conditioning Three-dimensional electrochemical conditioning
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| GB/T 7714 | Yu, H. , He, Y. , Tao, H. et al. Insight into simultaneously sludge dewatering and antiviral drugs removal by integrated particle electrodes assisted electrochemical oxidation [J]. | Journal of Environmental Chemical Engineering , 2024 , 12 (5) . |
| MLA | Yu, H. et al. "Insight into simultaneously sludge dewatering and antiviral drugs removal by integrated particle electrodes assisted electrochemical oxidation" . | Journal of Environmental Chemical Engineering 12 . 5 (2024) . |
| APA | Yu, H. , He, Y. , Tao, H. , Yuan, H. , Wu, F. , Zou, R. et al. Insight into simultaneously sludge dewatering and antiviral drugs removal by integrated particle electrodes assisted electrochemical oxidation . | Journal of Environmental Chemical Engineering , 2024 , 12 (5) . |
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Abstract ：
再生水生态利用可缓解水资源短缺和改善城市水生态环境.但是,目前还存在再生水的生态效应不清楚,相关水质指标体系和阈值确定方法不完善,深度处理工艺和生态缓冲区构建待优化,经济成本、节能降碳和环境效益缺乏统筹等关键问题.因此,亟需建立快速评价水质生态安全的有效技术与方法,厘清再生水的生态效应,完善再生水水质标准的指标体系,建立体现环境特质的再生水水质安全阈值确定方法,开发新污染物和病原微生物等关键风险因子的绿色去除技术,明晰生态缓冲区构建原理和水质净化融合机制,建立再生水生态利用综合环境效益评价方法和再生水生态利用方案优化方法.
Keyword ：
再生水 再生水 安全保障 安全保障 生态利用 生态利用 生态效应 生态效应 风险因子 风险因子
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| GB/T 7714 | 胡洪营 , 陆韻 , 魏东斌 et al. 再生水生态利用安全保障需求与发展策略 [J]. | 环境工程 , 2024 , 42 (10) : 1-10 . |
| MLA | 胡洪营 et al. "再生水生态利用安全保障需求与发展策略" . | 环境工程 42 . 10 (2024) : 1-10 . |
| APA | 胡洪营 , 陆韻 , 魏东斌 , 陈卓 , 巫寅虎 , 吴乾元 et al. 再生水生态利用安全保障需求与发展策略 . | 环境工程 , 2024 , 42 (10) , 1-10 . |
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Abstract ：
Given the widespread occurrence of pandemic influenza, antiviral drugs (ATVs) as emerging pollutants which are ubiquitously present in wastewater and become concentrated in sewage sludge (SS). Therefore, achieving the simultaneous elimination of ATVs during sludge dewatering holds significant importance. Herein, six representative ATVs including amantadine, rimantadine, memantine hydrochloride, imiquimod, oseltamivir, and morpholidine were detected in sewage sludge. Their partitioning between solid and liquid phases was also examined under simultaneous sludge conditioning by particle electrodes-assisted electrochemical process (3DSAC). The findings indicated that 3D-SAC significantly enhanced sludge dewaterability, achieving a moisture content reduction to 64.22 %. The total removal rates of the six ATVs ranged from 17.97 % to 66.22 %, closely associated with the degree of sludge cells cracking. Sludge lysis resulted in the destruction of protein-like EPS structures, exposing hydrophobic bonding sites, finally releasing more bonded water and ATVs into filtrate. The center dot OH induced hydroxylation, backbone cleavage, and ring-opening of ATVs occurred concurrently as the sludge flocs disrupted and structural transformed. Environmental risk assessment revealed that the ecological risks and potential toxicity associated with the sludge filtrate were significantly diminished following electrochemical conditioning (EC). This process achieved the dual objectives of contaminant degradation and enhanced sludge dewatering.
Keyword ：
Amantadine Amantadine Antiviral drugs Antiviral drugs conditioning conditioning Particle electrode Particle electrode Sludge dewatering Sludge dewatering Three-dimensional electrochemical Three-dimensional electrochemical
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| GB/T 7714 | Yu, Haixiang , He, Yiyang , Tao, Hong et al. Insight into simultaneously sludge dewatering and antiviral drugs removal by integrated particle electrodes assisted electrochemical oxidation [J]. | JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING , 2024 , 12 (5) . |
| MLA | Yu, Haixiang et al. "Insight into simultaneously sludge dewatering and antiviral drugs removal by integrated particle electrodes assisted electrochemical oxidation" . | JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING 12 . 5 (2024) . |
| APA | Yu, Haixiang , He, Yiyang , Tao, Hong , Yuan, Haiping , Wu, Feiyan , Zou, Rusen et al. Insight into simultaneously sludge dewatering and antiviral drugs removal by integrated particle electrodes assisted electrochemical oxidation . | JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING , 2024 , 12 (5) . |
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Pollution from extensive sulfonamide antibiotic use is a critical research focus, particularly in the remediation of these antibiotics using composite materials. This study employed a CuFe2O4/ZIF-8 composite to activate sodium percarbonate (SPC) for the photo-Fenton-like degradation of the sulfonamide antibiotic sulfamethoxazole (SMX). The optimal conditions for SMX degradation were determined using the CuFe2O4/ZIF-8/SPC/Vis system: a ZIF-8 composite ratio of 40 %, catalyst dosage of 0.15 g/L, SPC concentration of 0.8 mM, and initial pH of 3.0, achieving complete SMX removal within 30 min. After five cycle tests, the leaching rates of copper and iron ions were 0.179 mg/L and 0.376 mg/L, respectively, significantly lower compared to the use of CuFe2O4 alone as the catalyst (Cu: 0.46 mg/L, Fe: 1.43 mg/L). The radicals present in the system were identified, with their contribution rates ranked from highest to lowest as follows: OH > h(+)> O-2(-) > CO3(-) > O-1(2). Further mechanistic investigations revealed that the heterogeneous structures in CuFe2O4/ZIF-8 enhanced the efficiency of the photo-Fenton-like reaction by facilitating electron transfer. This study introduced an innovative approach for antibiotic treatment using the CuFe2O4/ZIF-8 composite under visible light irradiation and broadened the technical framework of SPC-based advanced oxidation processes (AOPs) for treating wastewater.
Keyword ：
CuFe2O4/ZIF-8 CuFe2O4/ZIF-8 Heterogeneous photo-Fenton-like Heterogeneous photo-Fenton-like Magnetic recovery Magnetic recovery Sodium percarbonate Sodium percarbonate Sulfonamide antibiotics Sulfonamide antibiotics
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| GB/T 7714 | Xu, Junge , Yu, Weihao , Zhang, Ziwei et al. Rhombic dodecahedral ZIF-8-supported CuFe2O4 triggers sodium percarbonate activation for enhanced sulfonamide antibiotics degradation: Synergistic roles of heterostructure and photocatalytic mechanisms [J]. | CHEMICAL ENGINEERING JOURNAL , 2024 , 501 . |
| MLA | Xu, Junge et al. "Rhombic dodecahedral ZIF-8-supported CuFe2O4 triggers sodium percarbonate activation for enhanced sulfonamide antibiotics degradation: Synergistic roles of heterostructure and photocatalytic mechanisms" . | CHEMICAL ENGINEERING JOURNAL 501 (2024) . |
| APA | Xu, Junge , Yu, Weihao , Zhang, Ziwei , Deng, Fubin , Wang, Shengkong , Zou, Rusen et al. Rhombic dodecahedral ZIF-8-supported CuFe2O4 triggers sodium percarbonate activation for enhanced sulfonamide antibiotics degradation: Synergistic roles of heterostructure and photocatalytic mechanisms . | CHEMICAL ENGINEERING JOURNAL , 2024 , 501 . |
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