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学者姓名：金菊香
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Abstract ：
水环境容量的计算和分配是河流水环境综合整治和污染物减排的重要技术支持.清潩河水质的日趋恶化阻碍了清潩河流域社会经济和环境的可持续发展.该文以点源为重点考虑对象,在分析清潩河水体污染状况的基础上,采用解析公式法,计算了清潩河CODMn和氨氮的水环境容量.结果表明,工业点源和城镇生活源是导致清潩河水质恶化的主要污染源.基于现状排污数据和模型计算结果,给出了 9个点源的水环境容量分配结果,建议清潩河水环境综合整治中加强长葛市控制区的污染整治,特别是生活污水的管控和处理.
Keyword ：
容量分配 容量分配 水污染溯源 水污染溯源 水环境容量 水环境容量 清潩河 清潩河
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| GB/T 7714 | 金菊香 , 李小宝 . 清潩河许昌段污染溯源分析与水环境容量研究 [J]. | 能源与环境 , 2025 , (1) : 25-29,42 . |
| MLA | 金菊香 等. "清潩河许昌段污染溯源分析与水环境容量研究" . | 能源与环境 1 (2025) : 25-29,42 . |
| APA | 金菊香 , 李小宝 . 清潩河许昌段污染溯源分析与水环境容量研究 . | 能源与环境 , 2025 , (1) , 25-29,42 . |
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Abstract ：
Landfill leachate contains high concentrations of hazardous pollutants that require effective treatment before discharge. Membrane distillation (MD) has emerged as a promising approach for leachate treatment, but membrane fouling remains a major challenge for its practical application. This study introduces an innovative in situ catalytic MD membrane to improve antifouling performance. The MnO2-doped polyvinylidene fluoride (M-PVDF) membrane was prepared via electrospinning, incorporating an optimized amount of MnO2 and fluoroalkyl modifier. The M-PVDF membrane demonstrated excellent retention of landfill leachate pollutants across all test cycles, achieving retention rates above 99.23% for non-ammonia foulants. No membrane wetting was observed in M-PVDF during the cyclic tests, whereas conventional PVDF membranes exhibited wetting in the third cycle. The fouled M-PVDF membrane was effectively restored after cleaning with H2O2, regaining its original flux and demonstrating robust self-cleaning capabilities. This performance is attributed to the synergistic effects of micro-nano bubbles and MnO2-catalyzed H2O2 free radicals. The proposed in situ catalytic self-cleaning strategy significantly enhances the antifouling properties of MD, providing a sustainable solution for high-salinity wastewater treatment.
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| GB/T 7714 | Yan, Zhongsen , Tang, Zihan , Wang, Yongyuan et al. In situ catalytic membrane technology for antifouling and sustainable landfill leachate management [J]. | ENVIRONMENTAL SCIENCE-WATER RESEARCH & TECHNOLOGY , 2025 , 11 (5) : 1313-1324 . |
| MLA | Yan, Zhongsen et al. "In situ catalytic membrane technology for antifouling and sustainable landfill leachate management" . | ENVIRONMENTAL SCIENCE-WATER RESEARCH & TECHNOLOGY 11 . 5 (2025) : 1313-1324 . |
| APA | Yan, Zhongsen , Tang, Zihan , Wang, Yongyuan , Jiang, Yuling , Chang, Haiqing , Jin, Juxiang et al. In situ catalytic membrane technology for antifouling and sustainable landfill leachate management . | ENVIRONMENTAL SCIENCE-WATER RESEARCH & TECHNOLOGY , 2025 , 11 (5) , 1313-1324 . |
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Humic acid (HA), a widely prevalent natural organic matter in aquatic environments, poses serious health risks due to its potential to form carcinogenic by-products during water treatment. While the photo-Fenton process can be employed for HA degradation, its effectiveness is often hindered by the poor catalytic performance of conventional catalysts. In this study, Co3O4 was modified with nitrogen-doped carbon quantum dots (NCDs) and immobilized on a PVDF membrane. Compared with Co3O4/PVDF, Co3O4/NCDs/PVDF system achieved 85.1 % HA removal and 66 % mineralization within 60 min through photocatalytic peroxymonosulfate (PMS) activation as well as showed excellent stability in cycle experiments. The incorporation of NCDs enhanced the synergistic effect between light and PMS, improved light absorption due to the narrowed bandgap of Co3O4/NCDs/PVDF, and played a significant role in generating the primary reactive species, 1O2. Additionally, Co3O4/NCDs/PVDF effectively controlled Co ions leaching. Finally, the degradation intermediates were identified, and the degradation pathways were proposed. The photo-Fenton degradation of HA preferentially broke unsaturated bonds and degraded aromatic ring compounds. The Co3O4/NCDs/PVDF photo-Fenton catalytic system serves as an effective approach for boosting the efficiency of photo-Fenton degradation.
Keyword ：
Carbon quantum dots Carbon quantum dots Humic acid Humic acid Peroxymonosulfate activation Peroxymonosulfate activation Photocatalysis Photocatalysis
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| GB/T 7714 | Yan, Zhongsen , Li, Binbin , Liu, Guohui et al. Enhanced degradation of humic acid by Co3O4/NCDs/PVDF photo-Fenton catalytic system [J]. | PROCESS SAFETY AND ENVIRONMENTAL PROTECTION , 2025 , 198 . |
| MLA | Yan, Zhongsen et al. "Enhanced degradation of humic acid by Co3O4/NCDs/PVDF photo-Fenton catalytic system" . | PROCESS SAFETY AND ENVIRONMENTAL PROTECTION 198 (2025) . |
| APA | Yan, Zhongsen , Li, Binbin , Liu, Guohui , Lu, Zhenyu , Chang, Haiqing , Jin, Juxiang et al. Enhanced degradation of humic acid by Co3O4/NCDs/PVDF photo-Fenton catalytic system . | PROCESS SAFETY AND ENVIRONMENTAL PROTECTION , 2025 , 198 . |
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