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Remediation of p-nitrophenol contaminated groundwater using Fe2+/O2/ligand advanced oxidation system enhanced by groundwater circulation well
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Wei ZHAO1, 2, 3, Cheng-wu ZHANG1, 2, 3, Hui ZHANG1, 2, 3, Yu YAO1, 2, 3, Si-yi XIN1, 2, 3, Chuan-yu QIN1, 2, 3, *
China Environmental Science | 2025, 45(2) : 820 - 828
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China Environmental Science | 2025, 45(2): 820-828
• Water Pollution Control •
Remediation of p-nitrophenol contaminated groundwater using Fe2+/O2/ligand advanced oxidation system enhanced by groundwater circulation well
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Wei ZHAO1, 2, 3, Cheng-wu ZHANG1, 2, 3, Hui ZHANG1, 2, 3, Yu YAO1, 2, 3, Si-yi XIN1, 2, 3, Chuan-yu QIN1, 2, 3, *
Affiliations
  • 1.Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin University, Changchun 130021, China
  • 2.National and Local Joint Engineering Laboratory for Petrochemical Contaminated Site Control and Remediation Technology, Jilin University, Changchun 130021, China
  • 3.Jilin Provincial Key Laboratory of Water Resources and Environment, Jilin University, Changchun 130021, China
Published: 2025-02-20
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In this study, GCW was coupled with the advanced oxidation system based on Fe2+ activated O2 to achieve efficient transmission and uniform distribution of chemical agents while continuously replenishment of oxygen to groundwater, so as to enhance the remediation effect of the Fe2+/O2/ligand was advanced oxidation system. The variation law of groundwater flow field and enhanced transport effect of solute under the enhancement of GCW were clarified using two-dimensional simulation tank experiment combined with visualization methods such as tracer dyeing. In addition, sodium tripolyphosphate (STPP) was selected as the ligand, and the effect of advanced oxidation system on the remediation of p-nitrophenol (PNP) polluted aquifer was investigated by injection of chemicals into the well. The results show that GCW had achieved efficient transmission of chemical agents and provided sufficient O2 for advanced oxidation reactions. Under the enhancement of GCW, PNP was degraded throughout the simulated tank, with an average degradation rate of 62% in 15h. The results provide a new insight for efficient remediation of organic contaminated groundwater.

groundwater pollution  /  groundwater circulation well  /  ferrous iron-activated oxygen  /  sodium tripolyphosphate  /  p-nitrophenol
Wei ZHAO, Cheng-wu ZHANG, Hui ZHANG, Yu YAO, Si-yi XIN, Chuan-yu QIN. Remediation of p-nitrophenol contaminated groundwater using Fe2+/O2/ligand advanced oxidation system enhanced by groundwater circulation well[J]. China Environmental Science, 2025 , 45 (2) : 820 -828 .
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Year 2025 volume 45 Issue 2
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Article Info
  • Receive Date：2024-07-28
  • Online Date：2026-03-17
  • Published：2025-02-20
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  • Received：2024-07-28
Funding
Affiliations
    1.Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin University, Changchun 130021, China
    2.National and Local Joint Engineering Laboratory for Petrochemical Contaminated Site Control and Remediation Technology, Jilin University, Changchun 130021, China
    3.Jilin Provincial Key Laboratory of Water Resources and Environment, Jilin University, Changchun 130021, China
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表12种不同金属材料的力学参数
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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