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Traceability of direct and leakage discharge of domestic sewage based on SDBS and DOM
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Xin QI1, Liu ZHANG2, *, Jing-wei FENG1, Hao YIN3, Lan-hua LIU4, Yang FEI1
China Environmental Science | 2025, 45(2) : 748 - 758
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China Environmental Science | 2025, 45(2): 748-758
• Water Pollution Control •
Traceability of direct and leakage discharge of domestic sewage based on SDBS and DOM
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Xin QI1, Liu ZHANG2, *, Jing-wei FENG1, Hao YIN3, Lan-hua LIU4, Yang FEI1
Affiliations
  • 1.Department of Municipal Engineering, Hefei University of Technology, Hefei 230009, China
  • 2.Anhui Academy of Ecological Environment Sciences, Hefei 230031, China
  • 3.School of Earth and Space Sciences, University of Science and Technology of China, Hefei 230026, China
  • 4.Analysis and Testing Center, Hefei University of Technology, Hefei 230009, China
Published: 2025-02-20
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In this study, the pollution of direct and leakage in Shiwuli River was analyzed by combining anionic surfactant sodium dodecyl benzene sulfonate (SDBS) and dissolved organic matter (DOM) traceability methods, and the correlation and difference of each index were studied by Pearson correlation analysis method. The results showed that the content of SDBS in untreated domestic sewage was high (522~668µg/L), which was easily affected by industrial washing wastewater when characterizing the pollution situation. DOM is characterized by high percentage of CHOS compounds (83%~84%), protein + lipid components (80%~81%), high hydrogen-carbon ratio (H/C=1.6) and low-carbon nominal oxidation state (NOSC=-1) in untreated domestic sewage. Combining the advantages of SDBS and DOM traceability can effectively eliminate interference factors and make the characterization of river domestic sewage pollution more reliable. This study can provide new ideas and technical support for the analysis and traceability of the direct and leakage of domestic sewage pollution in rivers.

domestic sewage  /  SDBS  /  DOM  /  source tracing
Xin QI, Liu ZHANG, Jing-wei FENG, Hao YIN, Lan-hua LIU, Yang FEI. Traceability of direct and leakage discharge of domestic sewage based on SDBS and DOM[J]. China Environmental Science, 2025 , 45 (2) : 748 -758 .
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Article Info
  • Receive Date：2024-07-11
  • Online Date：2026-03-17
  • Published：2025-02-20
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  • Received：2024-07-11
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Affiliations
    1.Department of Municipal Engineering, Hefei University of Technology, Hefei 230009, China
    2.Anhui Academy of Ecological Environment Sciences, Hefei 230031, China
    3.School of Earth and Space Sciences, University of Science and Technology of China, Hefei 230026, China
    4.Analysis and Testing Center, Hefei University of Technology, Hefei 230009, China
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表12种不同金属材料的力学参数
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Family		 属数
Number of
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Number of
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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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