A review of application of compound-specific isotope analysis in pollutant source apportionment

LIU Tong; KE Ying; FENG Li; WANG Zixu; YU Miaomiao; LU Xueqiang

doi:10.13205/j.hjgc.202507016

Volume 43 Issue 7

Jul. 2025

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Article Navigation > ENVIRONMENTAL ENGINEERING > 2025 > 43(7): 145-158

LIU Tong, KE Ying, FENG Li, WANG Zixu, YU Miaomiao, LU Xueqiang. A review of application of compound-specific isotope analysis in pollutant source apportionment[J]. ENVIRONMENTAL ENGINEERING , 2025, 43(7): 145-158. doi: 10.13205/j.hjgc.202507016

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LIU Tong, KE Ying, FENG Li, WANG Zixu, YU Miaomiao, LU Xueqiang. A review of application of compound-specific isotope analysis in pollutant source apportionment[J]. ENVIRONMENTAL ENGINEERING , 2025, 43(7): 145-158. doi: 10.13205/j.hjgc.202507016

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A review of application of compound-specific isotope analysis in pollutant source apportionment

doi: 10.13205/j.hjgc.202507016

LIU Tong^1,2,3,
KE Ying^1,2,3,
FENG Li^1,2,3,
WANG Zixu^1,2,3,
YU Miaomiao^1,2,3,
LU Xueqiang^{1,2,3
,
,}

1. College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China;
2. Tianjin Key Laboratory of Environmental Technology for Complex Trans-Media Pollution, Tianjin 300350, China;
3. Tianjin International Joint Research Center for Environmental Biogeochemical Technology, Tianjin 300350, China

Received Date: 2024-10-01
Accepted Date: 2025-01-17
Rev Recd Date: 2024-12-24

Available Online: 2025-09-11

Abstract

Abstract

This paper provides a comprehensive review of the applications， effectiveness， and challenges of compound-specific isotope analysis （CSIA） technology in pollutant source apportionment. CSIA technology can accurately determine the stable isotope ratios in individual organic pollutants， offering a powerful tool for the precise identification of pollution sources. Using the Web of Science Core Collection as the data source， this paper systematically collates and deeply analyzes articles published between 2000 and 2023 on CSIA technology. Through detailed comparisons of the elements used in CSIA technology for identifying the sources of various organic pollutants， as well as the environmental matrices covered in the research， it has been found that carbon plays a central role in current studies. Among various environmental matrices， research on the source apportionment of water pollutants using CSIA technology is the most prevalent. This paper not only outlines the detection methodology and source apportionment models of CSIA but also delves into the current application status of this technology. However， in practice， CSIA still faces challenges such as complex sample processing procedures and difficulties in analyzing non-point source pollution. To address these challenges， this paper proposes several improvement measures， including optimizing sample processing steps， introducing multi-isotope joint analysis， and establishing a comprehensive isotope database for pollution sources， to enhance the accuracy and reliability of CSIA technology. In summary， CSIA technology plays a pivotal role in pollutant source apportionment. It not only provides a scientific basis for decision-making in pollution control but also effectively promotes the development of pollution control strategies towards a more refined and precise direction.
- source apportionment,
- compound-specific isotope analysis,
- isotope ratio,
- pollutant treatment

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References(129)

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