ORIGINAL RESEARCH
Occurrence and Ecological Risk
of Phenolic Compounds in the Taiyuan
Section of Fen River in China
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1
Department of Biological Sciences and Technology, Jinzhong University, Jinzhong 030619, Shanxi, China
2
Department of Chemistry and Chemical Engineering, Jinzhong University, Jinzhong 030619, Shanxi, China
Submission date: 2025-01-06
Final revision date: 2025-03-07
Acceptance date: 2025-03-25
Online publication date: 2025-07-01
Corresponding author
Hongxue Qi
Department of Chemistry and Chemical Engineering, Jinzhong University, Jinzhong 030619, Shanxi, China
KEYWORDS
TOPICS
ABSTRACT
To evaluate the occurrence and ecological risk of phenolic compounds in the Taiyuan section of
Fen River, nine water samples were collected, and the concentrations of 11 phenolic compounds were
determined using gas chromatography after liquid-liquid extraction. The ecological risk was assessed
using the risk quotient method. As a result, the total concentrations of phenolic compounds in the samples
ranged from 1.17 to 14.48 μg∙L–1, with a mean concentration of 5.27±4.29 μg∙L–1. Non-chlorinated
phenolic compounds were predominant, comprising 64.3% to 95.1% of the total concentration,
with 2-nitrophenol exhibiting the highest concentration, followed by phenol. The ecological risk
assessment indicated that 2-nitrophenol and 4-chloro-3-methylphenol were the primary contributors to
ecological risks in the Fen River, while the other phenolic compounds did not pose significant ecological
threats. In conclusion, non-chlorinated phenols outnumbered chlorinated phenols, with 2-nitrophenol
and 4-chloro-3-methylphenol identified as the priority pollutants. These findings may provide
information for improved monitoring, development of pollution control strategies, and implementation
of advanced treatment technologies to mitigate the impacts of phenolic pollutants on the water quality
of the Fen River.
CONFLICT OF INTEREST
The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
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