Abstract
Volatile organic compounds (VOCs) constitute a significant component of atmospheric pollution, and accurate identification of their emission sources is crucial for formulating effective prevention and control strategies. This study integrated spectral technology with pollution rose diagrams to examine VOC emission patterns in complex environments such as industrial parks. Through a month-long field study at a cigarette factory, real-time concentration data for eight major VOCs were collected along with meteorological data. Pollution rose diagrams were utilized to illustrate the distribution of pollutant concentrations in different directions, aiding in the identification of potential VOC sources. These findings indicate that certain VOCs originate from specific production processes within factories, whereas others are linked to external emission sources. This methodology offers a more comprehensive understanding of VOC emissions than traditional point monitoring and facilitates precise source identification and pollution management strategies. Future studies could enhance the Open-Path Fourier Transform Infrared (OP-FTIR) setup and incorporate multiple open paths to improve the accuracy of VOC management decisions.
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