Study on VOCs emission characteristic of a petrochemical enterprise in Tianjin Lingang
GUO Feng-yan1, LIU Xin-yu2, CHENG Xiao-juan1, YANG Wen3, WANG Xiu-yan1
1. College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China;
2. College of Optical Science and Engineering, Zhejiang University, Hangzhou 310027, China;
3. Chinese Research Academy of Environmental Sciences, Beijing 100012, China
In order to quantify the influences of volatile organic compounds (VOCs) emission from various sectors in petrochemical industry, an investigation of VOC emission characteristics was carried out in a petrochemical enterprise BS. The emitted VOC components and their corresponding concentrations were qualitatively and quantitatively analyzed in the organized and fugitive emission sources, factory boundary, as well as the sensitive sampling points. The emission characteristic and emission list were obtained at each sector of the enterprise. The results showed that a total of 25 substances were detected in the organized emission sources, production area, storage area and catchment pool, which were mainly alkanes, alkenes and alcohols. The featured pollutants were N-decane, N-nonane, N-octane isomers, N-heptane isomers, methanol and propane. Their emission were 8.70, 268.43, 120.04 and 0.0003 t, respectively. In terms of product output, their VOCs emission factors were 0.3631, 0.1624, 0.0118, and 4.06×10-7kg/t, respectively. Correlation analysis indicated that the concentration level of setting area was significantly correlated to the level of the factory boundary (p < 0.01), and the concentration level of sensitive point was highly correlated with the level of the storage area, which showed that fugitive emissions has significant impact on the environment.
郭凤艳, 刘芯雨, 程晓娟, 杨文, 王秀艳. 天津临港某石化企业VOCs排放特征研究[J]. 中国环境科学, 2017, 37(6): 2072-2079.
GUO Feng-yan, LIU Xin-yu, CHENG Xiao-juan, YANG Wen, WANG Xiu-yan. Study on VOCs emission characteristic of a petrochemical enterprise in Tianjin Lingang. CHINA ENVIRONMENTAL SCIENCECE, 2017, 37(6): 2072-2079.
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