ESTABLISHMENT AND CHARACTERISTIC ANALYSIS ON FINE PARTICULATE MATTER SOURCE PROFILE OF OPEN-SOURCES IN WUHAN

YANG Zhi-hua; ZHANG Rui; LIU Qiong-yu; TAO Yuan; JIANG Jun-ting; TAN Jing; CHENG Jin-jun; YE Xun

doi:10.13205/j.hjgc.202105011

Volume 39 Issue 5

Jan. 2022

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YANG Zhi-hua, ZHANG Rui, LIU Qiong-yu, TAO Yuan, JIANG Jun-ting, TAN Jing, CHENG Jin-jun, YE Xun. ESTABLISHMENT AND CHARACTERISTIC ANALYSIS ON FINE PARTICULATE MATTER SOURCE PROFILE OF OPEN-SOURCES IN WUHAN[J]. ENVIRONMENTAL ENGINEERING , 2021, 39(5): 80-88. doi: 10.13205/j.hjgc.202105011

Citation:

YANG Zhi-hua, ZHANG Rui, LIU Qiong-yu, TAO Yuan, JIANG Jun-ting, TAN Jing, CHENG Jin-jun, YE Xun. ESTABLISHMENT AND CHARACTERISTIC ANALYSIS ON FINE PARTICULATE MATTER SOURCE PROFILE OF OPEN-SOURCES IN WUHAN[J]. ENVIRONMENTAL ENGINEERING , 2021, 39(5): 80-88. doi: 10.13205/j.hjgc.202105011

Citation:

YANG Zhi-hua, ZHANG Rui, LIU Qiong-yu, TAO Yuan, JIANG Jun-ting, TAN Jing, CHENG Jin-jun, YE Xun. ESTABLISHMENT AND CHARACTERISTIC ANALYSIS ON FINE PARTICULATE MATTER SOURCE PROFILE OF OPEN-SOURCES IN WUHAN[J]. ENVIRONMENTAL ENGINEERING , 2021, 39(5): 80-88. doi: 10.13205/j.hjgc.202105011

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ESTABLISHMENT AND CHARACTERISTIC ANALYSIS ON FINE PARTICULATE MATTER SOURCE PROFILE OF OPEN-SOURCES IN WUHAN

doi: 10.13205/j.hjgc.202105011

1. Hubei Key Laboratory of Industrial Fume and Dust Pollution Control, Jianghan University, Wuhan 430056, China;
2. Suichang Branch of Ecological and Environmental Bureau of Lishui City, Suichang 323300, China;
3. Hubei Jiutai Safety and Environmental Protection Technology Ltd, Shiyan 442000, China

Received Date: 2020-04-20
Available Online: 2022-01-17

Abstract

Abstract

Fine particulate matter (PM_2.5) samples from four kinds of open-sources (soil dust, construction dust, road dust and yard dust) in Wuhan were obtained by re-suspension sampling method, then the content of inorganic elements, water-soluble ions and carbon fractions of samples were analyzed. On this basis, the source profiles of PM_2.5 for four kinds of open-sources in Wuhan were established. The results showed that crustal elements were the primary components in PM_2.5 source profiles of open-sources and accounted for 62.69%~80.14% of the total chemical compositions, which was obviously a natural background feature. The results revealed that Si and Al were the relatively high constituents in soil dust, and the contents of Ca and OC in PM_2.5 of construction dust were significantly higher than other three kinds of sources. Ca, Si and OC were the main composition in PM_2.5 of road dust, and the main composition in PM_2.5 of yard dust were Si and Ca. Ca, Cu and Zn were strongly enriched in construction dust, road dust and yard dust, respectively, and each of the enrichment facts(EF) was all greater than 20, which suggested that the influence of man-made sources was significant. OC was the dominating part of carbon fractions of source profiles, and all the values of OC/EC were greater than 2, indicating that open-sources had a certain influence on the formation of secondary aerosols. The divergence coefficient among four kinds of source profiles was between 0.29 and 0.47, and the correlation coefficient was between 0.19 and 0.97. The similarity between soil dust and the other three kinds of source profiles was not high. Relatively high similarity were observed among yard dust, construction dust and road dust, and these three kinds of sources had extremely strong collinearity. The establishment of refined PM_2.5 source profiles of open-source in Wuhan could provide scientific support for PM_2.5 source apportionment, and also provide important references for the prevention and control of open-sources in Wuhan.
- open-source,
- PM_2.5,
- source profile,
- indicative element,
- Wuhan

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References(42)

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