CHARACTERISTICS AND SOURCE ANALYSIS OF WATER-SOLUBLE ION POLLUTION IN ATMOSPHERIC DUSTFALL IN WUHAN UNIVERSITIES

ZHONG Ping; WANG Ang-lu; ZHANG Hui-di; GONG Xiang-yi; ZHANG Jia-quan; ZHANG Xi-hao; HU Hong-yuan; TIAN Qian

doi:10.13205/j.hjgc.202102015

Volume 39 Issue 2

Jul. 2021

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Article Navigation > ENVIRONMENTAL ENGINEERING > 2021 > 39(2): 98-104

ZHONG Ping, WANG Ang-lu, ZHANG Hui-di, GONG Xiang-yi, ZHANG Jia-quan, ZHANG Xi-hao, HU Hong-yuan, TIAN Qian. CHARACTERISTICS AND SOURCE ANALYSIS OF WATER-SOLUBLE ION POLLUTION IN ATMOSPHERIC DUSTFALL IN WUHAN UNIVERSITIES[J]. ENVIRONMENTAL ENGINEERING , 2021, 39(2): 98-104. doi: 10.13205/j.hjgc.202102015

Citation:

ZHONG Ping, WANG Ang-lu, ZHANG Hui-di, GONG Xiang-yi, ZHANG Jia-quan, ZHANG Xi-hao, HU Hong-yuan, TIAN Qian. CHARACTERISTICS AND SOURCE ANALYSIS OF WATER-SOLUBLE ION POLLUTION IN ATMOSPHERIC DUSTFALL IN WUHAN UNIVERSITIES[J]. ENVIRONMENTAL ENGINEERING , 2021, 39(2): 98-104. doi: 10.13205/j.hjgc.202102015

Citation:

ZHONG Ping, WANG Ang-lu, ZHANG Hui-di, GONG Xiang-yi, ZHANG Jia-quan, ZHANG Xi-hao, HU Hong-yuan, TIAN Qian. CHARACTERISTICS AND SOURCE ANALYSIS OF WATER-SOLUBLE ION POLLUTION IN ATMOSPHERIC DUSTFALL IN WUHAN UNIVERSITIES[J]. ENVIRONMENTAL ENGINEERING , 2021, 39(2): 98-104. doi: 10.13205/j.hjgc.202102015

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CHARACTERISTICS AND SOURCE ANALYSIS OF WATER-SOLUBLE ION POLLUTION IN ATMOSPHERIC DUSTFALL IN WUHAN UNIVERSITIES

doi: 10.13205/j.hjgc.202102015

ZHONG Ping^1,2,3,4,
WANG Ang-lu^2,3,
ZHANG Hui-di^2,3,
GONG Xiang-yi^{1,4
,},
ZHANG Jia-quan^{2,3
,},
ZHANG Xi-hao^1,2,3,4,
HU Hong-yuan^1,4,
TIAN Qian⁵

1. College of Resources and Environmental Engineering, Wuhan University of Science and Technology, Wuhan 430081, China;
2. School of Environmental Science and Engineering, Hubei Polytechnic University, Huangshi 435003, China;
3. Hubei Key Laboratory of Mine Environmental Pollution Control and Remediation, Huangshi 435003, China;
4. Industrial Safety Engineering Technology Research Center of Hubei Province, Wuhan 430081, China;
5. School of Environmental Studies, China University of Geosciences, Wuhan 430074, China

Received Date: 2020-04-23
Available Online: 2021-07-19

Abstract

Abstract

There were 106 dustfall samples collected from Wuhan universities during November 2017. Nine types of water-soluble ions (F^-, Cl^-, NO₃^-, SO₄^2-, Na⁺, NH₄⁺, K⁺, Mg²⁺, Ca²⁺) were analyzed by ion chromatography. Correlation analysis and ratio analysis were used to analyze the pollution characteristics, and the PCA-MLR model was used to discuss its source and contribution rate. The results showed that the main water-soluble ions in dust reduction in Wuhan universities were Ca²⁺, SO₄^2- and NO₃^-, and the average concentration order was Ca²⁺>SO₄^2->NO₃^->K⁺>Na⁺>Cl^->Mg²⁺>NH₄⁺>F^-. There were obvious spatial qualitative differences in the distribution of F^-, Cl^-, NO₃^-, SO₄^2-, Na⁺, K⁺, Mg²⁺ and Ca²⁺. The mass ratio of NO₃^-/SO₄^2- was 0.28, which was dominated by fixed-source pollution; the dust-reducing samples were generally alkaline. Nine types of soluble ions existed mainly in forms of NaCl, KCl, MgCl₂, Mg (NO₃)₂, MgSO₄, Ca(NO₃)₂, CaSO₄, etc., mainly from soil/transport mixed sources, combustion sources, industrial source, and their contribution rates were 8%, 12% and 80%, respectively.
- universities,
- dustfall,
- water-soluble ions,
- pollution characteristics,
- sources

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References(28)

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