J4 ›› 2010, Vol. 40 ›› Issue (6): 1429-1434.

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Characteristics of Mineral Assemblages of Atmospheric Fine Dust of Zibo City and Its Environment Implications

WANG Yong-zai1, YAO De2, LI Gong-sheng2, WANG Zhi-guo1   

  1. 1.Center of Analysis and Testing| Shandong University of Technology, Zibo, Shandong 255049, China;
    2.Institute of Environmental Science, Shandong University of Technology, Zibo, Shandong 255049, China
  • Received:2010-03-16 Online:2010-11-26 Published:2010-11-26

Abstract:

Mineral components of atmospheric fine dust of Zibo City have been investigated using XRD technique qualitatively and semi-quantitatively. The results showed that the mineral assemblages of the dusts keep stable.Quartz, albite and clay minerals, which originated from geological sources, amounted to 59.1%-95.1% weight percent in the dust. Gypsum and calcite dust in the atmospheric chemical reactions related, amounted to 36.3%-1.0% weight percent in the dust, indicating the air pollution of SO2 changed with time. The weight percent of hematite in the dust varies least. Meteorologic character may be the main reason for the different contents of gypsum in the dust. The present study shows that the mineral assemblages and gypsum content in atmospheric fine dust could be used to monitor acidic air pollution intensity.

Key words: Zibo City, atmospheric fine dust, mineral assemblages, atmospherics, environment

CLC Number: 

  • P575
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