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Volume 26 - ICOP & ICPET 2020
ICOP & ICPET _ INPC _ ICOFS 2020, 26 - ICOP & ICPET 2020: 781-784 |
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Sedighi N, Haddad M A, Motahari H. The Characterization of air-full dust of Yazd city by X-Ray Diffraction (XRD): Measurement of Crystallinity and Determination of dust Composition. ICOP & ICPET _ INPC _ ICOFS 2020; 26 :781-784
URL: http://opsi.ir/article-1-2188-en.html
URL: http://opsi.ir/article-1-2188-en.html
1- Yazd University
Abstract: (1478 Views)
Falling Dust is one of the most important forms of environmental pollution. Studying their physical and chemical properties is an essential method to recognize the type of pollutants. In this research, falling dust at five locations of Yazd are sampled by Marble Dust Collectors (MDCs) and their size distributions, morphologies, and chemical compositions are studied by XRD, EDX and SEM techniques. The resulted analyses of XRD patterns show the presence of silicates, carbonates, and phosphates group minerals in samples including calcites, quartz, gypsum, magnesium carbonate, and aluminum phosphates components. Furthermore, the analysis of the size and shape of the dust by recorded SEM images indicates capsular, triangular, spherical, irregular, and polyhedral shapes of particles. The size analyses of samples lead to estimate the range of 1 to 30 microns of particles with the maximum size distributions between 2 to 7 microns.
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