Nashrieh Shimi va Mohandesi Shimi Iran

Nashrieh Shimi va Mohandesi Shimi Iran

Challenges in Measurement and Determination of Dust Deposition on Various Surfaces

Document Type : Research Note

Authors
Ahmad Abbasi
Amir Hossein Nikoo
Mohammad Reza Malayeri
Department of Chemical Engineering, Faculty of Petroleum and Gas Chemical Engineering, Shiraz University, Shiraz, I.R. IRAN
Abstract
Dust storms are increasingly becoming one of the worst and chronic phenomena that endanger human life and the environment. Some of the detrimental impacts, but are not limited to, include inhalation diseases; cancer; and pollution of air and water resources. This, in turn, requires prompt and plausible action. Human activities that intensified the occurrence of dust storms made the present solutions ineffective to contrast with this phenomena, it is imperative to firstly get an in-depth understanding of the phenomenon in terms of mechanisms of dust movement and attachment to various surfaces. The present study endeavors solely to discern the mechanisms of movement and surface deposition and discovers the existing challenges based on previous studies. Then according to the theory of DLVO, the various adhesion forces between dust particles and deposition surfaces are calculated in different situations. The resultant findings of this study reveal that the measurement of determination of such forces is prone to uncertainty to some extent which is discussed in detail. Surface energy and humidity are the most complex factors in dust deposition.
Keywords
Dust
Particle deposition
Adhesion force
Surface energy
Surface materi

Subjects

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