Dust Emission Reduction For Open Storage
Mineral Piles By Fences: CFD Modelling
Author(s)
S. Torno, R. Rodriguez, C. Allende & J. Toraño
Abstract
The significance of the dust emission study in open mineral storage piles is due
to the great increase in bulk solids port terminals as a result of the increase in
demand for different granular mineral.
These piles are a significant source of pollutants into the atmosphere since
they are affected by gusts of wind. The wind erodes the pile surface causing
windblown particles to pollute the surrounding areas, cause sea water pollution
in Port Systems and/or breathable air pollution in nearby areas.
There are various preventive measures which minimize the erosion produced
by the wind, such as total or partial covering, the use of water and chemical
spraying which create a superficial crust and the colocation of natural or artificial
fences (more widely used).
In this research, the effect of different types of fence configurations, such as,
straight, curved and with a bottom gap, for the particle emissions into the
atmosphere has been analyzed by means of the Post Method which has been
carried out by our Research Group incorporating Ansys CFX-10.0 software the
US EPA (United States Environmental Protection Agency) emission formulae.
The results obtained in this method have been proved and adjusted by
measurement programmes that have been carried out in industrial installations.
The best results correspond to the straight fence with a bottom gap located as
much upstream as downstream from the pile.
Keywords: particle emission, computational fluid dynamics (CFD), open storage
pile, air pollution, dust barrier.
Keywords
particle emission, computational fluid dynamics (CFD), open storage
pile, air pollution, dust barrier
Related Book
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