TITLE:
The Effect of Polyvinyl Acetate Polymer on Reducing Dust in Arid and Semiarid Areas
AUTHORS:
Gholamreza Tadayonfar, Narges Shahmiri, Mohammad Hassan Bazoobandi
KEYWORDS:
Haze, Poly Vinyl Acetate Polymer, Arid and Semi-Arid Area, Stability against Wind
JOURNAL NAME:
Open Journal of Ecology,
Vol.6 No.4,
March
21,
2016
ABSTRACT: Because
the large areas of Iran are on arid and semiarid belt of the world, it has many
problems due to windstorms. Wind storms cause dust and haze due to a mass of
fine sand or silt soil elevated in the atmosphere. It makes heart disease-cardiovascular
and respiratory and so is detrimental for the children. These have plagued the
residents and so lives of them are disrupted every so often. In this research,
the subject soil stabilization using adherence of poly vinyl acetate polymer as
a way to reduce the production of dust is defined for prone area. In this
paper, the effect of poly vinyl acetate polymer on silt soil has been studied.
In this study the samples were uncompacted particles of soil with different
amount of water-solvated polymer (0, 5, 10, 15, 20, 25, 30 grams per meter
squared) poured over them. These samples are kept in experimental environment
for 7 days. After ensuring complete dryness, their stabilities are tested
against wind flow with 20 m/s speed. Results showed that adding more polymers
to soil would considerably increase its particles’ stabilities. This stability
is due to positive reaction of polymer with soil particles. The effect of this
stability is maintained during sample drying time in the lab and the soil
maintains its characteristics during testing. The best results are obtained for
20 grams polymer per meter squared, where caused an increase in stability to
about 15 times that of the soil without polymer.