Investigating the efficiency of DS-300 and CaCl2 in dust mitigation from gravel forest roads

Document Type : Scientific article

Authors

1 Department of Forestry, Faculty of Forest Sciences, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, I.R. Iran.

2 Department of Forestry, Faculty of Forest Science, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran

3 Associate Professor, Department of Forestry, Faculty of Natural Resources, Sari Agricultural Sciences and Natural Resources University, Sari, Iran

Abstract

In this study, to evaluate the performance of anti dust material DS-300 and calcium chloride in road dust control, each with concentrations of 10, 20.30% by amount as two liters per square meter in parts of Takht series roads of Minoodasht city were sprayed by the solution spray system. Dust concentration was recorded when passing the vehicle at a speed of 40 km / h after 3, 9 and 27 days after the treatments using the electronic dust meter HAZ-DUST EPAM-5000. Roadside soil sampling was performed to examine soil calcium and magnesium changes and chlorine contamination. The results showed that the concentration of dust on the treated roads increased over time. Also, in each time period, with increasing the concentration of treatments, the dust concentration decreased. After 27 days, only 30% calcium chloride, 20% DS-300 and 30% DS-300 were able to maintain the road dust emission concentration in the allowable range of 0-50 μg / m3. Since 30% of calcium chloride and DS-300 concentrations altered the concentrations of calcium and magnesium and contaminated the roadside soil with chlorine, only 20% of DS-300 was identified as a low-risk concentration for road dust control.

Keywords

References

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Forest Research and Development
Volume 6, Issue 4
January 2021
Pages 559-571

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