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1

Investigations of gravel road dust minimization by applying different salt solutions

100%
Braduliene J., Vasarevicius S.
Polish Journal of Environmental Studies
|
2014
|
tom 23
|
nr 3
Dust on gravel roads is reduced through the application of various dust minimization materials, most frequently calcium chloride. However, global efforts have been intensified to find new effective materials that cause the least damage to the environmental. One of them is Safecote, a new patented product. In 2008 measurements were performed on the gravel road Jusevičiai-Būdvietis-Derviniai, which was treated with calcium chloride. Experiments of particulate matter concentrations in the air, when gravel road pavement was treated with a mixture of calcium chloride and Safecote, were carried out in the summer of the same year. As the findings of the experimental investigation of particulate matter concentrations in the air show, the concentration of particulate matter on the gravel road treated with calcium chloride alone reached, on average, 1.90 mg/m³, while on that treated with the mixture was 0.40 mg/m³.
2

Investigation and evaluation of green waste composting parameters

80%
Vasarevicius S., Baltrenas P., Baltrenaite E.
Polish Journal of Environmental Studies
|
2011
|
tom 20
|
nr 6
With the growth in the living standard of the European population, increasing amounts of waste are accumulating. Waste poses a threat not only to the environment, but to human health as well. The major part of waste consists of organic waste, including a fair amount of green waste; therefore, composting should play a role as important as possible in the integrated system of waste. Certainly, composting will not help deal with all the problems of waste, but this could be an integral part of the municipal waste management strategy. During the experiment the green waste of different compositions was analyzed: leaves, grass, and crushed wood. Green waste mixtures of several types were formed. In the course of the experiment, concentrations of methane emissions were determined and the influence of crushed wood on the formation of methane quantity was evaluated.
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