Function Of Rubber Plant As Dust Absorbentfrom Coal Transportation

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Junaidi , Zulfikar Ali As , Muhammad Pahruddin

Abstract

Coal transportation is needed because there is a distance between the mine site and the port to ship minerals. The volume of coal transportation traffic reaches 3,338-5,000 trucks per day. The density of coal transportation disperses dustfall of 580.45 tons/km2/month. Rubber trees that grow along coal haul roads have different growth than rubber plants that are not affected by dust due to the accumulation of dust particles on the leaves that disturb the photosynthesis process. This study aims to determine the absorption of dust by rubber plants on special roads for coal transportation in several road conditions and the position of rubber trees from pollutant sources. The results showed that the dust absorption by rubber trees on the side of the incline/bend road was always lower than the straight and bend conditions. Dust absorption by rubber trees located at zero meters from the highest coal haul road was 1,563.1 g/g leaf; leaf adsorption was reduced at a tree distance of 25 meters and reduced again at 50 meters. There is a difference in giraffe dust by rubber trees, by variableroad conditions, and the variable distance of the rubber tree from the coal haul road. There are also differences in dust absorption by the interaction of the two variables. The highest PM10 dust content in residential areas around coal haul roads is 44 g/m3, while the highest PM10 dust levels in houses in residential areas around coal haul roads, in the living room the highest is 65 g/m3 and the highest sleeping room is 53 g/m3.

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