ISSN 2285-5785, ISSN CD-ROM 2285-5793, ISSN ONLINE 2285-5807, ISSN-L 2285-5785


Published in Scientific Papers. Series A. Agonomy., Vol. LVI
Written by Claudia-Elena BĂLĂCEANU

Some of the most complex polluters of the environment are thermo-electric power stations that are using coal as energy source. There are two types of environmental pollution sources: the main are baskets exhaust gases of coal combustion, so called high sources, and the secondary sources that are ash dumps resulted from the coal combustion activities, so called low sources. Thermo-electric power station Doicesti, located in the area of Sub-Carpathian hills, on Ialomiţa Valley, is a major source of environment pollution with sulphur, since 1952 when was built. By geographically point of view, the studied territory can be included into Sub-Carpathians’ Curvature, more specify in the Prahova’s Sub- Carpathian subunit. Pedogenesis factors: rock, topography and parent matherial, have led the evolution of isolated, lythomorphic soils. In the investigated territory four soil classes: Luvisols, Cambisols, Vertisols and Protisols were identified, each of them with types and subtypes mentioned in the paper. From the geomorphological viewpoint, thermo-electric power stations Rovinari belongs to the Câlnic-Câmpul Mare inter-hilly depression whose altitude, at the Rovinari, is 150 m. The soil forming factors causing the soil evolution have been the rock, parental material and relief, all of them determining the evolution of lithomorphic zonal soils. The soils in the analyzed area represented by the classes: luvisols, hydrisols, cambisols and protisols. The subject of this paper is to analyze the loading degree of copper of the soils affected by emissions from thermoelectric power stations Doiceşti and Rovinari. Soil samples collected soil profiles distributed in all cardinal directions, were analyzed for pH, zinc contens. In the investigated area, zinc pollution of soils, caused by zinc emissions from thermo-electric power stations Doicesti and Rovinari, were recorded. The zinc pollution phenomenon gathering way by changing the normal content of soil, plant, and consequently, could affecting the health of the inhabitants of this territory.

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