PHYSICAL-CHEMICAL PROPERTIES ANALYSIS OF THE SOIL CONTAMINATED WITH HEAVY METALS FROM COPSA MICA AREA

Published in Scientific Papers. Series E. Land Reclamation, Earth Observation & Surveying, Environmental Engineering, Vol. V
Written by Ioana Monica SUR, Alexandra CIMPEAN, Valer MICLE, Claudiu TANASELIA

The non-ferrous metallurgical activities led to the pollution of large areas of soil and affected the environment in a negative way. The problems generated by soil contamination with different pollutant substances have been, in the latest period in the center of attention for researchers from all around the world. The objective of this paper is to perform experimental researches in order to establish the physical-chemical properties of the soil from Copsa Mica area. The texture, structure, humidity and pH are the main analysis performed in order to proper establish the optimal soil cleaning technologies. In order to establish the actual pollution degree in the moment of soil sampling, was determined also the concentration of metals in the soil. For this purpose, were taken soil samples from two areas on three depth interval (0–40 cm). Determining the concentration of heavy metals on three depth levels offers the researcher a relevant view of the historical pollution of the area under study. As a result of these researches was established that the soil is polluted with Pb, Zn and Cd. The quantity on metals in the soil is way beyond the alert threshold. As a conclusion these soil need cleaning, which can be made through various methods, one of the being bioleaching, which is a biological cleaning method which implies using microorganisms in order to favor leaching and heavy metals extraction from the polluted soils.

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Ioana Monica SUR, Alexandra CIMPEAN, Valer MICLE, Claudiu TANASELIA 2017, PHYSICAL-CHEMICAL PROPERTIES ANALYSIS OF THE SOIL CONTAMINATED WITH HEAVY METALS FROM COPSA MICA AREA. Scientific Papers. Series E. Land Reclamation, Earth Observation & Surveying, Environmental Engineering, Vol. V, Print ISSN 2285-6064, 51-56.


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