Passive in situ bioremediation. Changes in hydrocarbons content in groundwater in the oil-contaminated area [near Novi Sad, Serbia&Montenegro]
2003
Ivancev-Tumbas, I. (Prirodno-matematicki fakultet, Novi Sad (Serbia and Montenegro). Institut za hemiju) | Dalmacija, B. | Becelic, M. | Karlovic, E. | Tamas, Z. | Pesic, V. | Agbaba, J. | Jovanovic, D.
The work is concerned with the study of groundwater quality in respect of hydrocarbons content, carried out on several sites on the territory of the Oil Refinery Novi Sad (Serbia, Serbia&Montenegro). In the course of four year that elapsed since the time spillage of crude and oil derivatives and deposition of burning products on the Refinery soil (April-June 1999) the processes of passive in situ bioremediation have been taking place on the contaminated area. By comparing the results for three contamination zones in a circle of 270 m from the site at which the spillage occurred, a certain increase in content of mineral oil was observed in deeper water-bearing layers at a distance of 200 and 270 m from the spillage site. A content of BTEX components the "movement" of the pollution was observed from the close zone 1 via the farther zone 2 to the farthest zone 3, which indicates that the intensity of bioremediation and all physico-chemical processes in general, taking place on the pollution site, is not sufficient to prevent pollution spreading. The assumption that the zone in question in probably a limiting zone is based on the results of the fourth sampling campaign, in which BTEX components were not detected on any of the locations of the zones 2 and 3.
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