| Issue |
E3S Web Conf.
Volume 404, 2023
International Conference on Electronics, Engineering Physics and Earth Science (EEPES 2023)
|
|
|---|---|---|
| Article Number | 03002 | |
| Number of page(s) | 9 | |
| Section | Applied and Engineering Physics | |
| DOI | https://doi.org/10.1051/e3sconf/202340403002 | |
| Published online | 24 July 2023 | |
Pollution of Varna Lake and possibilities of using the pollutants as resources
1 Technical University Varna, 1 Studentska Str., BG 9010, Varna, Bulgaria
2 Hydro-Map EOOD, 166A Slivnitsa Blvd., 3rd floor, office №17, Varna, Bulgaria
* Corresponding author: ivalena.georgieva@tu-varna.bg
Varna Lake is of great social and economic importance for the city of Varna and the entire region. The urbanisation of the areas surrounding the Varna-Beloslav Lake complex and the accelerated industrialisation around the coastline of Varna Bay have significant anthropogenic pressure on the aquatic ecosystem. An essential aspect is that industrial development, maritime transport and urbanisation are substantial sources of large-scale inorganic and organic pollution with all the resulting negative consequences. Recent measurements show that the surface sediments, which are a source of nutrients for the water body of Varna Lake, are contaminated with heavy metals and oil products. In this paper, we present a quantitative assessment of the degree of contamination with heavy metals (Hg, As, Fe, Cu, Pb) and petroleum products in the upper sediments of Varna Lake and then discuss opportunities for using some of these pollutants as a resource. The exploitation of these resources would bring significant benefits for improving the ecological status of Varna Lake.
© The Authors, published by EDP Sciences, 2023
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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