Publication Date:
2020-05-15
Description:
Petroleum and its related products pose a serious pollution risk to the world’s seas and require a simple, rapid detection method. This is a difficult task if the pollution is under the water surface. One common approach to oil detection is excitation-emission spectroscopy (EEMs) of seawater exposed to oil for analyzing the fluorometric index (FIo/w) as a potential indicator of oil presence in the marine environment. In this paper, FIo/w was determined for both natural seawater and samples of the same water, but exposed to a relatively small portion of oil. The water samples were collected from the coastal and port waters of the Gdynia region (Southern Baltic Sea) from five stations, four times at two-week intervals. FIo/w indicates the changes between seawater sampled from the marine environment and the same seawater polluted with oil substances. Moreover, the obtained FIo/w values do not depend on the point and time of sampling. In all cases of seawater exposed to oil, significantly higher FIo/w values were observed than for unpolluted seawater. Moreover, the detection of oil by analyzing the value of FIo/w is efficient if the oil-to-water weight ratio is close to or above 5 × 10−6.
Electronic ISSN:
2071-1050
Topics:
Energy, Environment Protection, Nuclear Power Engineering
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