Change of seawater fluorescence properties when mixing with crude oil
P.A. Saluk1, I.M. Doroshenkov2, O.A. Bukin2,3, E.B. Sokolova2,3, E.N. Baulo4
1V.I. Il'ichev Pacific Oceanological Institute, 43, Baltiyskaya Street, Vladivostok, 690041, Russia
2Admiral G.I. Nevelskoy Maritime State University, Vladivostok, Verkhneportovaya street, Building 50a, 690059, Russia
3Institute of Automation and Control Prosesses Far Easten Branch of the Russian Academy of Science, 5 Radio Street, Vladivostok, 690041
4Far Eastern State Technical Fisheries University, Vladivostok, Russia, 52B, ul. Lugovaja, 690087, Primorsky Territory, Vladivostok
Keywords: crude oil, fluorescence, seawater
Abstract
The fluorescence features of seawater with dissolved crude oil components during continuous 13-days mixing of water and oil are considered. Four specific fluorescence peaks are identified. Two of them are connected with content of poly aromatic hydrocarbons, and other two peaks, with high molecular organic compounds. It is shown that the fluorescence spectrum of dissolved components of crude oil is not constant. Spectral features which are good for identification of dissolved crude oil in seawater are selected.
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