Influence of UV irradiation on microbiological degradation of petroleum products |
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| Authors: | E A Karetnikova V L Rapoport |
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| Institution: | (1) Institute of Water and Ecological Problems, Far East Division, Russian Academy of Sciences, ul. Kim-Yu-Chena 65, Khabarovsk, 680000, Russia;(2) Institute of Tectonics and Geophysics, Far East Division, Russian Academy of Sciences, ul. Kim-Yu-Chena 65, Khabarovsk, 680000, Russia |
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| Abstract: | Changes in the rates of microbiological degradation of kerosene, diesel fuel, and fuel oil under the effect of UV irradiation were estimated by testing the respiratory activity of microbial communities. The strongest inhibitory effect was observed upon simultaneous UV irradiation of both natural water and petroleum products. Concentrations of CO2 in the microbial communities (microcosms) decreased from 6.7 to 3.6 vol. % upon oxidation of kerosene, from 5.9 to 0.8 vol. % upon oxidation of diesel fuel, and from 5.7 to 0.05 vol. % upon oxidation of fuel oil. |
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