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Oily wastewaters from different onshore and offshore installations and from maritime transport pose a serious threat to the environment so they must be treated by multistage separation also including membrane processes. The main advantages of such membranes are high performance and selectivity, high resistance for temperature and pressure, resistance for acids, bases and solvents, long service life and for application - significant reduction of industries and transport environmental impact. This work presents the results of the process of separation of oil from the emulsion with NaCl addition. Research was performed with a use of laboratory installation with ceramic 300 kDa membrane. The analysis concerned performance and selectivity of a membrane in the function of time and test results have been subsequently compared with the requirements of the IMO.
According to the HELCOM AIS, there are about 2,000 ships in the Baltic marine area at any given moment. The main environmental effects of shipping and other activities at sea include air pollution, illegal deliberate and accidental discharges of oil, hazardous substances and other wastes, and the unintentional introduction of invasive alien organisms via ships’ ballast water or hulls. Original oil pollution model and optimal allocation of response resources was proposed in the paper.
The present paper is based on the literature review and the recent information about the distribution range of the alien brown shrimp Penaeus aztecus Ives, 1891 in the Mediterranean Sea. This alien species has spread throughout the Mediterranean Sea (especially the eastern part) mainly through ship/ballast water introductions and has presently been reported by eight countries (27 localities). Introduction pathways and chronological distribution patterns of the alien brown shrimp species are discussed. Penaeus aztecus forms dense populations along the coast of the Turkish Mediterranean Sea, and it has a potential for colonising the native habitats of autochthonous species.
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TiO 2 aqueous solution, Chemosphere, 90, 4, 1514-1519. 15. Zhang, N, Hu, K and Shan, B 2014. Ballastwater treatment using UV/TiO 2 advanced oxidation processes: an approach to invasive species prevention, Chemical Engineering Journal, 243, 7-13. 16. Jefferson, B, Jarvis, P, Bhagianathan, GK, Smith, H, Autin, O, Goslan, EH, MacAdam, J and Carra, I 2016. Effect of elevated UV dose and alkalinity on metaldehyde removal and THM formation with UV/TiO 2 and UV/H 2 O 2 , Chemical Engineering Journal, 288, 359-367. 17. Koolivand, A, Rajaei, MS, Ghanadzadeh, MJ
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