tailieunhanh - The treatment efficiency of plankton in the Ivedik drinking water treatment plant, Ankara

The phyto-zooplankton composition and some physical and chemical properties of drinking water were investigated in the Ivedik water treatment plant. The mean values of phytoplankton abundance were 641±92 and 438±55 ind/ml in the Kurtbo¤azI and Çamlidere inlets, respectively. | Turk J Biol 26 (2002) 229-234 © TÜB‹TAK The Treatment Efficiency of Plankton in the ‹vedik Drinking Water Treatment Plant, Ankara* Nilsun DEM‹R, Do¤an ATAY Ankara University, Faculty of Agriculture, Department of Fisheries and Aquaculture, 06110 D›flkap›, Ankara – TURKEY Received: Abstract: The phyto-zooplankton composition and some physical and chemical properties of drinking water were investigated in the ‹vedik water treatment plant. The mean values of phytoplankton abundance were 641±92 and 438±55 ind/ml in the Kurtbo¤az› and Çaml›dere inlets, respectively. More than 50% of the phytoplankton belonging to the classes Bacillariophyceae, Chlorophyceae, Cryptophyceae and Dinophyceae were removed in the clarifiers. The treatment efficiency of phytoplankton ranged from 89 to 100% after the last chlorination. The mean values of zooplankton abundance were 93±23 and 59±18 ind/l in the Kurtbo¤az› and Çaml›dere inlets, respectively. The treatment efficiency of zooplankton varied between 97% and 100% in the balancing room. In processed water, phytoplankton (Tetrachlorella, Cyclotella, Gomphosphaeria, Anabaena, Staurastrum, Aphanizomenon, Botryococcus and Rhodomonas) were recorded. In addition, zooplankton (Keratella, Ascomorpha, Polyarthra and nauplii) were found in treated water. Key Words: phytoplankton, zooplankton, treatment efficiency, drinking water, treatment plant Ankara ‹vedik ‹çme Suyu Ar›t›m Tesisinde Plankton Ar›t›m Etkinli¤i Özet: ‹vedik ar›t›m tesisinde içme suyunun baz› fiziksel ve kimyasal özellikleri ile fito-zooplankton kompozisyonu incelenmifltir. Kurtbo¤az› ve Çaml›dere girifllerinde ortalama fitoplankton say›s›, s›ras›yla 641±92 ve 438±55 birey/ml olarak bulunmufltur. Bacillariophyceae, Chlorophyceae, Cryptophyceae ve Dinophyceae s›n›flar›na ait fitoplanktonun %50’den fazlas› durultucularda ar›t›lm›flt›r. Fitoplanktonun ar›t›m etkinli¤i, son klorlamadan sonra %89 ile 100 aras›nda de¤iflmifltir. Ortalama zooplankton bollu¤u, Kurtbo¤az› ve

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