TAILIEUCHUNG - Waste Water Evaluation and Management Part 10

Tham khảo tài liệu 'waste water evaluation and management part 10', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Effects of Wastewater Treatment Plant on Water Column and Sediment Quality in Izmir Bay Eastearn Aegean Sea 259 All variables were described as four major components at ST 3 which explained for of total variance. of total variance is generally explained by temperature phosphate oxygen and phaeopigment Nitrate is seen to be responsible for of it whereas its is basically governed by salinity chlorophyll a and nitrite. On the other hand of total variation is mostly controlled by silicate and ammonium Table 5 . ST 3 Component Component Component Component 1 2 3 4 Phaopigment 0 309441 -0 115255 -0 118439 0 00891844 Temperature 0 478778 0 368824 -0 00879898 0 140916 Salinity -0 024596 0 365174 -0 519479 0 253368 pH 0 33159 0 186109 0 321044 -0 0842017 PO4 0 437231 -0 22811 0 0675536 0 134745 NO3 0 200952 -0 554785 -0 129602 0 162289 NO2 0 0991039 -0 401237 -0 46215 0 29997 NH4 0 285814 -0 197389 0 0871168 -0 468515 S1O4 0 244234 -0 0379852 -0 22798 -0 566497 DO -0 383154 -0 345061 0 258506 -0 0662661 Chl -a 0 186924 -0 0491215 0 501633 0 479047 Table 5. Component Weights of ST 3 Table 6 shows minimum and maximum values of nutrients and Chl a in some previous studies which were carried out in the different parts of the Izmir bay. Izmir Wastewater Treatment Plant Construction was completed in the 2002. It works on the principle of nitrogen and phosphorus treatment technology with activated sludge. Previous studies indicated that the concentration of TNOx-N has been reduced during after wastewater activated sludge technology plant except sudden discharge while reactive phosphate concentrations were increased in the Bay. In the Middle and Inner Parts of the Bay Chlorophyll a concentration has been gradually reduced after treatment. In conclusion we are of the opinion that it would be of great use to develop and plan further similar studies periodically and for the long run considering that they could shed light on precautions to be taken in terms of .

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