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SEASONAL CHANGES IN NITROGEN, PHOSPHORUS, BOD AND COD REMOVAL IN BYSTRE WASTEWATER TREATMENT PLANT
 
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Bialystok University of Technology, Department of Technology in Environmental Engineering and Protection, Wiejska 45E Str., 15-351 Białystok, Poland
 
 
Publication date: 2017-07-01
 
 
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Iwona Skoczko   

Bialystok University of Technology, Department of Technology in Environmental Engineering and Protection, Wiejska 45E Str., 15-351 Białystok, Poland
 
 
J. Ecol. Eng. 2017; 18(4):185-191
 
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ABSTRACT
The aim of this study was to determinate seasonal changes in industrial wastewater treatment effectiveness. Studies were carried out in mechanical-biological wastewater treatment plant in Bystre near Giżycko to which inflows mixture of domestic and dairy wastewater. Laboratory studies were carried out by Water and Wastewater Company in Giżycko. For statistical analysis results form years 2014 and 2015 were considered. The scope of statistical analysis includes basic statistical measures including arithmetic mean, median, minimum, maximum and standard deviation. Changes in seasonal treatment effectiveness were shown by Fisher-Snedecore LSD test. Seasonal changes were observed for BOD, COD and total nitrogen removal effectiveness. Total phosphorus was not subjected to that kind of changes.
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