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| Evaluation of efficiency of the WWTP, treating wastewater from non-alkohol and low-alcohol beverages. |
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Radosław Żyłka Wojciech Dąbrowski |
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Keywords: Abstract This paper presents the results of a study of the effectiveness of a system for treating wastewater from the production of soft drinks and low-alcohol beverages. The advanced system is based on a flotation process and biological treatment using activated sludge and an ultrafiltration module. Efficiency tests were carried out on the different stages of treatment, with a total of twelve measurement series performed between September and November 2021. Biochemical oxygen demand (BOD5), chemical oxygen demand (COD), total nitrogen (TN.), total phosphorus (TP.), total suspended solids (TSS.) were determined during the study. In addition to the treatment effects, the pollutant loads removed were also analyzed. The investigated plant showed high efficiency of organic matter removal, amounting to 98.7% for BOD5 and 99.5% for COD. For total nitrogen and phosphorus, it was 79.7% and 94.6%. The results of the study may prove useful to operators or designers of analogous wastewater treatment systems with similar wastewater composition. The conclusions also outline the planned scope of further research as part of a closed loop economy.
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