Abstract
The Interdependence of Organic and Biogenic Pollutants Concentrations in the Aspect of their Susceptibility to Biodegradation – A Case Study
Highlights
The proper functioning of a wastewater treatment plant starts already at the stage of developing a technological design, because the mistakes made by the designer at this stage will result in malfunctions during the whole period of its operation (Nowobilska-Majewska and Bugajski 2020, Karamus 2018, Moretti 2011)
The aim of the research was to determine the interrelationships between Chemical Oxygen Demand (COD) and Biochemical Oxygen Demand (BOD5), Total Nitrogen (TN) and Total Phosphorus (TP) using statistical methods, both in raw sewage and in the wastewater treated mechanically in a collective wastewater treatment plant, which would allow estimating the values of these parameters on the basis of the COD value
During the 10-year study period, the sewage flowing from the sewerage network to the wastewater treatment plant was characterized by the concentrations typical for domestic sewage, as indicated by Kaczor (2009), Gajewska (2015), Nowobilska-Majewska and Bugajski (2019)
Summary
The proper functioning of a wastewater treatment plant starts already at the stage of developing a technological design, because the mistakes made by the designer at this stage will result in malfunctions during the whole period of its operation (Nowobilska-Majewska and Bugajski 2020, Karamus 2018, Moretti 2011). After the construction or modernization of a wastewater treatment plant, its long-term operation is often a complex problem for the operator, because the variability of the quantity and quality of the inflowing wastewater over time may determine the interference of mechanical and biological treatment processes (Trikoilidou et al 2016, Mailler et al 2016, Dymaczewski et al 2011). The design of a technological line of wastewater treatment plant processes is supported by computer programs, which facilitate the designer’s work (Klaczyński 2016, Heidrich and Witkowski 2010). The analytical part of this article is a contribution to the knowledge for designers as well as for wastewater treatment plant operators about the size of pollutants in sewage before and after the mechanical treatment process and how to monitor them quickly
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