Analiza skuteczności, niezawodności i stabilności procesów w Oczyszczalni Ścieków Kraków-Płaszów
An Analysis of Effectiveness, Reliability and Process Stability at Krakow-Płaszow Sewage Treatment Plant

Summary/Abstract: The aim of the research was to analyse the sewage management of the city of Krakow in the field of assessing the effectiveness, reliability and stability of wastewater treatment processes taking place in the largest sewage management facility of the city and the region - Płaszow Sewage Treatment Plant. The analysis was performed for the following pollution indicators: BOD5, CODCr, total nitrogen and phosphorus. For each of them a percentage reduction effectiveness and treatment plant reliability factors were calculated. The assessment of the stability of work of the sewage treatment plant in the period under the examination 2015-2016 was conducted by using X control cards for the simple test. It was concluded that the tested sewage treatment plant works properly, which is confirmed by high values of the pollution indicators reduction and values of treatment plant reliability factors (WN) at under 1.00. Full stability of most pollution indicators removal process was stated.

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