Kazimierz Szymański

Removal efficiency of selected micropollutants from municipal wastewater using disc cloth filters – a case study

Kazimierz Szymański, Jacek Piekarski, Robert Sidełko, Beata Janowska

At the municipal wastewater treatment plant in Międzyzdroje (approximately 6,000 permanent residents; ~370,000 people during the summer season), a tertiary treatment stage based on gravity filtration using disc filters (Mecana SF6/30; PES-13) was implemented between 2021 and 2023. Despite a twofold increase …

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Analysis of the Effectiveness of the Energy-Efficient Gravity Filtration Process in Terms of Its Application as the Third Stage of Wastewater Treatment

Kazimierz Szymański, Jacek Piekarski, Tomasz Dąbrowski, Krzysztof Piaskowski et autres

The energy self-sufficiency of wastewater treatment plants has become an essential aspect of sustainable water and energy resource management. On the other hand, due to the expansion of urban conglomerations and agricultural activities, as well as more frequent and erratic meteorological phenomena …

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Operational experience with disk fabric filters in terms of removing macro- and micropollutants from wastewater

Kazimierz Szymański, Robert Sidełko, Jacek Piekarski, Tomasz Dąbrowski et autres

The municipal wastewater treatment plant in Miedzyzdroje – a Polish seaside resort and tourist destination where a significant increase in the number of tourists during the summer season is regitered – was modernized, to increase the efficiency of wastewater treatment in terms …

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Reuse of Treated Municipal Wastewater for the Production of Water for Agriculture

Kazimierz Szymański

Treated municipal wastewater may be a source of water that can be used for a wide range of industrial applications, municipal services, agriculture, and environmental protection. It must meet the criteria for environmental protection and human and animal health. Directive 2007/2/EC of …

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Impact of humic substances on the bioavailability of copper and zinc during composting of sewage sludge in reduced structural material content conditions

Beata Janowska, Kazimierz Szymański, Robert Sidełko, Bartosz Walendzik

ABSTRACT In this paper the results of research work on the transformation of Cu and Zn chemical forms bound with humic acids that occur during sewage sludge composting process are presented. A factor influencing the direction of the observed transformations was the …

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The use of a regression model in the variability analysis of the leachate quality from heaps of the production of the building materials

Kazimierz Szymański, Bartosz Walendzik, Beata Janowska, Robert Sidełko

Abstract An attempt to evaluate potential hazard for quality of manufactured construction elements and concrete in case of use of leachate as technological water was made in this paper. This may lead to negative impact on strength parameters of the product made …

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Composting of sewage sludge in technical scale: The influence of straw added mass of the humification process

Robert Sidełko, Bartosz Walendzik, Beata Janowska, Kazimierz Szymański et autres

The main objective of presented research work was the assessment of impact of reduced straw content, as one of the components of the compost mixture and organic carbon source, on the course of sewage sludge composting process. During the research work performed …

Improving efficiency of nitrogen removal from municipal wastewater in modified A2O technological system – case study

Piotr Maciołek, Kazimierz Szymański, Beata Janowska, Maria Włodarczyk‐Makuła

ABSTRACT Results of qualitative examination of municipal wastewater purified in a modernized A2O (Anaerobic/Anoxic/Oxic) treatment system have been presented in this paper. The tests were performed on the real system. Primary organic contamination indicators such as BOD 5 , COD Cr , …

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Impact of reduced straw content on the sewage sludge composting process

Robert Sidełko, Bartosz Walendzik, Małgorzata Smuga‐Kogut, Beata Janowska et autres

The main objective of presented research work was the assessment of the impact of reduced straw content, as organic carbon source, on the course of sewage sludge composting process. During the research work performed in industrial conditions, the composting process going in …

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An integrated assessment of the long-term impact of municipal sewage sludge on the chemical and biological properties of soil

Monika Skowrońska, Elżbieta Jolanta Bielińska, Kazimierz Szymański, Barbara Futa et autres

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Statistical appraisal of selected qualitative parameters of leachates from an industrial waste heap

Kazimierz Szymański, Bartosz Walendzik, Elżbieta Jolanta Bielińska, Beata Janowska et autres

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Advanced methods to calculation of pressure drop during aeration in composting process

Robert Sidełko, Beata Janowska, Kazimierz Szymański, Natalia Mostowik et autres

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