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The efficiency and technological reliability of biogenic compounds removal during long-term operation of a one-stage subsurface horizontal flow constructed wetland
Abstract
The paper presents the results of a study of the efficiency and technological reliability of total nitrogen and total phosphorus removal during long term operation of a one-stage constructed wetland system with subsurface horizontal wastewater flow. The flow rate of the wastewater treatment plant was 1.2m3/d during the research period. Physical and chemical analyses of raw wastewater and treated effluent were carried out in the years 1997–2010 (14 years). During this study period, 56 series of analyses were performed and 112 wastewater samples were collected. It was observed that the average efficiency of total nitrogen and total phosphorus removal amounted to 51% and 73%, respectively. The technological reliability, determined by means of the Weibull reliability method, was 45% for total nitrogen removal and 48% in the case of total phosphorus removal. Total nitrogen and total phosphorus concentrations in the treated wastewater did not exceed the permissible values in 39.3% and 37.5% of cases, respectively. A negative correlation was found between the sorption capacity of the soil-plant filter for the removal of total phosphorus and the time of plant operation. The efficiency of total nitrogen removal was stable over time.
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Authors (10)
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Krzysztof Jóźwiakowski dr hab
- Department of Environmental Engineering and Geodesy, University of Life Sciences in Lublin Department of Environmental Engineering and Geodesy,
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Piotr Bugajski
- Department of Sanitary Engineering and Water Management, University of Agriculture in Kraków Department of Sanitary Engineering and Water Management,
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Karolina Kurek
- Department of Sanitary Engineering and Water Management, University of Agriculture in Kraków Department of Sanitary Engineering and Water Management,
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Maria De
- Polytechnic Institute of Beja Departamento de Tecnologias e Ciências Aplicadas
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Maria Almeida
- Polytechnic Institute of Beja, Departamento de Tecnologias e Ciências Aplicadas
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Tadeusz Siwiec
- Warsaw University of Life Sciences Department of Civil Engineering
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Gabriel Borowski
- Lublin University of Technology, Institute of Environmental Protection Engineering
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Wojciech Czekała
- University of Life Sciences, Wojska Polskiego Institute of Biosystems Engineering
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Jacek Dach
- University of Life Sciences, Wojska Polskiego Institute of Biosystems Engineering
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Keywords
Details
- Category:
- Articles
- Type:
- artykuł w czasopiśmie wyróżnionym w JCR
- Published in:
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SEPARATION AND PURIFICATION TECHNOLOGY
no. 202,
pages 216 - 226,
ISSN: 1383-5866 - Language:
- English
- Publication year:
- 2018
- Bibliographic description:
- Jóźwiakowski K., Bugajski P., Kurek K., De M., Almeida M., Siwiec T., Borowski G., Czekała W., Dach J., Gajewska M.: The efficiency and technological reliability of biogenic compounds removal during long-term operation of a one-stage subsurface horizontal flow constructed wetland// SEPARATION AND PURIFICATION TECHNOLOGY. -Vol. 202, (2018), s.216-226
- DOI:
- Digital Object Identifier (open in new tab) 10.1016/j.seppur.2018.03.058
- Verified by:
- Gdańsk University of Technology
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