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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)

  • Photo of dr hab Krzysztof Jóźwiakowski

    Krzysztof Jóźwiakowski dr hab

    • Department of Environmental Engineering and Geodesy, University of Life Sciences in Lublin Department of Environmental Engineering and Geodesy,
  • Photo of  Piotr Bugajski

    Piotr Bugajski

    • Department of Sanitary Engineering and Water Management, University of Agriculture in Kraków Department of Sanitary Engineering and Water Management,
  • Photo of  Karolina Kurek

    Karolina Kurek

    • Department of Sanitary Engineering and Water Management, University of Agriculture in Kraków Department of Sanitary Engineering and Water Management,
  • Photo of  Maria De

    Maria De

    • Polytechnic Institute of Beja Departamento de Tecnologias e Ciências Aplicadas
  • Photo of  Maria Almeida

    Maria Almeida

    • Polytechnic Institute of Beja, Departamento de Tecnologias e Ciências Aplicadas
  • Photo of  Tadeusz Siwiec

    Tadeusz Siwiec

    • Warsaw University of Life Sciences Department of Civil Engineering
  • Photo of  Gabriel Borowski

    Gabriel Borowski

    • Lublin University of Technology, Institute of Environmental Protection Engineering
  • Photo of  Wojciech Czekała

    Wojciech Czekała

    • University of Life Sciences, Wojska Polskiego Institute of Biosystems Engineering
  • Photo of  Jacek Dach

    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:
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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