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Wyszukujesz frazę "Gajewska, E." wg kryterium: Wszystkie pola


Wyświetlanie 1-2 z 2
Tytuł:
Operational problems of constructed wetland for landfill leachate treatment: case study
Autorzy:
Obarska-Pempkowiak, H.
Gajewska, M.
Wojciechowska, E.
Powiązania:
https://bibliotekanauki.pl/articles/125011.pdf
Data publikacji:
2013
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
treatment wetland
landfill leachate
clogging
Opis:
The present paper discusses the quality fluctuations of leachate from municipal landfill in Gdansk (Poland) over the last 5 years and the evaluation of a wetland system designed for treatment of the leachate. The research has been conducted during a 5-year period. The constructed wetland for leachate treatment was built in 2001; it consists of 2 horizontal subsurface flow reed beds, working in parallel. In the period 2005–2006 it underwent modernization due to unsatisfactory treatment results caused by bed clogging. After the modernization the treatment effectiveness is satisfactory. The effluent from bed I met Polish outflow standards, while in the effluent from bed II COD, total N and TSS exceeded the required concentrations. In spite of this, pretreatment of leachate (iron removal) should be quickly introduced to protect the system against the reoccurrence of clogging problems.
Źródło:
Journal of Ecological Engineering; 2013, 14, 3; 53-58
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Pre-Feasibility Study for Treatment Wetland Application for Wastewater Treatment in Dispersed Development
Autorzy:
Gajewska, M.
Kołecka, K.
Obarska-Pempkowiak, H.
Wojciechowska, E.
Ostojski, A.
Bejnarowicz, A.
Powiązania:
https://bibliotekanauki.pl/articles/124403.pdf
Data publikacji:
2016
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
wastewater management in scattered development
conventional and natural treatment methods
economical cost
investment and maintenance costs
Opis:
The aim of the paper is to present the conducted analyses of pre-feasibility study of different approaches for wastewater management in a settlement of 180 persons. In the assessment both technical and economic aspects were analyzed. The costs were calculated for three different and, at the same time, most popular as well as possible technical solutions like: (i) construction of local wastewater treatment plant with gravitational and pressurized networks, (ii) construction of single family wastewater treatment plants, (iii) construction of sealed septic tanks. Carried out analyses of investment and maintenance costs revealed that at the stage of construction the most expensive is local sewer network with treatment plant, while the construction of a single family treatment plant has similar cost regardless of the technology used. When the long term operation and investment cost are accounted the most economical reasonable solution is the application of wetland treatment for household wastewater treatment.
Źródło:
Journal of Ecological Engineering; 2016, 17, 3; 79-86
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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