Assessment of the technological reliability of a hybrid constructed wetland for wastewater treatment in a mountain eco-tourist farm in Poland
PBN-AR
Instytucja
Wydział Inżynierii Lądowej i Środowiska (Politechnika Gdańska)
Źródłowe zdarzenia ewaluacyjne
Informacje podstawowe
Główny język publikacji
en
Czasopismo
WATER SCIENCE AND TECHNOLOGY (20pkt w roku publikacji)
ISSN
0273-1223
EISSN
Wydawca
DOI
URL
Rok publikacji
2017
Numer zeszytu
11
Strony od-do
2649-2658
Numer tomu
75
Link do pełnego tekstu
Identyfikator DOI
Liczba arkuszy
Słowa kluczowe
COLD CLIMATE, HYBRID CONSTRUCTED WETLAND, MOUNTAIN AQUIFERS, RURAL AREAS, TECHNOLOGICAL RELIABILITY
Streszczenia
Język
Treść
The aim of the present study was to assess the technological reliability of a domestic hybrid wastewater treatment installation consisting of a classic three-chambered (volume 6 m3) septic tank, a vertical flow trickling bed filled with granules of a calcinated clay material (KERAMZYT), a special wetland bed constructed on a slope, and a permeable pond used as a receiver. The test treatment plant was located at a mountain eco-tourist farm on the periphery of the spa municipality of Krynica-Zdrój, Poland. The plant’s operational reliability in reducing the concentration of organic matter, measured as biochemical oxygen demand (BOD5) and chemical oxygen demand (COD),was 100%whenmodelled by both the Weibull and the lognormal distributions. The respective reliability values for total nitrogen removal were 76.8% and 77.0%, total suspended solids – 99.5% and 92.6%, and PO4-P – 98.2% and 95.2%, with the differences being negligible. The installation was characterized by a very high level of technological reliability when compared with other solutions of this type. The Weibull method employed for statistical evaluation of technological reliability can also be used for comparison purposes. From the ecological perspective, the facility presented in the study has proven to be an effective tool for protecting local aquifer areas.
Inne
System-identifier
142464
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