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Application of subsurface vertical flow constructed wetlands to reject water treatment in dairy wastewater treatment plant
Abstrakt
The paper presents the effects of applying subsurface vertical flow constructed wetlands (SS VF) for the treatment of reject water generated in the process of aerobic sewage sludge stabilization in the biggest dairy wastewater treatment plant (WWTP) in Poland. Two SS VF beds were built: bed (A) with 0.65 m depth and bed (B) with 1.0 m depth, planted with reeds. Beds were fed with reject water with hydraulic load of 0.1 m d-1 in order to establish the differences in treatment efficiency. During an eight months of research period, high removal efficiency of predominant pollutants was shown: BOD5 88.1% (A) and 90.5% (B), COD 84.5% (A) and 87.5% (B), TSS 87.6% (A) and 91.9% (B), TKN 82.4% (A) and 76.5% (B), N-NH4+ 89.2% (A) and 85.7% (B), TP 30.2% (A) and 40.6% (B). There were not statistically significant differences in the removal efficiencies between bed (B) with 1.0 m depth and bed (A) with 0.65 m depth. The research indicated that SS VF beds could be successfully applied to reject water treatment in dairy WWTPs. The study proved that the use of SS VF beds in full scale in dairy WWTPs would result in a significant decrease of pollutants load in reject water. In the analyzed case decreasing the load of ammonia nitrogen was of greatest importance, as it constituted 58% of the total load treated in dairy WWTP and posed a hazard to the stability of the treatment process.
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Autorzy (4)
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Wojciech Dąbrowski dr hab. inż.
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Beata Karolinczak
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Pełna treść
- Wersja publikacji
- Accepted albo Published Version
- DOI:
- Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1080/09593330.2016.1262459
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Informacje szczegółowe
- Kategoria:
- Publikacja w czasopiśmie
- Typ:
- artykuł w czasopiśmie wyróżnionym w JCR
- Opublikowano w:
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ENVIRONMENTAL TECHNOLOGY
nr 38,
wydanie 2,
strony 175 - 182,
ISSN: 0959-3330 - Język:
- angielski
- Rok wydania:
- 2017
- Opis bibliograficzny:
- Dąbrowski W., Karolinczak B., Gajewska M., Wojciechowska E.: Application of subsurface vertical flow constructed wetlands to reject water treatment in dairy wastewater treatment plant// ENVIRONMENTAL TECHNOLOGY. -Vol. 38, iss. 2 (2017), s.175-182
- DOI:
- Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1080/09593330.2016.1262459
- Weryfikacja:
- Politechnika Gdańska
wyświetlono 162 razy
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