Application of H2O2 to optimize ammonium removal from domestic wastewater - Publikacja - MOST Wiedzy

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Application of H2O2 to optimize ammonium removal from domestic wastewater

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The paper presents the results of application of hydrogen peroxide (H2O2) for the optimization of the effects of ammonia nitrogen removal from domestic wastewater. The investigations were carried out at a model wastewater treatment plant consisting of a preliminary sedimentation tank and a sand filter with a horizontal flow of wastewater at a constant hydraulic load of 1.44 L/day. The efficiency of ammonia nitrogen removal was analyzed for different wastewater oxygenation levels: 0–10%, 10–20%, 20–30%, 30–40% and 40–50%, maintained by controlled application of a 0.1% H2O2 solution. It was demonstrated that the gradual increase in oxygen concentration in treated wastewater due to H2O2 dosing resulted in an increase in ammonia nitrogen removal from 39.0 to 81.2%. The best removal efficiency was obtained when the oxygenation level was in the range of 30–40%. It was also shown that application of hydrogen peroxide resulted in an effective removal of biochemical oxygen demand (BOD5). The highest BOD5 removal efficiency (94.3%) was obtained at the oxygenation level of 30–40%. The results indicate that oxygenation of wastewater with hydrogen peroxide can be applied for the optimization of the nitrification process in wastewater treatment plants.

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Kategoria:
Publikacja w czasopiśmie
Typ:
artykuł w czasopiśmie wyróżnionym w JCR
Opublikowano w:
SEPARATION AND PURIFICATION TECHNOLOGY nr 173, strony 357 - 363,
ISSN: 1383-5866
Język:
angielski
Rok wydania:
2017
Opis bibliograficzny:
Jóźwiakowski K., Marzec M., Fiedurek J., Kamińska A., Gajewska M., Wojciechowska E., Wu S., Dach J., Marczuk A., Kowlaczyk-Juśko A.: Application of H2O2 to optimize ammonium removal from domestic wastewater// SEPARATION AND PURIFICATION TECHNOLOGY. -Vol. 173, (2017), s.357-363
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1016/j.seppur.2016.08.047
Weryfikacja:
Politechnika Gdańska

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