Využití postupu nitritace/denitritace při zpracování kalové vody jako prostředku zlepšujícího schopnost ČOV odstraňovat dusík

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60460709%3A41210%2F04%3A9123" target="_blank" >RIV/60460709:41210/04:9123 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/60460709:41210/04:7828

Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Improvement of Nitrogen Removal in WWTP by Nitritation/Denitritation of the Sludge Liquor

Popis výsledku v původním jazyce

The sludge liquor, which is commonly returned to activated sludge process in WWTP, brings high amount of ammonia there. Nitrogen can be efficiently removed from the sludge liquor before it is rejected in to the main wastewater treatment line. The ammoniaremoval from the sludge liquor helps to lower inorganic nitrogen concentrations in the WWTP effluent. The specific character of the sludge liquor enables the application of nitritation/denitritation method for separate biological treatment. The nitritation/denitritation method was tested in laboratory scale. The efficient oxidation of N-NH4+ to nitrite was achieved at a minimal nitrate production. The tests proved that it is possible to operate the nitritation/denitritation process at very high nitrogen loading rate. There are two operational alternatives of sludge liquor treatment by nitritation/denitritation method: without pH control (lower operational costs and N-removal up to 70 %) or with pH control (higher operational costs and

Název v anglickém jazyce

Improvement of Nitrogen Removal in WWTP by Nitritation/Denitritation of the Sludge Liquor

Popis výsledku anglicky

The sludge liquor, which is commonly returned to activated sludge process in WWTP, brings high amount of ammonia there. Nitrogen can be efficiently removed from the sludge liquor before it is rejected in to the main wastewater treatment line. The ammoniaremoval from the sludge liquor helps to lower inorganic nitrogen concentrations in the WWTP effluent. The specific character of the sludge liquor enables the application of nitritation/denitritation method for separate biological treatment. The nitritation/denitritation method was tested in laboratory scale. The efficient oxidation of N-NH4+ to nitrite was achieved at a minimal nitrate production. The tests proved that it is possible to operate the nitritation/denitritation process at very high nitrogen loading rate. There are two operational alternatives of sludge liquor treatment by nitritation/denitritation method: without pH control (lower operational costs and N-removal up to 70 %) or with pH control (higher operational costs and

Druh

D - Stať ve sborníku

CEP obor

DJ - Znečištění a kontrola vody

OECD FORD obor

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Projekt

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Návaznosti

Z - Vyzkumny zamer (s odkazem do CEZ)

Rok uplatnění

2004

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název statě ve sborníku

Sustain life & secure survival II, Socially and Environmentally Responsible Agribusiness

ISBN

80-213-1197-5

ISSN

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e-ISSN

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Počet stran výsledku

1

Strana od-do

0-0

Název nakladatele

Czech University of Agriculture Prague

Místo vydání

Prague

Místo konání akce

Prague

Datum konání akce

22. 9. 2004

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

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