Strategies for achieving energy neutrality in biological nutrient removal systems - a case study of the Slupsk WWTP (northern Poland)

Abstrakt

The paper presents a model-based evaluation of technological upgrades on the energy and cost balance in a large biological nutrient removal wastewater treatment plant (WWTP) in the city of Slupsk (northern Poland). The proposed upgrades include chemically enhanced primary sludge removal and reduction of the nitrogen load in the deammonification process employed for reject water treatment. Simulations enabled to estimate the increased biogas generation and decreased energy consumption for aeration. The proposed upgrades may lead the studied WWTP from the energy deficit to energy neutrality and positive cost balance, while still maintaining the required effluent standards for nitrogen. The operating cost balance depends on the type of applied coagulants/ flocculants and specific costs of electric energy. The choice of the coagulant/ flocculant was found as the main factor determining a positive cost balance.

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Informacje szczegółowe

Kategoria: Publikacja w czasopiśmie
Typ: artykuł w czasopiśmie wyróżnionym w JCR
Opublikowano w: WATER SCIENCE AND TECHNOLOGY nr 75, wydanie 3, strony 727 - 740,
ISSN: 0273-1223
Język: angielski
Rok wydania: 2017
Opis bibliograficzny: Zaborowska E., Czerwionka K., Mąkinia J.: Strategies for achieving energy neutrality in biological nutrient removal systems - a case study of the Slupsk WWTP (northern Poland)// WATER SCIENCE AND TECHNOLOGY. -Vol. 75, iss. 3 (2017), s.727-740
DOI: 10.2166/wst.2016.564
wyświetlono 11 razy
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