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Titolo:
Evolution of the Southpest Wastewater Treatment Plant
Autore:
Jobbagy, A; Literathy, B; Farkas, F; Garai, G; Kovacs, G;
Indirizzi:
Tech Univ Budapest, Dept Agr Chem Technol, H-1521 Budapest, Hungary Tech Univ Budapest Budapest Hungary H-1521 nol, H-1521 Budapest, Hungary Budapest Municipal Sewerage Co Ltd, H-1056 Budapest, Hungary Budapest Municipal Sewerage Co Ltd Budapest Hungary H-1056 pest, Hungary
Titolo Testata:
WATER SCIENCE AND TECHNOLOGY
fascicolo: 9, volume: 41, anno: 2000,
pagine: 7 - 14
SICI:
0273-1223(2000)41:9<7:EOTSWT>2.0.ZU;2-D
Fonte:
ISI
Lingua:
ENG
Keywords:
activated sludge; bioreactor configuration; phosphorus removal; series arrangement;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Citazioni:
3
Recensione:
Indirizzi per estratti:
Indirizzo: Jobbagy, A Tech Univ Budapest, Dept Agr Chem Technol, Szt Gellert Ter 4, H-1521 Budapest, Hungary Tech Univ Budapest Szt Gellert Ter 4 Budapest Hungary H-1521 y
Citazione:
A. Jobbagy et al., "Evolution of the Southpest Wastewater Treatment Plant", WATER SCI T, 41(9), 2000, pp. 7-14

Abstract

The treated effluent of the Southpest Wastewater Treatment Plant is discharged into a small, low-flow branch of the Danube susceptible to eutrophication. The first, high-load activated sludge system with a hydraulic retention time of 2.5 hrs in the aerated basins, was installed here in 1966. The paper presents the evolution of the technology by illustrating the effects ofthe different changes carried out since 1991. Reconfiguration of the existing activated sludge basins connected originally in parallel into an arrangement of tanks in series increased the settleability of the sludge as well as the efficiency of COD removal significantly. Introduction of an anaerobic zone preceding the aerated basins facilitated biological excess phosphorus removal with a consequent release in the thickener and digester. Introducing lime addition into the recycled sludge processing wastes significantly improved the performance of the system. However, since there had been no provision built for eliminating the nitrate content of the recycled sludge, efficiency of phosphorus removal proved to be dependent on the eventually occurring nitrification. In order to achieve both an effective nitrogen and phosphorus removal the current technology established in 1999 applies a nitrification and a denitrification filter following the activated sludge unit and uses precipitationfor phosphorus removal.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 08/08/20 alle ore 16:07:29