TECHICAL Series MATHEMATICS • INFORMATICS • PHYSICS Series PHILOLOGY Series ECONOMIC SCIENCES Sereies EDUCATIONAL SCIENCES Series LAW AND SOCIAL SCIENCES Series
Study of Wastewater Treatment from Ecologic Storage Yard
(Studiul epurarii apelor uzate provenite dintr-un depozit ecologic)
Vol LXII • No. 3A/2010
Caşen Panaitescu
Universitatea Petrol-Gaze din Ploieşti, Bd. Bucuresti 39, Ploieşti
e-mail: c.panaitescu@gmail.com

 Keywords   wastewater treatment, storage yard, wastewater quality indicators.

 Abstract
The present paper study the wastewaters quality resulted from an ecologic storage yard in Prahova. To achieve the proposed goal, that of obtaining treated water, with parameters within the limits of Directive 91/271/EEC UWWTD for discharges in sensitive waters, the storage yard's wastewater treatment plant was monitored for a period of 6 months. The paper presents the time variation of the wastewater's quality indicators at both entrance and exit from the plant. The next 16 quality indicators of wastewater was studied at entrance and exit of wastewater treatment station: pH, suspension substances, biochemical use of oxygen at 5 days (CBO5), NH4+ , NO3- , NO2- etc; the analyses was weekly for 3 months. Also, the activated sludge's quality, from the biological phase, has been monitored.

 Rezumat
Lucrarea de faţă studiază calitatea apei uzate provenite dintr-un depozit ecologic situat în Prahova. Pentru a se atinge obiectivul propus, şi anume acela de a obţine apă epurată în limitele maxim admise descărcărilor în apele de suprafaţă -Directiva 91/271/EEC- staţia de epurare a depozitului ecologic a fost monitorizată pe o perioadă de şase luni. Lucrarea prezintă variaţia parametrilor fizico-chimici în timp atât la intrare cât şi la ieşire din treapta de epurare. De asemenea a fost monitorizată calitatea nămolului activ.



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