Seasonal variation of diclofenac concentration and its relation with wastewater characteristics at two municipal wastewater treatment plants in Turkey

Sevgi Sari, Gamze Ozdemir, Cigdem Yangin-Gomec, Gulsum Emel Zengin, Emel Topuz, Egemen Aydin, Elif Pehlivanoglu-Mantas, Didem Okutman Tas*

*Bu çalışma için yazışmadan sorumlu yazar

Araştırma sonucu: ???type-name???Makalebilirkişi

45 Atıf (Scopus)

Özet

The pharmaceutically active compound diclofenac has been monitored during one year at separate treatment units of two municipal wastewater treatment plants (WWTPs) to evaluate its seasonal variation and the removal efficiency. Conventional wastewater characterization was also performed to assess the possible relationship between conventional parameters and diclofenac. Diclofenac concentrations in the influent and effluent of both WWTPs were detected in the range of 295-1376 and 119-1012. ng/L, respectively. Results indicated that the higher diclofenac removal efficiency was observed in summer season in both WWTPs. Although a consistency in diclofenac removal was observed in WWTP_1, significant fluctuation was observed at WWTP_2 based on seasonal evaluation. The main removal mechanism of diclofenac in the WWTPs was most often biological (55%), followed by UV disinfection (27%). When diclofenac removal was evaluated in terms of the treatment units in WWTPs, a significant increase was achieved at the treatment plant including UV disinfection unit. Based on the statistical analysis, higher correlation was observed between diclofenac and suspended solids concentrations among conventional parameters in the influent whereas the removal of diclofenac was highly correlated with nitrogen removal efficiency.

Orijinal dilİngilizce
Sayfa (başlangıç-bitiş)155-164
Sayfa sayısı10
DergiJournal of Hazardous Materials
Hacim272
DOI'lar
Yayın durumuYayınlandı - 15 May 2014

Finansman

This research was supported by The Scientific and Technological Research Council of Turkey (TUBITAK) Research Project (Number: 110Y319). The authors also acknowledge the Istanbul Water and Sewerage Administration (ISKI) for supplying wastewater samples.

FinansörlerFinansör numarası
TUBITAK110Y319
Türkiye Bilimsel ve Teknolojik Araştirma Kurumu

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