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

Sari, Sevgi; Ozdemir, Gamze; Yangin‐Gomec, Cigdem; Zengin, Gülsüm Emel; Topuz, Emel; Aydın, Egemen; Pehlivanoğlu-Mantaş, Elif; Taş, Didem Okutman

doi:10.1016/j.jhazmat.2014.03.015

Cited by 48 publications

(21 citation statements)

References 49 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…Only minor seasonal differences were observed with lower pharmaceutical concentrations in summer. This might have resulted from a greater degradation of substances in the WWTP due to high temperatures or lower consumption of some pharmaceuticals during the summer season [49,50].…”

Section: Seasonal and Spatial Variationmentioning

confidence: 99%

Mixture toxicity in the Erft River: assessment of ecological risks and toxicity drivers

et al. 2020

View full text Add to dashboard Cite

Background: A vast number of chemical substances are released into the aquatic environment, leading to complex chemical mixtures in surface waters. Current water quality assessments, however, are based on the risk assessment of single substances. To consider potential mixture effects in water quality assessments, the North Rhine Westphalian State Agency for Nature, Environment and Consumer Protection (LANUV), Germany started a project assessing mixture toxicity in surface waters. This article summarises the mixture evaluation of chemical data collected by the Erftverband during a water sampling campaign in the Erft River in 2016/2017. Altogether, 153 substances were included in the analysis, of which 98 were detected. Two different approaches based on the concept of concentration addition were used to analyse the data. The results were compared to findings based on datasets from LANUV surveillance monitoring according to the EU Water Framework Directive. Results: Acute and chronic mixture risk calculations indicated risks for 32% and up to 90% of the samples, respectively. The greatest acute toxic pressure was identified for the aquatic flora due to continuous exposure to varying pesticides, whereas the greatest chronic mixture risk was identified for fish as result of a ubiquitous presence of the pharmaceuticals diclofenac and ibuprofen. Overall, only a limited number of substances significantly contributed to the calculated mixture risks. However, these substances varied seasonally and regionally. When mixture risks were calculated based on different datasets, the monitoring design markedly affected the outcome of the mixture risk assessment. Data gaps of both ecotoxicological and exposure data lead to high uncertainties in the mixture risk assessment. Conclusions: Ecotoxicological effects on aquatic organisms caused by chemical mixtures can be expected along the Erft River throughout the year. Both mixture risk assessment approaches can be used for a conservative assessment of mixture risks and characterise the aquatic pollution in the river more realistically than single substance assessments. For the integration of mixture risk evaluations into the assessment and management of the chemical water quality, a two-staged assessment combining both approaches is suggested. To improve future risk assessments, the accessibility and exchange of high-quality ecotoxicological data should be enhanced.

show abstract

Section: Seasonal and Spatial Variationmentioning

confidence: 99%

Mixture toxicity in the Erft River: assessment of ecological risks and toxicity drivers

et al. 2020

View full text Add to dashboard Cite

show abstract

“…where: C infl and C effl are the concentrations obtained for the raw influent and final effluent, respectively (Sari et al, 2014).…”

Section: Removal Efficiency For Target Compounds From Wastewater Treamentioning

confidence: 99%

Simultaneous determination of naproxen, ibuprofen and diclofenac in wastewater using solid-phase extraction with high performance liquid chromatography

Madikizela

Chimuka

2017

WSA

View full text Add to dashboard Cite

“…In this context, degradation of dyes by chemical or biological oxidation is suitable and has been widely explored [8,9]. However, new generation dyes are synthesized to resist microbial attack and as a result conventional biological wastewater treatment is inefficient for their degradation [14,15]. To overcome this problem, treatment of hazardous organic pollutants such as dyes in water is done by using nanoparticles.…”

Section: Introductionmentioning

confidence: 99%

Comparative study of catalytic activity of ZrO2 nanoparticles for sonocatalytic and photocatalytic degradation of cationic and anionic dyes

Bansal

Chaudhary

Mehta

2015

Chemical Engineering Journal

150

View full text Add to dashboard Cite

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

Cited by 48 publications

References 49 publications

Mixture toxicity in the Erft River: assessment of ecological risks and toxicity drivers

Mixture toxicity in the Erft River: assessment of ecological risks and toxicity drivers

Simultaneous determination of naproxen, ibuprofen and diclofenac in wastewater using solid-phase extraction with high performance liquid chromatography

Comparative study of catalytic activity of ZrO2 nanoparticles for sonocatalytic and photocatalytic degradation of cationic and anionic dyes

Contact Info

Product

Resources

About