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Journal ArticleDOI

Occurrence and behavior of pesticides in wastewater treatment plants and their environmental impact.

TL;DR: The most significant pesticides in terms of concentration and frequency of detection were diazinon and diuron, followed by atrazine, simazine and malathion, which were also the most relevant from the environmental point of view, according to the calculated ERPWI.
About: This article is published in Science of The Total Environment.The article was published on 2013-08-01. It has received 300 citations till now. The article focuses on the topics: Wastewater & Pesticide.
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Journal ArticleDOI
TL;DR: This review provides a summary of the recent occurrence of micropollutants in the aquatic environment including sewage, surface water, groundwater and drinking water.

2,933 citations


Cites background from "Occurrence and behavior of pesticid..."

  • ...Due to the fact that pesticides have been typically considered of agricultural rather than of urban origin, few studies have been performed at real plant scale and most of reported plants coincide in showing insufficient removal of pesticides (Köck-Schulmeyer et al., 2013)....

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  • ...Köck-Schulmeyer et al. (2013); 13....

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  • ...The negative removal has also been ascribed to the daily concentration fluctuations during the sampling period, the analytical uncertainty, or desorption of molecules from sludge and suspended particulate matter (Clara et al., 2004; Köck-Schulmeyer et al., 2013)....

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  • ...Due to the fact that pesticides have been typically considered of agricultural rather than of urban origin, few studies have been performed at real plant scale andmost of reported plants coincide in showing insufficient removal of pesticides (Köck-Schulmeyer et al., 2013)....

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  • ...The negative removal has also been ascribed to the daily concentration fluctuations during the sampling period, the analytical uncertainty, or desorption of molecules from sludge and suspended particulate matter (Clara et al., 2004 and Köck-Schulmeyer et al., 2013)....

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Journal ArticleDOI
TL;DR: The main purpose of this review paper is to provide a current summary of recent progress in perovskite materials for use in these important areas and to provide some useful guidelines for future development in these hot research areas.
Abstract: Meeting the growing global energy demand is one of the important challenges of the 21st century. Currently over 80% of the world's energy requirements are supplied by the combustion of fossil fuels, which promotes global warming and has deleterious effects on our environment. Moreover, fossil fuels are non-renewable energy and will eventually be exhausted due to the high consumption rate. A new type of alternative energy that is clean, renewable and inexpensive is urgently needed. Several candidates are currently available such as hydraulic power, wind force and nuclear power. Solar energy is particularly attractive because it is essentially clean and inexhaustible. A year's worth of sunlight would provide more than 100 times the energy of the world's entire known fossil fuel reserves. Photocatalysis and photovoltaics are two of the most important routes for the utilization of solar energy. However, environmental protection is also critical to realize a sustainable future, and water pollution is a serious problem of current society. Photocatalysis is also an essential route for the degradation of organic dyes in wastewater. A type of compound with the defined structure of perovskite (ABX3) was observed to play important roles in photocatalysis and photovoltaics. These materials can be used as photocatalysts for water splitting reaction for hydrogen production and photo-degradation of organic dyes in wastewater as well as for photoanodes in dye-sensitized solar cells and light absorbers in perovskite-based solar cells for electricity generation. In this review paper, the recent progress of perovskites for applications in these fields is comprehensively summarized. A description of the basic principles of the water splitting reaction, photo-degradation of organic dyes and solar cells as well as the requirements for efficient photocatalysts is first provided. Then, emphasis is placed on the designation and strategies for perovskite catalysts to improve their photocatalytic activity and/or light adsorption capability. Comments on current and future challenges are also provided. The main purpose of this review paper is to provide a current summary of recent progress in perovskite materials for use in these important areas and to provide some useful guidelines for future development in these hot research areas.

661 citations

Journal ArticleDOI
TL;DR: In this paper, the authors compared the effectiveness of various visible light activated TiO2 photocatalysts for treating contaminants of emerging concern (CECs), endocrine disrupting compounds (EDCs), bacteria and cyanotoxins.

486 citations

Journal ArticleDOI
TL;DR: Technological solutions including conventional activated sludge, membrane bioreactors, moving bed biofilm reactors, and nature-based solutions such as constructed wetlands are compared for the achievable removal efficiencies of the selected CEC and their potential of acting as reservoirs of ARB&ARGs.

312 citations

Journal ArticleDOI
TL;DR: The paper aims at contributing to explore how ARB&ARGs behave in UWTPs having in mind that each plant is a unique system that will probably need a specific procedure to maximize ARB &ARGs removal.

297 citations

References
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Journal ArticleDOI
TL;DR: The ecotoxicological studies of both drugs imply that they do not easily cause acute toxic effects at their environmental concentrations, however their chronic effects need cautious attention.

1,306 citations


"Occurrence and behavior of pesticid..." refers background in this paper

  • ...Inmany cases, and as a result of themany studies carried out for pharmaceuticals in WWTPs (Gomez et al., 2007; Gracia-Lor et al., 2010; Gros et al., 2010; Jelic et al., 2011; Kasprzyk-Hordern et al., 2008; Kovalova et al., 2012; Le Corre et al., 2012; Petrovic et al., 2008, 2009; Reungoat et al., 2010; Zhang et al., 2008), the “negative” removal of organic compounds is explained by the formation of unmeasured products of human metabolism and/or transformation products that, passing through the plant, are converted back to the parent compounds (Jelic et al....

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  • ...…Jelic et al., 2011; Kasprzyk-Hordern et al., 2008; Kovalova et al., 2012; Le Corre et al., 2012; Petrovic et al., 2008, 2009; Reungoat et al., 2010; Zhang et al., 2008), the “negative” removal of organic compounds is explained by the formation of unmeasured products of human metabolism and/or…...

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Journal ArticleDOI
TL;DR: Most of the substances are incomplete and improvements of the wastewater treatment and subsequent treatments of the produced sludge are required to prevent the introduction of these micro-pollutants in the environment.

873 citations


"Occurrence and behavior of pesticid..." refers background in this paper

  • ...…cases, and as a result of themany studies carried out for pharmaceuticals in WWTPs (Gomez et al., 2007; Gracia-Lor et al., 2010; Gros et al., 2010; Jelic et al., 2011; Kasprzyk-Hordern et al., 2008; Kovalova et al., 2012; Le Corre et al., 2012; Petrovic et al., 2008, 2009; Reungoat et al., 2010;…...

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  • ...Inmany cases, and as a result of themany studies carried out for pharmaceuticals in WWTPs (Gomez et al., 2007; Gracia-Lor et al., 2010; Gros et al., 2010; Jelic et al., 2011; Kasprzyk-Hordern et al., 2008; Kovalova et al., 2012; Le Corre et al., 2012; Petrovic et al., 2008, 2009; Reungoat et al., 2010; Zhang et al., 2008), the “negative” removal of organic compounds is explained by the formation of unmeasured products of human metabolism and/or transformation products that, passing through the plant, are converted back to the parent compounds (Jelic et al....

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  • ...…2009; Reungoat et al., 2010; Zhang et al., 2008), the “negative” removal of organic compounds is explained by the formation of unmeasured products of human metabolism and/or transformation products that, passing through the plant, are converted back to the parent compounds (Jelic et al., 2011)....

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  • ..., 2008), the “negative” removal of organic compounds is explained by the formation of unmeasured products of human metabolism and/or transformation products that, passing through the plant, are converted back to the parent compounds (Jelic et al., 2011)....

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Journal ArticleDOI
TL;DR: In a long term study, a total of 84 samples from seven WWTP located in the main cities along the Ebro river Basin as well as receiving river waters were analyzed to assess the occurrence of 73 pharmaceuticals covering several medicinal classes, results indicated that pharmaceuticals are widespread pollutants in the aquatic environmental.

781 citations


"Occurrence and behavior of pesticid..." refers background in this paper

  • ...Inmany cases, and as a result of themany studies carried out for pharmaceuticals in WWTPs (Gomez et al., 2007; Gracia-Lor et al., 2010; Gros et al., 2010; Jelic et al., 2011; Kasprzyk-Hordern et al., 2008; Kovalova et al., 2012; Le Corre et al., 2012; Petrovic et al., 2008, 2009; Reungoat et al.,…...

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  • ...Inmany cases, and as a result of themany studies carried out for pharmaceuticals in WWTPs (Gomez et al., 2007; Gracia-Lor et al., 2010; Gros et al., 2010; Jelic et al., 2011; Kasprzyk-Hordern et al., 2008; Kovalova et al., 2012; Le Corre et al., 2012; Petrovic et al., 2008, 2009; Reungoat et al., 2010; Zhang et al., 2008), the “negative” removal of organic compounds is explained by the formation of unmeasured products of human metabolism and/or transformation products that, passing through the plant, are converted back to the parent compounds (Jelic et al....

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Journal ArticleDOI
TL;DR: It is demonstrated that sampling errors can lead to overinterpretation of measured data and ultimately, wrong conclusions.
Abstract: The analysis of 87 peer-reviewed journal articles reveals that sampling for pharmaceuticals and personal care products (PPCPs) and illicit drugs in sewers and sewage treatment plant influents is mostly carried out according to existing tradition or standard laboratory protocols. Less than 5% of all studies explicitly consider internationally acknowledged guidelines or methods for the experimental design of monitoring campaigns. In the absence of a proper analysis of the system under investigation, the importance of short-term pollutant variations was typically not addressed. Therefore, due to relatively long sampling intervals, potentially inadequate sampling modes, or insufficient documentation, it remains unclear for the majority of reviewed studies whether observed variations can be attributed to “real” variations or if they simply reflect sampling artifacts. Based on results from previous and current work, the present paper demonstrates that sampling errors can lead to overinterpretation of measured d...

436 citations


"Occurrence and behavior of pesticid..." refers background in this paper

  • ...Ort et al. (2010) have published recently a critical review about sampling in wastewater systems according to which, with increasing accuracy of chemical analyses, inappropriate sampling increasingly represents the major source of inaccuracy....

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Journal ArticleDOI
TL;DR: It is proposed that this index provides a measure for the potential of a polar compound to spread along a partially closed water cycle after discharge with municipal wastewater and to occur in raw waters used for drinking water production.
Abstract: The effluents of eight municipal wastewater treatment plants (WWTP) in Western Europe were analyzed by liquid-chromatography−mass spectrometry for the occurrence of 36 polar pollutants, comprising household and industrial chemicals, pharmaceuticals, and personal care products. In a long-term study of the effluents of three WWTP over 10 months, sulfophenyl carboxylates and ethylene diamino tetraacetate (EDTA) were detected above 10 μg/L on average, while benzotriazoles, benzothiazole-2-sulfonate, diclofenac, and carbamazepine showed mean concentrations of 1−10 μg/L, followed by some flame retardants, naphthalene disulfonates, and personal care products in the range of 0.1−1 μg/L. Half of the determined compounds were not significantly removed in tertiary wastewater treatment. By dividing the effluent concentration of a compound by its relative removal in WWTP a water cycle spreading index (WCSI) was calculated for each compound. We propose that this index provides a measure for the potential of a polar com...

412 citations


"Occurrence and behavior of pesticid..." refers background or methods in this paper

  • ...4 shows the average relative removal of each detected pesticide (calculated as described previously in Section 2.4), the water cycle spreading index (WCSI) calculated according to (Reemtsma et al., 2006), and the ERPWI....

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  • ...…et al., 2012-supporting information) have not taken into account their presence or elimination in WWTPs, whereas the index proposed by Reemtsma et al. (2006) for polar pollutants entering the water cycle by municipal wastewater (the Water Cycle Spreading Index, WCSI), which considers…...

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  • ...4), the water cycle spreading index (WCSI) calculated according to (Reemtsma et al., 2006), and the ERPWI....

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