2013
DOI: 10.1016/j.scitotenv.2013.05.034
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Treatment of micropollutants in municipal wastewater: Ozone or powdered activated carbon?

Abstract: Highlights• Micropollutants are efficiently removed by both ozone and powdered activated carbon• Specific substances were removed more efficiently by ozone• Powdered activated carbon effectively removed a wider range of pollutants• Both treatments significantly reduced the toxicity of WWTP effluent AbstractMany organic micropollutants present in wastewater, such as pharmaceuticals and pesticides, are poorly removed in conventional wastewater treatment plants (WWTPs). To reduce the release of these substances … Show more

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Cited by 684 publications
(570 citation statements)
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References 120 publications
(148 reference statements)
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“…In this sense, these compounds are not likely to be degraded in real WWTP, which can explain why they are found in WWTP discharges. [58][59][60] The Zahn-Wellens test was used to evaluate the inherent biodegradability only with compounds not biodegradable according to the fast biodegradability test. Biodegradation and TOC reduction of chlorinated compounds and additives is shown in Figure 2.…”
Section: Biodegradabilitymentioning
confidence: 99%
“…In this sense, these compounds are not likely to be degraded in real WWTP, which can explain why they are found in WWTP discharges. [58][59][60] The Zahn-Wellens test was used to evaluate the inherent biodegradability only with compounds not biodegradable according to the fast biodegradability test. Biodegradation and TOC reduction of chlorinated compounds and additives is shown in Figure 2.…”
Section: Biodegradabilitymentioning
confidence: 99%
“…The presence of polar organic micropollutants such as pharmaceuticals and pesticides in wastewater, their poor removal in municipal wastewater treatment plants (WWTPs), and their potential impact on aquatic organisms motivate development of new treatment processes able to deal with these substances [1][2][3][4]. Bio-oxidation of these pollutants, catalyzed by oxidative enzymes such as laccase, is a potentially attractive treatment option [5].…”
Section: Introductionmentioning
confidence: 99%
“…More specifically, the degradation kinetics follow a similar trend to the content of suspended matter and organic content in the effluents, as well as the alkalinity of the matrix, an indicator of (bi)carbonates content and therefore a precursor of HO scavenging. As shown in [43][44][45], the physicochemical characteristics of the effluents measured, verify a trend, as the MBBR effluents have the best characteristics for applying AOPs, followed by AS and then CF. Concerning the experiments in human urine, based on manufacturer, medical and pharmaco-kinetical data, we have found that the normal dose of Venlafaxine (as Effexor) for patients is 75 mg/-day and can reach up to 150 mg/day in severe cases.…”
Section: Experiments In Real Secondary Wastewater Effluents and Humanmentioning
confidence: 60%
“…As far as the initial content is concerned, the similar values in AS and MBBR have been recently verified [45] and the close values in CF effluents are a result of the low solubility and the hydrophobicity, as expressed by the logk ow ; VFA tends to adsorb to the generated flocs and is ''removed" by settling. More specifically, the degradation kinetics follow a similar trend to the content of suspended matter and organic content in the effluents, as well as the alkalinity of the matrix, an indicator of (bi)carbonates content and therefore a precursor of HO scavenging.…”
Section: Experiments In Real Secondary Wastewater Effluents and Humanmentioning
confidence: 77%