An overview on the advanced oxidation processes applied for the treatment of water pollutants defined in the recently launched Directive 2013/39/EU.

Occurrence and removal of organic micropollutants: An overview of the watch list of EU Decision 2015/495

Reduction of antibiotic resistance genes in municipal wastewater effluent by advanced oxidation processes.

β-lactams resistance gene quantification in an antibiotic resistant Escherichia coli water suspension treated by advanced oxidation with UV/H 2 O 2 .

DOI: 10.2174/1385272821666170103162 813 Abstract: Year-by-year, the amount of antibiotics for human and veterinary use increases. Their presence in both treated and untreated wastewater was highlighted in several studies, suggesting that traditional activated sludge processes are unsuitable for their efficient removal. In this review paper, we summarized the role of advanced oxidation processes (AOPs) in antibiotics removal evidencing their pros, cons and limitations. In most cases, they are still applied at laboratory or pilot scale, with just few examples of full-scale applications. Main constraints are related to energy cost, catalyst management and potential residual toxicity in treated effluents. The main advantages are related to the full mineralization of target compounds or the ability to increase their relative biodegradability. Future challenges include nano-based green synthetized catalysts maximizing the use of solar radiation for energy saving. Generally, AOPs application is part of a more structured wastewater treatment process including operating units at various technological contents.

Advanced oxidation processes for antibiotics removal: A review

Alternative water sources, including effluents from municipal wastewater treatment plants (MWTP) are necessary to meet increasing water demand. Advanced oxidation processes based on the Fenton reaction were applied to remove atrazine from the secondary effluents of a MWTP that uses activated sludge. Fenton, UV-A photo-Fenton, and UV-C photo-Fenton treatments were tested. Atrazine removal percentages were around 20% for Fenton, 60% for UV-A photo-Fenton and 70% for UV-C photo-Fenton treatments, respectively. Organic matter mineralization by Fenton treatment was monitored and no significant reduction was observed. However, organic matter oxidation in terms of COD reduction of around 30 and 40% were achieved by Fenton and photo-Fenton processes, respectively. The photo-Fenton process with UV-C is a useful technique for atrazine degradation, leading to higher degradation than with UV-A while also being more attractive in an economic point of view.

Atrazine Removal in Municipal Secondary Effluents by Fenton and Photo-Fenton Treatments

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Atrazine Removal in Municipal Secondary Effluents by Fenton and Photo-Fenton Treatments