Journal
ENVIRONMENTS
Volume 8, Issue 8, Pages -Publisher
MDPI
DOI: 10.3390/environments8080085
Keywords
pharmaceuticals; advanced oxidation processes; boron doped diamond; operating parameters; water matrix; degradation; micropollutants
Categories
Funding
- European Union (European Social Fund-ESF) through the Operational Programme 'Human Resources Development, Education and Lifelong Learning 2014-2020 [MIS 5050535]
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The research on the environmental applications of electrochemistry for removing pollutants, especially pharmaceuticals, from water has significantly increased in recent years. Efficiency depends on various operating parameters and combining electrochemical oxidation with other methods can be particularly effective. Strategies like using three-dimensional electrodes or electrosynthesis of hydrogen peroxide have been proposed to improve the drawbacks of electrochemical oxidation. Future researchers are advised to consider the characteristics of different drugs and the limitations of each method when designing experiments.
Nowadays, the research on the environmental applications of electrochemistry to remove recalcitrant and priority pollutants and, in particular, drugs from the aqueous phase has increased dramatically. This literature review summarizes the applications of electrochemical oxidation in recent years to decompose pharmaceuticals that are often detected in environmental samples such as carbamazapine, sulfamethoxazole, tetracycline, diclofenac, ibuprofen, ceftazidime, ciprofloxacin, etc. Similar to most physicochemical processes, efficiency depends on many operating parameters, while the combination with either biological or other physicochemical methods seems particularly attractive. In addition, various strategies such as using three-dimensional electrodes or the electrosynthesis of hydrogen peroxide have been proposed to overcome the disadvantages of electrochemical oxidation. Finally, some guidelines are proposed for future research into the applications of environmental electrochemistry for the degradation of xenobiotic compounds and micropollutants from environmental matrices. The main goal of the present review paper is to facilitate future researchers to design their experiments concerning the electrochemical oxidation processes for the degradation of micropollutants/emerging contaminants, especially, some specific drugs considering, also, the existing limitations of each process.
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