Removal of Paracetamol from Aqueous Solutions by Photocatalytic Ozonation over TiO2-MexOy Thin Films

Author:

Avramescu Sorin MariusORCID,Fierascu IrinaORCID,Fierascu Radu ClaudiuORCID,Brazdis Roxana Ioana,Nica Angel Vasile,Butean Claudia,Olaru Elena Alina,Ulinici Sorin,Verziu Marian NicolaeORCID,Dumitru AncaORCID

Abstract

Analgesics and nonsteroidal anti-inflammatory drugs (NSAIDs) such as paracetamol, diclofenac, and ibuprofen are frequently encountered in surface and ground water, thereby posing a significant risk to aquatic ecosystems. Our study reports the catalytic performances of nanosystems TiO2-MexOy (Me = Ce, Sn) prepared by the sol-gel method and deposited onto glass slides by a dip-coating approach in the removal of paracetamol from aqueous solutions by catalytic ozonation. The effect of catalyst type and operation parameters on oxidation efficiency was assessed. In addition to improving this process, the present work simplifies it by avoiding the difficult step of catalyst separation. It was found that the thin films were capable of removing all pollutants from target compounds to the oxidation products.

Funder

Unitatea Executiva Pentru Finantarea Invatamantului Superior a Cercetarii Dezvoltarii si Inovarii

Romanian Ministry of Research and Innovation, MCI

Publisher

MDPI AG

Subject

General Materials Science,General Chemical Engineering

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