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Updated: Apr 11, 2026

A Complete Method for Evaluating the Performance of Photocatalysts for the Degradation of Antibiotics in Environmental Remediation
Published on: October 6, 2022
Photocatalytic degradation of sulfamethoxazole in aqueous solution using a floating TiO2-expanded perlite
Maciej Długosz1, Paweł Żmudzki2, Anna Kwiecień2
1Faculty of Chemistry, Jagiellonian University, Ingardena 3, 30-060 Kraków, Poland.
Abstract:
Photocatalytic degradation of an antibiotic, sulfamethoxazole (SMX), in aqueous solution using a novel floating TiO2-expanded perlite photocatalyst (EP-TiO2-773) and radiation from the near UV spectral range was studied. The process is important considering that SMX is known to be a widespread and highly persistent pollutant of water resources. SMX degradation was described using a pseudo-first-order kinetic equation according to the Langmuir-Hinshelwood model. The products of the SMX photocatalytic degradation were identified. The effect of pH on the kinetics and mechanism of SMX photocatalytic degradation was explained.
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