Zeolite supported TiO₂ for the degradation and mineralization of sulfamethoxazole under UV light irradiation

Abstract

Zeolites have been widely regarded as promising supporting host materials for the catalyst due to their unique structure, high surface area and excellent adsorption capacity. In this work, TiO2 particles were deposited on the surface of zeolite and used as catalyst for photocatalytic degradation of sulfamethoxazole in water under UV light irradiation (365 nm). XRD, Raman spectroscopy, SEM/EDS, UV-Vis diffuse reflectance spectroscopy (DRS) and BET analysis were used to investigate the physico-chemical properties of prepared catalysts. Among prepared catalysts, TiO2/Z-500 exhibited better photocatalytic performance by achieving complete sulfamethoxazole (30 mg/L) degradation after 20 min of reaction and ~18% of TOC removal after 120 min.

TiO2/Zeolite Composites for SMX Degradation under UV Irradiation

“…Zeolite is a material with distinctive properties including peculiar ion exchange [25,26], surface acidity, and inexpensive and environmentally benign nature [27,28]. Modifying TiO 2 with zeolites may provide more active surfaces and prevent clotting, significantly improving the photodegradation performance of the catalyst.…”

Construction of TiO2/g-C3N5 S-scheme heterojunction for enhanced photocatalytic degradation of organic pollutants: DFT calculation and mechanism study

“…At present, coagulation and adsorption, membrane separation and advanced oxidation techniques [7][8][9] are often used to treat antibiotic wastewater. Coagulation adsorption and membrane separation are only physical processes that achieve the transfer of antibiotics but not the degradation of antibiotics [10][11] . Advanced oxidation technology mainly generates free radical reactive groups by driving force, and the degradation of antibiotics is achieved by reactive groups with redox activity [12] .…”