期刊
RESULTS IN ENGINEERING
卷 14, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.rineng.2022.100443
关键词
TiO2; CeO2; Urea; Acetaminophem; Mixture design
资金
- PRODEP [UJAT-PTC-287]
The effect of urea on the photodegradation of TiO2-CeO2 and paracetamol was studied using simplex-centroid mixture analysis. The results showed that urea influenced particle morphology and bandgap, while the surface area of the samples depended on their crystallinity. The value of the kinetic constant increased with the amount of urea, and the selectivity to CO2 was controlled by cerium oxide.
We studied the effect of urea on TiO2-CeO2 and paracetamol photodegradation. The contribution of TiO2, CeO2, and urea was analyzed by simplex-centroid mixture. Solid-state combustion at 500 C was the method of synthesis. All samples were characterized by X-ray diffraction, nitrogen adsorption/desorption, Uv spectroscopy, and scanning electron spectroscopy (SEM). According to the results, urea influences particle morphology. Bandgap decreases due to interactions with residual urea carbon. The surface area depended on the crystallinity of the samples. The value of the kinetic constant increased as a function of the amount of urea. The selectivity to CO2 was the roll of cerium oxide.
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