1Faculty of Environment and Natural Resources, Ho Chi Minh City University of Technology (HCMUT), 268 Ly Thuong Kiet St., Dist. 10, Ho Chi Minh City, Vietnam
2Vietnam National University Ho Chi Minh City, Linh Trung Ward, Thu Duc City, Ho Chi Minh City, Viet Nam
BibTex Citation Data :
@article{BCREC13970, author = {Nguyen Thi Cam Tien and Chau Hong Nhut and Vo Thi Thanh Thuy and Trinh Thi Bich Huyen and Lam Pham Thanh Hien and Nguyen Nhat Huy}, title = {Enhancement in Photocatalytic Efficiency of Commercial TiO2 Nanoparticles by Calcination: A Case of Doxycycline Removal}, journal = {Bulletin of Chemical Reaction Engineering & Catalysis}, volume = {17}, number = {3}, year = {2022}, keywords = {TiO2; photocatalytic; doxycycline; antibiotics; water treatment}, abstract = { In this study, the pure and calcined forms of Degussa TiO 2 were applied for photocatalytic removal of doxycycline - a broad-spectrum tetracycline antibiotic. The calcination of TiO 2 at 500 °C enhanced the photocatalytic efficiency of the TiO 2 under optimal operational conditions of 5 ppm of doxycycline, 0.25 g/L of TiO 2 , pH 6.5, 120 min, and room temperature. In addition, the changes in morphology, crystal structure, and optical properties of the materials before and after calcination were observed by scanning electron microscopy, X-ray diffraction, and UV-Visible spectroscopy. The reaction kinetics of the doxycycline removal was also investigated based on the Langmuir-Hinshelwood model with a correlation coefficient R 2 of >80%. Results showed that the photocatalytic ability of TiO 2 is stable and enhanced after being calcined at a suitable temperature of 500 °C. This opens up the potential application of TiO 2 in the treatment of emerging organic pollutants in water. Copyright © 2022 by Authors, Published by BCREC Group. This is an open access article under the CC BY-SA License ( https://creativecommons.org/licenses/by-sa/4.0 ). }, issn = {1978-2993}, pages = {486--496} doi = {10.9767/bcrec.17.3.13970.486-496}, url = {https://journal.bcrec.id/index.php/bcrec/article/view/13970} }
Refworks Citation Data :
In this study, the pure and calcined forms of Degussa TiO2 were applied for photocatalytic removal of doxycycline - a broad-spectrum tetracycline antibiotic. The calcination of TiO2 at 500 °C enhanced the photocatalytic efficiency of the TiO2 under optimal operational conditions of 5 ppm of doxycycline, 0.25 g/L of TiO2, pH 6.5, 120 min, and room temperature. In addition, the changes in morphology, crystal structure, and optical properties of the materials before and after calcination were observed by scanning electron microscopy, X-ray diffraction, and UV-Visible spectroscopy. The reaction kinetics of the doxycycline removal was also investigated based on the Langmuir-Hinshelwood model with a correlation coefficient R2 of >80%. Results showed that the photocatalytic ability of TiO2 is stable and enhanced after being calcined at a suitable temperature of 500 °C. This opens up the potential application of TiO2 in the treatment of emerging organic pollutants in water. Copyright © 2022 by Authors, Published by BCREC Group. This is an open access article under the CC BY-SA License (https://creativecommons.org/licenses/by-sa/4.0).
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