Research on the Coating Method of TiO2 Nanotubes on Quartz Tubes and Investigate the Ethanol Degradation

Tran Duc Khanh, Vu Ha Giang, Trinh Thi Phong Huong, Vu Thanh Luan, Nguyen Thi Lan, Dao Thi Thu Thuy, Le Tuan Anh, Pham Thanh Dong, Nguyen Thi Minh Chau, Le Thi Hoang Oanh, Hoang Van Ha

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Published Dec 7, 2021
DOI: https://doi.org/10.25073/2588-1140/vnunst.5268

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KHANH, Tran Duc et al. Research on the Coating Method of TiO2 Nanotubes on Quartz Tubes and Investigate the Ethanol Degradation. VNU Journal of Science: Natural Sciences and Technology, [S.l.], v. 37, n. 4, dec. 2021. ISSN 2588-1140. Available at: <https://js.vnu.edu.vn/NST/article/view/5268>. Date accessed: 27 dec. 2024. doi: https://doi.org/10.25073/2588-1140/vnunst.5268.
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Vol 37 No 4
Section
Original Articles

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Abstract

Titanium dioxide (TiO2) is widely applied in the field of pollution treatment due to its good catalytic properties and being an environmentally friendly material. In this study, TiO2 nanotubes were prepared from commercial TiO2 particles. The effects of carboxymethyl cellulose (CMC) and liquid glass (sodium silicate) on catalyst activity and catalyst adhesion on quartz tubes were investigated. Transmission microscopy (TEM), scanning microscope (SEM), X-ray diffraction (XRD), X-ray energy dispersive spectroscopy, Fourier transform infrared spectroscopy (FT-IR) were used for the characterization of the catalyst. In this study, the ethanol degradation ability of the catalyst, which was added with 0; 0.5; 1, and 1.5% liquid glass and calcined at 400 and 500oC, was determined. TiO2 nanotubes after preparation have a uniform diameter from 10-12 nm and an average length of about 150nm, specific surface area increases markedly compared to commercial granules (nearly 15 times). The results showed that CMC plays an important role in the thickness and distribution of TiO2 on the quartz surface. Liquid glass significantly affects the ethanol degradation efficiency.

Keywords: Scientific publications, data science, data analysis.

References

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