Highly Efficient Photo-Degradation of Gaseous Organic Pollutants Catalyzed by Diatomite-Supported Titanium Dioxide
Abstract
:1. Introduction
2. Results and Discussion
2.1. XRD Analysis
2.2. SEM and TEM Investigations
2.3. UV-Vis Diffuse Reflectance Spectra
2.4. BET Analysis
2.5. Photoluminescence (PL) Spectra
2.6. Photocatalytic Performance of Different Catalysts
3. Experimental Section
3.1. Chemicals and Materials
3.2. Catalyst Preparation
3.3. Characterization
3.4. Evaluation of Photocatalytic Activity
4. Conclusions
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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Composition% | SiO2 | Al2O3 | Fe2O3 | K2O | CaO | MgO | Na2O | TiO2 | Other |
---|---|---|---|---|---|---|---|---|---|
Diatomite | 86.82 | 3.21 | 1.60 | 0.56 | 0.46 | 0.43 | 0.25 | 0.15 | 6.52 |
Sample | BET Specific Surface Area (m2/g) | Pore Volume (cm3/g) | Average Pore Size (nm) |
---|---|---|---|
Diatomite | 0.3202 | 0.002 | - |
Pure TiO2 | 115.7 | 0.257 | 8.8 |
0.3TiO2@diatomite | 20.6 | 0.044 | 8.5 |
0.35TiO2@diatomite | 19.6 | 0.051 | 10.3 |
0.4TiO2@diatomite | 22.3 | 0.058 | 10.5 |
0.45TiO2@diatomite | 21.7 | 0.056 | 10.4 |
0.5TiO2@diatomite | 21.0 | 0.050 | 9.5 |
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Liu, X.; He, Y.; Yang, B.; Yan, Q.; Yang, J. Highly Efficient Photo-Degradation of Gaseous Organic Pollutants Catalyzed by Diatomite-Supported Titanium Dioxide. Catalysts 2020, 10, 380. https://doi.org/10.3390/catal10040380
Liu X, He Y, Yang B, Yan Q, Yang J. Highly Efficient Photo-Degradation of Gaseous Organic Pollutants Catalyzed by Diatomite-Supported Titanium Dioxide. Catalysts. 2020; 10(4):380. https://doi.org/10.3390/catal10040380
Chicago/Turabian StyleLiu, Xuefei, Yugan He, Beibei Yang, Qi Yan, and Junjiao Yang. 2020. "Highly Efficient Photo-Degradation of Gaseous Organic Pollutants Catalyzed by Diatomite-Supported Titanium Dioxide" Catalysts 10, no. 4: 380. https://doi.org/10.3390/catal10040380