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| Content Provider | IET Digital Library |
|---|---|
| Author | Koohestani, Hassan Hassanabadi, Mohammad Mansouri, Hamed Pirmoradian, Abbas |
| Abstract | The growing increase of industrial wastewater, environmental contaminations, and the necessity of clean water has stressed the importance of removing pollutants. One of the effective means of removing pollutants from water and wastewater is by utilising zeolite. Zeolite, despite possessing unique photophysical properties (such as numerous fine cavities, the high capability to adsorb, and chemical–thermal stability), represents some limitations when being used. Depositing photocatalysts on zeolite particles to improve its removal potential is of much interest. In this work, therefore, TiO2 nanoparticles were deposited on fine particles of zeolite. Zeolite/TiO2 composites were evaluated by X-ray diffractometer, scanning electron microscope, Brunauer–Emmett–Teller, diffuse reflectance spectroscopy analyses. The results indicate that the presence of TiO2 nanoparticles reduces the specific surface area. However, it causes the ability to absorb UV light. Increasing the amount of TiO2 any further will bring about a redshift in absorption edge. Photocatalytic properties of the composites were assessed by methyl orange and cyanide ion removal examination. The 10%TiO2 composite with the specific surface area of 34 m2/g and bandgap energy of 3.3 eV showed to be the most efficient. The superior photocatalytic performance of 10%TiO2 sample was confirmed by the examination of producing hydrogen from water/methanol. |
| Starting Page | 669 |
| Ending Page | 673 |
| Page Count | 5 |
| Volume Number | 14 |
| e-ISSN | 17500443 |
| Issue Number | Issue 6, May (2019) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/mnl/14/6 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/mnl.2018.5754 |
| Journal | Micro & Nano Letters |
| Publisher Date | 2019-05-29 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Adsorption Bandgap Energy Brunauer–Emmett–Teller Catalysis Chemical-thermal Stability Clean Water Cyanide Ion Removal Examination Diffuse Reflectance Spectroscopy Analyses Environmental Contaminations Environmental Issues Environmental Science Heterogeneous Catalysis at SurFace And Other Surface Reactions Industrial Processes Industrial Wastewater Methanol Methyl Orange Nanofabrication Nanoparticle Natural Zeolite-TiO2 CompoSite Photocatalytic Performance Photocatalytic Property Photochemistry Photophysical Property Removal Potential Scanning Electron Microscopy Semiconductor Material Surface Area Thermal Stability TiO2 Titanium Compound Ultraviolet Spectra Visible Spectra Wastewater Treatment Water X-Ray Diffraction X-Ray Diffractometer Zeolite Particle Zeolites |
| Content Type | Text |
| Resource Type | Article |
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