Photocatalytic Activity of ZnO-Biochar Hybrid Composites
Photodegradation of methylene blue (MB) was studied on ZnO in presence of home-made biochars prepared by different methods. MB photodegradation was performed under UV-visible irradiation to verify the scaling-up of ZnO-AC hybrid materials. It was verified that oxygenated surface groups on carbon wer...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
al-Farabi Kazakh National University
2014-11-01
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| Series: | Eurasian Chemico-Technological Journal |
| Online Access: | http://ect-journal.kz/index.php/ectj/article/view/251 |
| Summary: | Photodegradation of methylene blue (MB) was studied on ZnO in presence of home-made biochars prepared by different methods. MB photodegradation was performed under UV-visible irradiation to verify the scaling-up of ZnO-AC hybrid materials. It was verified that oxygenated surface groups on carbon were photochemically active in the photodegradation of MB and a synergy effect between both solids has been estimated from the first-order apparent rate-constants. This effect enhances the photoactivity of ZnO up to a factor about 2.5 and the difference in photoactivity in the binary materials was associated to the surface properties of AC. |
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| ISSN: | 1562-3920 2522-4867 |