Degradation of high level m-cresol by zinc oxide as photocatalyst
In this study, the high concentration of m-cresol as a sample of organic pollutants was degraded in the presence of zinc oxide and UV irradiation during 6 h at laboratory scales. The amount of photocatalyst, pH and m-cresol concentration were considered as effective factors on the photodegradation....
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
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Wiley-VCH Verlag
2014
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| Online Access: | http://psasir.upm.edu.my/id/eprint/36974/1/Degradation%20of%20high%20level%20m.pdf |
| _version_ | 1825948946242994176 |
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| author | Abdollahi, Yadollah Zakaria, Azmi Sairi, Nor Asrina |
| author_facet | Abdollahi, Yadollah Zakaria, Azmi Sairi, Nor Asrina |
| author_sort | Abdollahi, Yadollah |
| collection | UPM |
| description | In this study, the high concentration of m-cresol as a sample of organic pollutants was degraded in the presence of zinc oxide and UV irradiation during 6 h at laboratory scales. The amount of photocatalyst, pH and m-cresol concentration were considered as effective factors on the photodegradation. The demineralization of m-cresol was measured by UV–Vis spectrophotometry while the total organic carbon-analyzer was used to determine the mineralization. The ultrahigh performance LC was used to identify probable intermediates. The results showed optimum condition at pH 7–9, which is the natural pH of industrial wastewater. Moreover, 100% of m-cresol was removed after 5 h of irradiation time, which is quite significant. The detected intermediates were 3,5-hydroxytoluene, 2,5-hydroxy-benzaldehyde, and 3-hydroxy-benzaldehyde after 3 h of reaction time. Reusability of the photocatalyst showed insignificant reduction in the photo-catalytic performance. In conclusion, this investigation indicated high potential of zinc oxide suspension to remove high level concentration of m-cresol under UV irradiation. |
| first_indexed | 2024-03-06T08:36:55Z |
| format | Article |
| id | upm.eprints-36974 |
| institution | Universiti Putra Malaysia |
| language | English |
| last_indexed | 2024-03-06T08:36:55Z |
| publishDate | 2014 |
| publisher | Wiley-VCH Verlag |
| record_format | dspace |
| spelling | upm.eprints-369742015-08-21T07:52:31Z http://psasir.upm.edu.my/id/eprint/36974/ Degradation of high level m-cresol by zinc oxide as photocatalyst Abdollahi, Yadollah Zakaria, Azmi Sairi, Nor Asrina In this study, the high concentration of m-cresol as a sample of organic pollutants was degraded in the presence of zinc oxide and UV irradiation during 6 h at laboratory scales. The amount of photocatalyst, pH and m-cresol concentration were considered as effective factors on the photodegradation. The demineralization of m-cresol was measured by UV–Vis spectrophotometry while the total organic carbon-analyzer was used to determine the mineralization. The ultrahigh performance LC was used to identify probable intermediates. The results showed optimum condition at pH 7–9, which is the natural pH of industrial wastewater. Moreover, 100% of m-cresol was removed after 5 h of irradiation time, which is quite significant. The detected intermediates were 3,5-hydroxytoluene, 2,5-hydroxy-benzaldehyde, and 3-hydroxy-benzaldehyde after 3 h of reaction time. Reusability of the photocatalyst showed insignificant reduction in the photo-catalytic performance. In conclusion, this investigation indicated high potential of zinc oxide suspension to remove high level concentration of m-cresol under UV irradiation. Wiley-VCH Verlag 2014-09 Article PeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/36974/1/Degradation%20of%20high%20level%20m.pdf Abdollahi, Yadollah and Zakaria, Azmi and Sairi, Nor Asrina (2014) Degradation of high level m-cresol by zinc oxide as photocatalyst. CLEAN - Soil, Air, Water, 42 (9). pp. 1292-1297. ISSN 1863-0605; ESSN:1863-0669 10.1002/clen.201300451 |
| spellingShingle | Abdollahi, Yadollah Zakaria, Azmi Sairi, Nor Asrina Degradation of high level m-cresol by zinc oxide as photocatalyst |
| title | Degradation of high level m-cresol by zinc oxide as photocatalyst |
| title_full | Degradation of high level m-cresol by zinc oxide as photocatalyst |
| title_fullStr | Degradation of high level m-cresol by zinc oxide as photocatalyst |
| title_full_unstemmed | Degradation of high level m-cresol by zinc oxide as photocatalyst |
| title_short | Degradation of high level m-cresol by zinc oxide as photocatalyst |
| title_sort | degradation of high level m cresol by zinc oxide as photocatalyst |
| url | http://psasir.upm.edu.my/id/eprint/36974/1/Degradation%20of%20high%20level%20m.pdf |
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