Decolourisation of Reactive Orange 16 by activated carbon and copper oxide catalysts supported on activated carbon
Decolourisation of Reactive Orange 16 (RO16) dye by HNO3-modified activated carbons (ACs) and a copper oxide catalyst supported by modified AC (Cu-Ac) were investigated. The percentage of colour removal for AC modified with 12 M HNO3 acid (19%) was found to be lower than that of AC modified using 4...
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| Format: | Article |
| Language: | English |
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Penerbit Universiti Sains Malaysia
2010
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| Online Access: | http://psasir.upm.edu.my/id/eprint/13875/ http://psasir.upm.edu.my/id/eprint/13875/1/13875.pdf |
| _version_ | 1848842235256242176 |
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| author | Abdullah, Abdul Halim Wong, Wan Yuan Yaziz, Mohammad Ismail |
| author_facet | Abdullah, Abdul Halim Wong, Wan Yuan Yaziz, Mohammad Ismail |
| author_sort | Abdullah, Abdul Halim |
| building | UPM Institutional Repository |
| collection | Online Access |
| description | Decolourisation of Reactive Orange 16 (RO16) dye by HNO3-modified activated carbons (ACs) and a copper oxide catalyst supported by modified AC (Cu-Ac) were investigated. The percentage of colour removal for AC modified with 12 M HNO3 acid (19%) was found to be lower than that of AC modified using 4 M and 8 M HNO3, which are 23% and 22%, respectively. The Cu-AC, prepared by impregnating the 4 M HNO3-modified AC with copper nitrate solution for a 5 wt% of Cu followed by calcination at 500°C in an N2 atmosphere, shows the highest percentage of removal (63%) compared to the modified and the heat-treated modified AC. Decolourisation of RO16 by the Cu catalyst increases in the presence of H2O2 and UV-light. The decolourisation efficiency of the catalyst under four different conditions was observed to have the following order: Cu-AC/H2O2/UV > Cu-AC/H2O2 > Cu-ACN/UV ≈ Cu-AC. |
| first_indexed | 2025-11-15T07:55:54Z |
| format | Article |
| id | upm-13875 |
| institution | Universiti Putra Malaysia |
| institution_category | Local University |
| language | English |
| last_indexed | 2025-11-15T07:55:54Z |
| publishDate | 2010 |
| publisher | Penerbit Universiti Sains Malaysia |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | upm-138752016-11-29T05:01:00Z http://psasir.upm.edu.my/id/eprint/13875/ Decolourisation of Reactive Orange 16 by activated carbon and copper oxide catalysts supported on activated carbon Abdullah, Abdul Halim Wong, Wan Yuan Yaziz, Mohammad Ismail Decolourisation of Reactive Orange 16 (RO16) dye by HNO3-modified activated carbons (ACs) and a copper oxide catalyst supported by modified AC (Cu-Ac) were investigated. The percentage of colour removal for AC modified with 12 M HNO3 acid (19%) was found to be lower than that of AC modified using 4 M and 8 M HNO3, which are 23% and 22%, respectively. The Cu-AC, prepared by impregnating the 4 M HNO3-modified AC with copper nitrate solution for a 5 wt% of Cu followed by calcination at 500°C in an N2 atmosphere, shows the highest percentage of removal (63%) compared to the modified and the heat-treated modified AC. Decolourisation of RO16 by the Cu catalyst increases in the presence of H2O2 and UV-light. The decolourisation efficiency of the catalyst under four different conditions was observed to have the following order: Cu-AC/H2O2/UV > Cu-AC/H2O2 > Cu-ACN/UV ≈ Cu-AC. Penerbit Universiti Sains Malaysia 2010 Article PeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/13875/1/13875.pdf Abdullah, Abdul Halim and Wong, Wan Yuan and Yaziz, Mohammad Ismail (2010) Decolourisation of Reactive Orange 16 by activated carbon and copper oxide catalysts supported on activated carbon. Journal of Physical Science, 21 (2). pp. 29-40. ISSN 1675-3402; ESSN: 2180-4230 http://web.usm.my/jps/21-2.html |
| spellingShingle | Abdullah, Abdul Halim Wong, Wan Yuan Yaziz, Mohammad Ismail Decolourisation of Reactive Orange 16 by activated carbon and copper oxide catalysts supported on activated carbon |
| title | Decolourisation of Reactive Orange 16 by activated carbon and copper oxide catalysts supported on activated carbon |
| title_full | Decolourisation of Reactive Orange 16 by activated carbon and copper oxide catalysts supported on activated carbon |
| title_fullStr | Decolourisation of Reactive Orange 16 by activated carbon and copper oxide catalysts supported on activated carbon |
| title_full_unstemmed | Decolourisation of Reactive Orange 16 by activated carbon and copper oxide catalysts supported on activated carbon |
| title_short | Decolourisation of Reactive Orange 16 by activated carbon and copper oxide catalysts supported on activated carbon |
| title_sort | decolourisation of reactive orange 16 by activated carbon and copper oxide catalysts supported on activated carbon |
| url | http://psasir.upm.edu.my/id/eprint/13875/ http://psasir.upm.edu.my/id/eprint/13875/ http://psasir.upm.edu.my/id/eprint/13875/1/13875.pdf |