Degradation characteristics of Monoazo and Diazo dye by ozone oxidation
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Universiti Malaysia Perlis (UniMAP)
2016
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| Online Access: | http://dspace.unimap.edu.my:80/xmlui/handle/123456789/42374 |
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my.unimap-423742016-07-24T07:21:22Z Degradation characteristics of Monoazo and Diazo dye by ozone oxidation Emily Chay, Lee Ann Dr. Che Zulzikrami Azner Abidin Ozone oxidation Dye Monoazo (AO7) Diazo (RG19) Degradation characteristics Access is limited to UniMAP community. The ozone oxidation was chosen to study the degradation characteristics of monoazo (AO7) and diazo (RG19) dyes. The studied was performed in a laboratory scale ozone reactor and conducted with different parameters such as initial dye concentration, contact time and pH. The performance of the dyes removal were evaluated and compared in the aspect of decolourization and mineralization. Colour, chemical oxygen demand (COD), total organic carbon (TOC) and Fourier Transform Infrared (FT-IR) analyses were employed to assist the studied. The results demonstrated that the ozone oxidation was efficient in decolourization and good in mineralization based on the reduction of COD and TOC. The mineralization performance for AO7 is better but the decolourization of RG19 is advantageously. Additionally, an instantaneous drop of pH through the ozone oxidation process indicated the formation of acidic intermediate products. This evidence was supported by the findings of carboxylic acids, sulfite and ketones in FT-IR. 2016-07-24T07:21:22Z 2016-07-24T07:21:22Z 2016-06 Learning Object http://dspace.unimap.edu.my:80/xmlui/handle/123456789/42374 en Universiti Malaysia Perlis (UniMAP) School of Environmental Engineering |
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English |
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Ozone oxidation Dye Monoazo (AO7) Diazo (RG19) Degradation characteristics |
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Ozone oxidation Dye Monoazo (AO7) Diazo (RG19) Degradation characteristics Emily Chay, Lee Ann Degradation characteristics of Monoazo and Diazo dye by ozone oxidation |
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Access is limited to UniMAP community. |
| author2 |
Dr. Che Zulzikrami Azner Abidin |
| author_facet |
Dr. Che Zulzikrami Azner Abidin Emily Chay, Lee Ann |
| format |
Learning Object |
| author |
Emily Chay, Lee Ann |
| author_sort |
Emily Chay, Lee Ann |
| title |
Degradation characteristics of Monoazo and Diazo dye by ozone oxidation |
| title_short |
Degradation characteristics of Monoazo and Diazo dye by ozone oxidation |
| title_full |
Degradation characteristics of Monoazo and Diazo dye by ozone oxidation |
| title_fullStr |
Degradation characteristics of Monoazo and Diazo dye by ozone oxidation |
| title_full_unstemmed |
Degradation characteristics of Monoazo and Diazo dye by ozone oxidation |
| title_sort |
degradation characteristics of monoazo and diazo dye by ozone oxidation |
| publisher |
Universiti Malaysia Perlis (UniMAP) |
| publishDate |
2016 |
| url |
http://dspace.unimap.edu.my:80/xmlui/handle/123456789/42374 |
| _version_ |
1643799966200627200 |