Solar photocatalytic degradation of mono azo methyl orange and diazo reactive green 19 in single and binary dye solutions: Adsorbability vs photodegradation rate
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Springer-Verlag Berlin Heidelberg
2013
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my.unimap-309142013-12-31T07:56:43Z Solar photocatalytic degradation of mono azo methyl orange and diazo reactive green 19 in single and binary dye solutions: Adsorbability vs photodegradation rate Ong, Soon An, Dr. Ohm, Mar Min Ho, Li Ngee, Dr. Wong, Yee Shian saong@unimap.edu.my ohmohm84@gmail.com lnho@unimap.edu.my yswong@unimap.edu.my Adsorbability Azo dye Binary solution Solar photocatalytic Sulfonate group Link to publisher's homepage at http://link.springer.com/ The objective of this study was to examine the effects of adsorbability and number of sulfonate group on solar photocatalytic degradation of mono azo methyl orange (MO) and diazo Reactive Green 19 (RG19) in single and binary dye solutions. The adsorption capacity of MO and RG19 onto the TiO2 was 16. 9 and 26. 8 mg/g, respectively, in single dye solution, and reduced to 5. 0 and 23. 1 mg/g, respectively, in the binary dye solution. The data obtained for photocatalytic degradation of MO and RG19 in single and binary dye solution were well fitted with the Langmuir-Hinshelwood kinetic model. The pseudo-first-order rate constants of diazo RG19 were significant higher than the mono azo MO either in single or binary dye solutions. The higher number of sulfonate group in RG19 contributed to better adsorption capacity onto the surface of TiO2 than MO indicating greater photocatalytic degradation rate 2013-12-31T07:56:43Z 2013-12-31T07:56:43Z 2013-05 Article Environmental Science and Pollution Research, vol. 20(5), 2013, pages 3405-3413 0944-1344 http://link.springer.com/article/10.1007%2Fs11356-012-1286-1 http://hdl.handle.net/123456789/30914 en Springer-Verlag Berlin Heidelberg |
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Adsorbability Azo dye Binary solution Solar photocatalytic Sulfonate group |
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Adsorbability Azo dye Binary solution Solar photocatalytic Sulfonate group Ong, Soon An, Dr. Ohm, Mar Min Ho, Li Ngee, Dr. Wong, Yee Shian Solar photocatalytic degradation of mono azo methyl orange and diazo reactive green 19 in single and binary dye solutions: Adsorbability vs photodegradation rate |
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Link to publisher's homepage at http://link.springer.com/ |
| author2 |
saong@unimap.edu.my |
| author_facet |
saong@unimap.edu.my Ong, Soon An, Dr. Ohm, Mar Min Ho, Li Ngee, Dr. Wong, Yee Shian |
| format |
Article |
| author |
Ong, Soon An, Dr. Ohm, Mar Min Ho, Li Ngee, Dr. Wong, Yee Shian |
| author_sort |
Ong, Soon An, Dr. |
| title |
Solar photocatalytic degradation of mono azo methyl orange and diazo reactive green 19 in single and binary dye solutions: Adsorbability vs photodegradation rate |
| title_short |
Solar photocatalytic degradation of mono azo methyl orange and diazo reactive green 19 in single and binary dye solutions: Adsorbability vs photodegradation rate |
| title_full |
Solar photocatalytic degradation of mono azo methyl orange and diazo reactive green 19 in single and binary dye solutions: Adsorbability vs photodegradation rate |
| title_fullStr |
Solar photocatalytic degradation of mono azo methyl orange and diazo reactive green 19 in single and binary dye solutions: Adsorbability vs photodegradation rate |
| title_full_unstemmed |
Solar photocatalytic degradation of mono azo methyl orange and diazo reactive green 19 in single and binary dye solutions: Adsorbability vs photodegradation rate |
| title_sort |
solar photocatalytic degradation of mono azo methyl orange and diazo reactive green 19 in single and binary dye solutions: adsorbability vs photodegradation rate |
| publisher |
Springer-Verlag Berlin Heidelberg |
| publishDate |
2013 |
| url |
http://dspace.unimap.edu.my/xmlui/handle/123456789/30914 |
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1643796415951929344 |