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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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Main Authors: Ong, Soon An, Dr., Ohm, Mar Min, Ho, Li Ngee, Dr., Wong, Yee Shian
Other Authors: saong@unimap.edu.my
Format: Article
Language:English
Published: Springer-Verlag Berlin Heidelberg 2013
Subjects:
Adsorbability
Azo dye
Binary solution
Solar photocatalytic
Sulfonate group
Online Access:http://dspace.unimap.edu.my/xmlui/handle/123456789/30914
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spelling 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
institution Universiti Malaysia Perlis
building UniMAP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Perlis
content_source UniMAP Library Digital Repository
url_provider http://dspace.unimap.edu.my/
language English
topic Adsorbability
Azo dye
Binary solution
Solar photocatalytic
Sulfonate group
spellingShingle 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
description 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
_version_ 1643796415951929344
score 13.222552

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