Optical Photocatalytic Degradation of Methylene Blue Using Lignocellulose Modified TiO<sub>2</sub>

Yilkal Dessie Sintayehu; Abebe Belay Gemeta; Solomon Girmay Berehe

doi:doi:10.11648/j.ajop.20170505.12

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Optical Photocatalytic Degradation of Methylene Blue Using Lignocellulose Modified TiO₂

Yilkal Dessie Sintayehu, Abebe Belay Gemeta, Solomon Girmay Berehe

Published in American Journal of Optics and Photonics (Volume 5, Issue 5)

Received: 8 February 2017 Accepted: 4 March 2017 Published: 19 December 2017

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Abstract

This paper reports the photo-catalytic activity and stability of Lignocellulose/TiO₂ nanoparticles (NPs) was evaluated through using the decomposition of methylene blue (MB) as a testing model reaction under visible light irradiation (λmax > 420nm). The modified (NPs) (pH = 6.94 - 6.97) photocatalyst material was dried for 24 hours at the temperature of 80°C and calcinated at 400°C for 2 hours through constant air flow. The degradation of MB was performed using 250 Watt xenon lamp within every 30 minute time interval followed by measuring the absorbance. The maximum characterstic absorption peak of MB solution was observed at (λmax ~ 664nm) and the absorbance of this peak approaches to a minimum value and the degradation efficiency become effective after illumination for 150 minute. Optimized parametric conditions like pH ≈ 6, initial concentration (C_o= 6 ppm), time = 120 min and catalyst loading (160 mg) results were examined to improve the degradation efficiency (> 95%).

Published in	American Journal of Optics and Photonics (Volume 5, Issue 5)
DOI	10.11648/j.ajop.20170505.12
Page(s)	55-58
Creative Commons	This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.
Copyright	Copyright © The Author(s), 2017. Published by Science Publishing Group

Keywords

Lignocellulose, Photo-Catalytic, Methylene Blue, Degradation

References

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APA Style

Yilkal Dessie Sintayehu, Abebe Belay Gemeta, Solomon Girmay Berehe. (2017). Optical Photocatalytic Degradation of Methylene Blue Using Lignocellulose Modified TiO2. American Journal of Optics and Photonics, 5(5), 55-58. https://doi.org/10.11648/j.ajop.20170505.12

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ACS Style

Yilkal Dessie Sintayehu; Abebe Belay Gemeta; Solomon Girmay Berehe. Optical Photocatalytic Degradation of Methylene Blue Using Lignocellulose Modified TiO2. Am. J. Opt. Photonics 2017, 5(5), 55-58. doi: 10.11648/j.ajop.20170505.12

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AMA Style

Yilkal Dessie Sintayehu, Abebe Belay Gemeta, Solomon Girmay Berehe. Optical Photocatalytic Degradation of Methylene Blue Using Lignocellulose Modified TiO2. Am J Opt Photonics. 2017;5(5):55-58. doi: 10.11648/j.ajop.20170505.12

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@article{10.11648/j.ajop.20170505.12,
  author = {Yilkal Dessie Sintayehu and Abebe Belay Gemeta and Solomon Girmay Berehe},
  title = {Optical Photocatalytic Degradation of Methylene Blue Using Lignocellulose Modified TiO2},
  journal = {American Journal of Optics and Photonics},
  volume = {5},
  number = {5},
  pages = {55-58},
  doi = {10.11648/j.ajop.20170505.12},
  url = {https://doi.org/10.11648/j.ajop.20170505.12},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajop.20170505.12},
  abstract = {This paper reports the photo-catalytic activity and stability of Lignocellulose/TiO2 nanoparticles (NPs) was evaluated through using the decomposition of methylene blue (MB) as a testing model reaction under visible light irradiation (λmax > 420nm). The modified (NPs) (pH = 6.94 - 6.97) photocatalyst material was dried for 24 hours at the temperature of 80°C and calcinated at 400°C for 2 hours through constant air flow. The degradation of MB was performed using 250 Watt xenon lamp within every 30 minute time interval followed by measuring the absorbance. The maximum characterstic absorption peak of MB solution was observed at (λmax ~ 664nm) and the absorbance of this peak approaches to a minimum value and the degradation efficiency become effective after illumination for 150 minute. Optimized parametric conditions like pH ≈ 6, initial concentration (Co= 6 ppm), time = 120 min and catalyst loading (160 mg) results were examined to improve the degradation efficiency (> 95%).},
 year = {2017}
}

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TY  - JOUR
T1  - Optical Photocatalytic Degradation of Methylene Blue Using Lignocellulose Modified TiO2
AU  - Yilkal Dessie Sintayehu
AU  - Abebe Belay Gemeta
AU  - Solomon Girmay Berehe
Y1  - 2017/12/19
PY  - 2017
N1  - https://doi.org/10.11648/j.ajop.20170505.12
DO  - 10.11648/j.ajop.20170505.12
T2  - American Journal of Optics and Photonics
JF  - American Journal of Optics and Photonics
JO  - American Journal of Optics and Photonics
SP  - 55
EP  - 58
PB  - Science Publishing Group
SN  - 2330-8494
UR  - https://doi.org/10.11648/j.ajop.20170505.12
AB  - This paper reports the photo-catalytic activity and stability of Lignocellulose/TiO2 nanoparticles (NPs) was evaluated through using the decomposition of methylene blue (MB) as a testing model reaction under visible light irradiation (λmax > 420nm). The modified (NPs) (pH = 6.94 - 6.97) photocatalyst material was dried for 24 hours at the temperature of 80°C and calcinated at 400°C for 2 hours through constant air flow. The degradation of MB was performed using 250 Watt xenon lamp within every 30 minute time interval followed by measuring the absorbance. The maximum characterstic absorption peak of MB solution was observed at (λmax ~ 664nm) and the absorbance of this peak approaches to a minimum value and the degradation efficiency become effective after illumination for 150 minute. Optimized parametric conditions like pH ≈ 6, initial concentration (Co= 6 ppm), time = 120 min and catalyst loading (160 mg) results were examined to improve the degradation efficiency (> 95%).
VL  - 5
IS  - 5
ER  -

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Author Information

Yilkal Dessie Sintayehu

Department of Chemistry, Adama Science and Technology University, Adama, Ethiopia
Abebe Belay Gemeta

Department of Physics, Adama Science and Technology University, Adama, Ethiopia
Solomon Girmay Berehe

Department of Chemistry, Adama Science and Technology University, Adama, Ethiopia

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Plain Text BibTeX RIS

APA Style

Yilkal Dessie Sintayehu, Abebe Belay Gemeta, Solomon Girmay Berehe. (2017). Optical Photocatalytic Degradation of Methylene Blue Using Lignocellulose Modified TiO2. American Journal of Optics and Photonics, 5(5), 55-58. https://doi.org/10.11648/j.ajop.20170505.12

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ACS Style

Yilkal Dessie Sintayehu; Abebe Belay Gemeta; Solomon Girmay Berehe. Optical Photocatalytic Degradation of Methylene Blue Using Lignocellulose Modified TiO2. Am. J. Opt. Photonics 2017, 5(5), 55-58. doi: 10.11648/j.ajop.20170505.12

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AMA Style

Yilkal Dessie Sintayehu, Abebe Belay Gemeta, Solomon Girmay Berehe. Optical Photocatalytic Degradation of Methylene Blue Using Lignocellulose Modified TiO2. Am J Opt Photonics. 2017;5(5):55-58. doi: 10.11648/j.ajop.20170505.12

Copy | Download

@article{10.11648/j.ajop.20170505.12,
  author = {Yilkal Dessie Sintayehu and Abebe Belay Gemeta and Solomon Girmay Berehe},
  title = {Optical Photocatalytic Degradation of Methylene Blue Using Lignocellulose Modified TiO2},
  journal = {American Journal of Optics and Photonics},
  volume = {5},
  number = {5},
  pages = {55-58},
  doi = {10.11648/j.ajop.20170505.12},
  url = {https://doi.org/10.11648/j.ajop.20170505.12},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajop.20170505.12},
  abstract = {This paper reports the photo-catalytic activity and stability of Lignocellulose/TiO2 nanoparticles (NPs) was evaluated through using the decomposition of methylene blue (MB) as a testing model reaction under visible light irradiation (λmax > 420nm). The modified (NPs) (pH = 6.94 - 6.97) photocatalyst material was dried for 24 hours at the temperature of 80°C and calcinated at 400°C for 2 hours through constant air flow. The degradation of MB was performed using 250 Watt xenon lamp within every 30 minute time interval followed by measuring the absorbance. The maximum characterstic absorption peak of MB solution was observed at (λmax ~ 664nm) and the absorbance of this peak approaches to a minimum value and the degradation efficiency become effective after illumination for 150 minute. Optimized parametric conditions like pH ≈ 6, initial concentration (Co= 6 ppm), time = 120 min and catalyst loading (160 mg) results were examined to improve the degradation efficiency (> 95%).},
 year = {2017}
}

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TY  - JOUR
T1  - Optical Photocatalytic Degradation of Methylene Blue Using Lignocellulose Modified TiO2
AU  - Yilkal Dessie Sintayehu
AU  - Abebe Belay Gemeta
AU  - Solomon Girmay Berehe
Y1  - 2017/12/19
PY  - 2017
N1  - https://doi.org/10.11648/j.ajop.20170505.12
DO  - 10.11648/j.ajop.20170505.12
T2  - American Journal of Optics and Photonics
JF  - American Journal of Optics and Photonics
JO  - American Journal of Optics and Photonics
SP  - 55
EP  - 58
PB  - Science Publishing Group
SN  - 2330-8494
UR  - https://doi.org/10.11648/j.ajop.20170505.12
AB  - This paper reports the photo-catalytic activity and stability of Lignocellulose/TiO2 nanoparticles (NPs) was evaluated through using the decomposition of methylene blue (MB) as a testing model reaction under visible light irradiation (λmax > 420nm). The modified (NPs) (pH = 6.94 - 6.97) photocatalyst material was dried for 24 hours at the temperature of 80°C and calcinated at 400°C for 2 hours through constant air flow. The degradation of MB was performed using 250 Watt xenon lamp within every 30 minute time interval followed by measuring the absorbance. The maximum characterstic absorption peak of MB solution was observed at (λmax ~ 664nm) and the absorbance of this peak approaches to a minimum value and the degradation efficiency become effective after illumination for 150 minute. Optimized parametric conditions like pH ≈ 6, initial concentration (Co= 6 ppm), time = 120 min and catalyst loading (160 mg) results were examined to improve the degradation efficiency (> 95%).
VL  - 5
IS  - 5
ER  -

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