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Al-Azhar Bulletin of Science
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elsayed, B., mohamed, W., galal, H., abdelbary, H., Ahmed, M. (2019). Photodecontamination of Vat Green 1 and Dianix Blue dyes by MWCNTs/x%TiO2 nanocomposites synthesized using evaporation method. Al-Azhar Bulletin of Science, 30(Issue 1-A (Chemistry)), 35-45. doi: 10.21608/absb.2019.13849.1014
badr awad elsayed; walied mohamed; hoda galal; hassan abdelbary; mahmoud Ahmed. "Photodecontamination of Vat Green 1 and Dianix Blue dyes by MWCNTs/x%TiO2 nanocomposites synthesized using evaporation method". Al-Azhar Bulletin of Science, 30, Issue 1-A (Chemistry), 2019, 35-45. doi: 10.21608/absb.2019.13849.1014
elsayed, B., mohamed, W., galal, H., abdelbary, H., Ahmed, M. (2019). 'Photodecontamination of Vat Green 1 and Dianix Blue dyes by MWCNTs/x%TiO2 nanocomposites synthesized using evaporation method', Al-Azhar Bulletin of Science, 30(Issue 1-A (Chemistry)), pp. 35-45. doi: 10.21608/absb.2019.13849.1014
elsayed, B., mohamed, W., galal, H., abdelbary, H., Ahmed, M. Photodecontamination of Vat Green 1 and Dianix Blue dyes by MWCNTs/x%TiO2 nanocomposites synthesized using evaporation method. Al-Azhar Bulletin of Science, 2019; 30(Issue 1-A (Chemistry)): 35-45. doi: 10.21608/absb.2019.13849.1014

Photodecontamination of Vat Green 1 and Dianix Blue dyes by MWCNTs/x%TiO2 nanocomposites synthesized using evaporation method

Article 4, Volume 30, Issue 1-A (Chemistry), June 2019, Page 35-45  XML PDF (1.17 MB)
Document Type: Original Article
DOI: 10.21608/absb.2019.13849.1014
Authors
badr awad elsayed email 1; walied mohamed2; hoda galal2; hassan abdelbary3; mahmoud Ahmed3
1Department of Chemistry, Faculty of Science, Al-Azhar University, Egypt
2Inorganic Chemistry Department – National Research Centre- Cairo, P.O. (12622) Egypt
3Physical Chemistry Department – Al Azhar University- Cairo, P.O. (11884) Egypt
Abstract
Study of the photocatalytic activity of multi-walled carbon nanotubes/titanium dioxide nanocomposites MWCNTs/x%TiO2 with different weight ratios of TiO2 (x = 3, 6 and 10%) synthesized using a simple modified evaporation method in decontamination of two local textile dyes (Vat Green 1 and Dianix Blue Dyes) as an industrial organic pollutants commonly used in dyeing factories was reported. The structure of the synthesized MWCNTs and MWCNTs/x%TiO2 nanocomposites with different weight ratios photocatalysts were characterized using XRD, SEM, diffused reflectance UV-Vis spectroscopic technique and N2 adsorption-desorption. Also optical band gap was estimated by Kubelka-Munk equation for MWCNTs and MWCNTs/x%TiO2 nanocomposites giving rise values 3.51, 2.89, 2.80, 2.69 eV respectively. The photodegradation of Vat Green 1 and Dianix Blue Dyes dyes in presence of MWCNTs and MWCNTs/x%TiO2 nanocomposites after complete degradation were measured using chemical oxygen demand processes and the suggested possible mechanism of the photodegradation processes of Vat Green 1 and Dianix Blue Dyes was studied.
Keywords
MWCNTs/%TiO2 Nanocomposites; evaporation method; photodegradation process; Vat Green 1 Dye and Dianix Blue Dye
Main Subjects
Chemistry
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