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Photocatalytic decolourization of indigo carmine on 1,10-phenanthrolinium intercalated bentonite under UV-B and solar irradiation

Paper ID Volume ID Publish Year Pages File Format Full-Text
26976 43991 2010 6 PDF Available
Title
Photocatalytic decolourization of indigo carmine on 1,10-phenanthrolinium intercalated bentonite under UV-B and solar irradiation
Abstract

In the present work, organophilic clay was prepared and characterized by XRD, FT-IR, TGA, 13C MAS NMR and UV–vis DRS. The obtained material was investigated as photocatalyst on photo-decolourization of indigo carmine under UV-B and solar irradiation. The decolourization capacity of the obtained material against indigo carmine was very low. Besides, the kinetic photo-decolourization data under UV-B and solar irradiation fitted well the pseudo-first order and Langmuir–Hinshelwood kinetic models. The photo-decolourization rate was found better under solar than UV-B irradiation. A total colour removal was obtained at natural pH after 160 min of solar irradiation of a 10 mg L−1 indigo carmine solution. The prepared material was used four times with practically the same decolourization efficiency.

Keywords
Bentonite; Solar irradiation; Photo-decolourization; Indigo carmine
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Photocatalytic decolourization of indigo carmine on 1,10-phenanthrolinium intercalated bentonite under UV-B and solar irradiation
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 212, Issues 2–3, 20 May 2010, Pages 101–106
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us