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Attapulgite Performance in the Degradation of the Yellow Bright Dye

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Abstract:

Degradation of yellow bright anionic dye under ultraviolet radiation was studied using attapulgite (ATT) as a support in the immobilization of the photocatalyst semiconductor, titanium dioxide, TiO2. The photocatalytic performance of the corresponding catalyst was evaluated using the 1.0x10-4 mol L-1 concentration of the dye. The samples were irradiated with UV light for 120 minutes. The kinetics were monitored by UV-Vis spectrophotometry. The spectra absorption showed that the increased amount of photoactive material in the reaction system maximizes the efficiency of the photocatalytic process.

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21st Brazilian Conference on Materials Science and Engineering View Preview

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Periodical:

Materials Science Forum (Volume 869)

Pages:

761-764

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.869.761

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Online since:

August 2016

Authors:

Layane Rodrigues Almeida*, João Sammy Nery de Souza, Edson Cavalcanti da Silva Filho, Josy Antoveli Osajima

Keywords:

Attapulgite, Bright Yellow Dye, Photocatalysis

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© 2016 Trans Tech Publications Ltd. All Rights Reserved

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