Incorporation of Zirconium Oxide on the Surface of Palygorskite Clay for Photodegradation of Industrial Dye

Maicon Oliveira Miranda; Francisca Pereira de Araújo; Josy Antoveli Osajima; Edson Cavalcanti da Silva Filho

doi:10.4028/www.scientific.net/MSF.869.768

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HomeMaterials Science ForumMaterials Science Forum Vol. 869Incorporation of Zirconium Oxide on the Surface of...

Incorporation of Zirconium Oxide on the Surface of Palygorskite Clay for Photodegradation of Industrial Dye

Abstract:

The palygorskite or attapulgite is a mineral clay of fibrous habits, a phyllosilicate 2:1, presented by the formula Mg₅[Si₈O₂₀](OH)₂(OH₂)₄.4H₂O. Taking advantage of this natural resource available in the State of Piauí, this research aims at incorporating the zirconium oxide to the surface of this clay, through the sol-gel method, in order to evaluate the photoactivity of the composite. The material was characterized by the X-ray diffractometry (XRD), indicating the presence of the zirconium oxide, with the emergence of peaks in 30.8° and 60.9°. It was observed the incorporation of zirconium on the clay by transmission electron microscopy (TEM) and verified the fibrous habit and the presence of ZrO₂on the surface of the clay with 1.35% of incorporated zirconium and 127.4 m² g^-1. The rate of degradation of the Remazol Blue dye was 93.5% when using the composite.

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21st Brazilian Conference on Materials Science and Engineering

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Periodical:

Materials Science Forum (Volume 869)

Pages:

768-772

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.869.768

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Online since:

August 2016

Authors:

Maicon Oliveira Miranda*, Francisca Pereira de Araújo, Josy Antoveli Osajima, Edson Cavalcanti da Silva Filho

Keywords:

Palygorskite, Photodegradation, Zirconium Oxide

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