Synthesis, Characterization and Evaluation of an Adsorbent/Photocatalyst Type Alumina by Photodegradation of Methylene Blue

Author: Villarreal-Valencia Tania   Machuca-Martínez Fiderman   Mueses Miguel Angel  

Publisher: Science and Technology Network Inc.

ISSN: 1203-8407

Source: Journal of Advanced Oxidation Technologies, Vol.15, Iss.2, 2012-07, pp. : 399-404

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Abstract

In this paper, we present the synthesis, characterization and evaluation of a potential semiconductor obtained from industrial slugde of anodizing industry. The material was characterized using a proton distribution affinity, PDA and conventional techniques like: atomic absorption, free moisture, zero point charge (ZPC), XDR and BET. The material was treated to temperatures between 300 and 1200 °C. It was found that the synthesized oxide has a high concentration of α and γ -alumina which has octaedric structure and a shortage of superficial protons. The absorption and photodegradation of methylene blue show that the alumina can be used like absorbent and photocatalysts.

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