%0 Journal Article
%T Removal of the Methylene Blue Dye (MB) with Catalysts of Au-TiO<sub>2</sub>: Kinetic and Degradation Pathway
%A Mar¨ªa-Cruz Arias
%A Claudia Aguilar
%A Mohamad Piza
%A Elvira Zarazua
%A Francisco Anguebes
%A Francisco Anguebes
%A Francisco Anguebes
%A Francisco Anguebes
%A V¨ªctor Cordova
%J Modern Research in Catalysis
%P 1-14
%@ 2168-4499
%D 2021
%I Scientific Research Publishing
%R 10.4236/mrc.2021.101001
%X Au-TiO<sub>2</sub> catalysts were used in the photocatalytic degradation of the methylene blue dye (MB). The synthesis of titanium oxide (TiO<sub>2</sub>) was carried out by sol-gel method. Subsequently, particles of Au were deposited on the surface of the semiconductor by photo-deposition, thus modifying the surface of the semiconductor. For the characterization of the catalyst obtained, the techniques of X-ray Diffraction (DRX), Scanning Electron Microscopy (SEM), Spectroscopy with Diffuse Reflectance (DR) and Surface Area by the BET (Brunauer, Emmett y Teller) were used. The solid obtained was tested experimentally as a catalyst in the photocatalytic degradation of a solution of MB. The data obtained were analyzed by UV-vis Spectroscopy and Total Organic Carbon (TOC) and the results indicated conversions were greater than 80%. The intermediate products were evaluated by mass coupled gas chromatography (GC-MS) and the MB decomposition route was by hydroxylation, obtaining aromatic intermediates, esters and products of the chemical degradation of the molecule.
%K Titanium Oxide
%K Water Pollution
%K Methylene Blue Dye
%K Heterogeneous  Photocatalysis
%U http://www.scirp.org/journal/PaperInformation.aspx?PaperID=106960