Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/43225
Title: Study of adsorption and degradation of dimethylphthalate on TiO2-based photocatalysts
Authors: Pulido Melián, Elisenda 
Henríquez Cárdenes, Ezequiel 
González Díaz, Óscar Manuel 
Doña Rodríguez, José Miguel 
UNESCO Clasification: 2210 Química física
Keywords: Dimethylphthalate
Freundich
FTIR
Langmuir-Hinshelwood
TiO2
Issue Date: 2016
Publisher: 0301-0104
Journal: Chemical Physics 
Abstract: This work studied the degradation and adsorption of dimethylphthalate (DMP) using various TiO2-based photocatalysts: TiO2 Aeroxide P25, Kronos vlp7000, Hombikat UV-100, Kemira 650 and a synthesized photocatalyst named SG750. As the photocatalysts with mixed anatase and rutile phases, P25 and SG750, showed greater activity than those of pure phase, an in-depth study was undertaken of these two catalysts in the adsorption and degradation of DMP. The degradation results were fitted with a high degree of correlation to the Langmuir-Hinshelwood model and those for adsorption to the Freundlich model. The Freundlich constants showed good correlation with FTIR observations of the DMP-P25 and DMP-SG750 interactions. These two photocatalysts were additionally modified by photodeposition with Pt and Au (0.5–1.5 wt%) to study the effect of these metals on degradation and mineralization kinetics.
URI: http://hdl.handle.net/10553/43225
ISSN: 0301-0104
DOI: 10.1016/j.chemphys.2016.04.021
Source: Chemical Physics [ISSN 0301-0104], v. 475, p. 112-118
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