Method for determining the photocatalytic potential of portland cement mortar containing TiO2 for decomposing the pollutant nitrogen monoxide

AUTOR(ES)

Bonato, Marcelle M., Bragança, Mariana O. G. P., Portella, Kleber F., Vieira, Mateus E., Esmanhoto, Eliseu, Cerqueira, Dailton P., Santos, Jeannette C. M. dos

FONTE

Quím. Nova

DATA DE PUBLICAÇÃO

2014-07

RESUMO

Photocatalytic materials can minimize atmospheric pollution by decomposing certain organic and inorganic pollutants using sunlight as an energy source. In this paper, the development of a methodology to measure the photocatalytic potential of mortar containing TiO2 nanoparticles is reported. The results indicate that up to 40% of NOx can be degraded by Portland cement mortar containing 30-50% of TiO2, which validates the method developed for evaluating the photocatalytic potential of materials.

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