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Analysis of a hybrid suspended-supported photocatalytic reactor for the treatment of wastewater containing benzothiazole and aniline


Abstract: In this work, a study of the main operating variables affecting TiO2/UV photocatalysis was carried out. The treatment of an industrial effluent containing aniline and benzothiazole from the manufacture of accelerants for vulcanization was performed in a TiO2-supported commercial photoreactor. The degradation of both contaminants was monitored by GC-MS analysis. The proposed experiments were able to properly identify the phenomenon of adsorption, as well as to improve the performance of the commercial photoreactor by adding small amounts of TiO2 in suspension. The removal performance, durability of the photocatalytic material, and energy costs were analysed. The results showed that the use of suspensions intensifies the degradation obtaining an improvement of 23.15% with respect to the use of the supported catalyst. For an aniline and benzothiazole solution, the best operating conditions were found at pH = 12.0, introducing 60.0 mg L?1 of suspended TiO2 together with the existing supported catalyst.

 Autoría: Ferreiro C., Villota N., Lombraña J., Rivero M., Zúñiga V., Rituerto J.,

 Fuente: Water, 2019, 11(2), 337

Editorial: MDPI

 Fecha de publicación: 16/02/2019

Nº de páginas: 25

Tipo de publicación: Artículo de Revista

DOI: 10.3390/w11020337

ISSN: 2073-4441

Autores/as

FERREIRO SANTISO, CRISTIAN

VILLOTA SALAZAR, NATALIA

LOMBRAÑA ALONSO, JOSÉ IGNACIO

ZÚÑIGA SÁNCHEZ, VERÓNICA

RITUERTO LÓPEZ DE ECHEZARRETA, JOSÉ MIGUEL