Dépôt numérique
RECHERCHER

Photocatalytic degradation of Rhodamine B dye with TiO₂ immobilized on SiC foam using full factorial design.

Téléchargements

Téléchargements par mois depuis la dernière année

Plus de statistiques...

Allé, Paul Henri, Fanou, Guy Didier, Robert, Didier, Adouby, Kopoin et Drogui, Patrick ORCID: https://orcid.org/0000-0002-3802-2729 (2020). Photocatalytic degradation of Rhodamine B dye with TiO₂ immobilized on SiC foam using full factorial design. Applied Water Science , vol. 10 , nº 9. p. 207. DOI: 10.1007/s13201-020-01282-4.

[thumbnail of P3788.pdf]
Prévisualisation
PDF
Télécharger (830kB) | Prévisualisation

Résumé

Textile effluents treatment is one of the important environmental challenges nowadays. Photocatalysis has proven its effectiveness for the removal of recalcitrant compounds, and it is considered as a green technology for the treatment of effluents. However, good photocatalytic yield is strongly related to the operating parameters. In this study, a supported TiO₂ on a β-SiC foam was tested for the removal of Rhodamine B (RhB). The photocatalytic discoloration of RhB synthetic solution in our condition was about 90%. The effects of each parameter were assessed through a full factorial design. Sixteen tests were carried out and the response was RhB removal. The most influent parameters were TiO₂/β-SiC foam quantity, the concentration of RhB, the volume of H₂O₂ and pH. Their contributions on RhB removal were, respectively, 53.01, 30.49, 2.7, and 2.48% according to Pareto diagram. Analysis of the coefficients shows that initial concentration of RhB and volume of H₂O₂ had a negative effect on the response. However, the quantity of TiO₂/β-SiC foam and pH had a positive effect on the response. The influence of the flow rate on the process was assessed. The results showed a slight increase in RhB removal. Furthermore, the aging test of TiO₂/β-SiC foam on the photocatalytic efficiency was carried out after ten successive photocatalysis tests. Only 6.7% loss of yield was observed. These results are very encouraging for an application at the industrial scale.

Type de document: Article
Mots-clés libres: photocatalysis; TiO₂/β-SiC foam; Rhodamine B; factorial design
Centre: Centre Eau Terre Environnement
Date de dépôt: 16 sept. 2020 14:58
Dernière modification: 15 févr. 2022 16:01
URI: https://espace.inrs.ca/id/eprint/10390

Actions (Identification requise)

Modifier la notice Modifier la notice