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6. Grape marc activated carbon/TiO2 hybrid degradation of RB5 azo dye: FT-IR and UV-visible analysis.

Author

Bourahla, Sarra, Harrats, Charef, Belayachi, Hanane, Nemchi, Fadela, and Belhakem, Mostefa

Subjects
AZO dyes, GRAPES, ACTIVATED carbon, SURFACE analysis, TITANIUM dioxide
Abstract

Activated charcoal obtained from grape marc (GMAC) was impregnated by TiO2 anatase to form GMAC/TiO2 hybrid. The synthesized hybrid was used in the photodegradation of reactive black 5 (RB5). The degradation products were commonly characterized from the dye solution; neglecting the traces adsorbed on the surface of the catalyst. In the present work, we targeted to follow the degradation products both on the surface of GMAC/TiO2 hybrid by FT-IR spectroscopy and in the RB5 solution by UV-visible, after exposure to UV light during various time periods. The analysis of the hybrid surface revealed the presence of degradation species including carboxylic and sulfate groups. [ABSTRACT FROM AUTHOR]

Published
2018
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