Photodegradation of the anthraquinonic dye Acid Green 25 by TiO 2 immobilized on carbonized avocado kernels: Intermediates and toxicity

M M Davilajimenez,Maria P Elizaldegonzalez,Esmeralda Garciadiaz,Vianey Marincevada, Jacquelin Zequineliperez

Applied Catalysis B: Environmental(2015)

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Abstract
•Avocado carbon impregnated in glycerol with a TiO2 sol produced anatase composite.•The composite demonstrated degradation efficiency with solar light.•Hydroxylated methylbenzenesulfonates identified by LC–MS as products of Acid Green 25.•Amino-5-methylbenzenesulfonate and anthraquinone derivatives present among products.•No toxic effects of the dye AG25 and its photo-products on Azospirillum brasilense.
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Key words
TiO2/carbon composite,Acid Green 25,Photocatalysis,Solar irradiation,Product identification,Toxicity
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