alexa Degradation and toxicity reduction of textile wastewater using immobilized titaniananophotocatalysis.
Materials Science

Materials Science

Research & Reviews: Journal of Material Sciences

Author(s): Niyaz Mohammad Mahmoodi, Mokhtar Arami

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The feasibility and performance of photocatalytic degradation and toxicity reduction of textile dye (Acid Blue 25) have been studied at pilot scale in an immobilized titania nanoparticle photocatalytic reactor. UV-Vis, Ion Chromatography (IC) and chemical oxygen demand (COD) analyses were employed to obtain the details of the photocatalytic dye degradation. The effects of operational parameters such as H2O2, pH and dye concentration on the photocatalytic degradation of Acid Blue 25 were investigated. The aliphatic carboxylic acid intermediates and inorganic anions generated during the dye degradation process were analyzed. Daphnia magna bioassay has been used to test the progress of toxicity during the treatment process. Total disappearance of dye was attained. During the photocatalytic treatment process, the residual acute toxicity was reduced. The results showed that immobilized titania nanophotocatalysis capable to degradation and toxicity reduction of acid dye textile wastewater.

This article was published in PhotoChemPhotobiol B Biol and referenced in Research & Reviews: Journal of Material Sciences

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