Photocatalytic Degradation of Erythrosin-B using Cadmium Cobaltite for Water Reuse: Efficiency and Degradation Pathway

Jayanti Samota*,, Suraj Sharma, Shipra Bhardwaj and Kumud Intodia

Department of Chemistry, Government Meera Girls College, Udaipur-313001, India

*Corresponding author: E-mail:


In present work, a photocatalytic degradation of Erythrosin-B has been studied using cadmium cobaltite. The impact of different parameters such as pH, amount of cadmium cobaltite, concentration of Erythrosin-B and light intensity have been observed on the reaction rate. Radical quenching experiments revealed that hydroxyl radicals are primarily responsible for the degradation of Erythrosin-B. The progress of reaction monitored spectrophotometrically and it followed pseudo first-order kinetics. An experimental mechanism is proposed for the photochemical degradation of Erythrosin-B.


Photocatalysis, Erythrosin-B, Cadmium cobaltite, Degradation, Recyclability.

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