Photocatalytic Degradation of Basic Red in Aqueous Medium by Ag3PO4

Authors

Boudiaf Salim
Laboratory of Reaction Engineering, Faculty of Mechanical Engineering and Process Engineering, USTHB, BP 32, Algiers, Algeria.Algérie.
Nasrallah Noureddine
Laboratory of Reaction Engineering, Faculty of Mechanical Engineering and Process Engineering, USTHB, BP 32, Algiers, Algeria.Algérie
Mellal Mounir
The Valorization and Recycling of Materials for Sustainable Development (VRMDD) laboratory, USTHB, BP 32, Algiers, Algeria.Algérie.
M.A. Djilali
The Valorization and Recycling of Materials for Sustainable Development (VRMDD) laboratory, USTHB, BP 32, Algiers, Algeria.Algérie.

Synopsis

The semiconductor Ag3PO4 was successfully used for the photo-degradation of Basic Red (BR), a hazardous and recalcitrant dye. The Ag3PO4 was prepared by precipitation route and characterized by X-ray diffraction XRD, SEM / EDS. The quenching experiments were carried and the results demonstrate that the radical OH is the responsible active specie for the BR photooxidation. The solar photocatalysis over the Ag3PO4 exhibits an increased performance in the BR degradation due to activation by the UVA part of the solar light. An elimination conversion of 97% was obtained after 4 h at room temperature for a BR concentration of 20 mg/L.

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Published
December 9, 2024