Photocatalytic oxidation of AV 19: Mechanistic aspects involving primary oxidizing species

Roselin LS; Rajarajeswari GR; Selvin R; Sadasivam V; Sivasankar B; Rengaraj K

Reaction Kinetics and Catalysis Letters, Vol.78, No.2, 259-265, 2003

DOI10.1023/A:1022673524985 Export Citation

Photocatalytic oxidation of AV 19: Mechanistic aspects involving primary oxidizing species

Roselin LS, Rajarajeswari GR, Selvin R, Sadasivam V, Sivasankar B, Rengaraj K

Photocatalytic degradation of Acid violet 19 (AV 19) under UV radiation followed first-order kinetics and obeyed Langmuir-Hinshelwood mechanism. The oxidants involved were identified as positive hole, hydroxyl radical and superoxide anion radical.

Keywords:photocatalysis;dye-degradation;kinetics-mechanism of photocatalysis