Research Article

Photocatalytic Degradation of Indigo Carmine Dye Using Calcium Oxide

Table 4

The effect of irradiation of different light sources on exposure to indigo carmine dye solution using calcium oxide at pH 12 on rate constant values.

PhotocatalystLight sourceRate constant (mināˆ’1)

0.12ā€‰g calcium oxide Visible0.04938
Long UV0.04604
Short UV0.03233