Table 3 The apparent rate constants (k, min− 1) and regression coefficients (R2) obtained from the pseudo-first-order kinetic model for the photocatalytic-degradation of IC dye, using various dosages of the BW1 catalyst and different light sources.
Catalyst dose (g/L) | Kapp (min− 1) | R2 |
|---|---|---|
0.5 | 0.005 | 0.991 |
0.7 | 0.006 | 0.990 |
0.9 | 0.011 | 0.988 |
1.2 | 0.015 | 0.985 |
1.5 | 0.021 | 0.973 |
Light source | ||
UV-A | 0.011 | 0.967 |
UV-B | 0.002 | 0.997 |
Hg-lamp | 0.007 | 0.978 |
LED-lamp | 0.001 | 0.955 |