Effect of the Mg/Al Ratio on Activated Sol-Gel Hydrotalcites for Photocatalytic Degradation of 2,4,6-Trichlorophenol

Table 2

Kinetics of degradation.

Catalyst	k (min^−1)	t1/2 (min)	Degradation (%)
HT-1 500°C	0.0186	37.27	94.18
HT-2 500°C	0.0158	43.87	92.49
HT-4 500°C	0.0102	67.96	86.15
HT-5 500°C	0.0094	73.74	84.25
HT-7 500°C	0.0054	128.36	63.89