Photodegradation of Methyl Green by Nickel-Dimethylglyoxime/ZSM-5 Zeolite as a Heterogeneous Catalyst

Table 1

Rate constant values as a function of various experimental parameters.

Parameter	Value	k × 100 (min^−1)
Catalyst amount (g L^−1)	0	0.003
	0.2	0.9
	0.4	1.9
	0.6	3.6
	0.8	1.7
	1.0	0.46
	1	0
	3	1.1
pH	5	4.6
	7	5.2
	9	6.1
	25	1.8
	40	2.4
Temperature (°C)	50	2.7
	60	3.5
	80	4.3
𝐶MG (ppm)	10	0.10
	20	0.46
	40	2.11
	60	0.6
	80	0.44
	100	0.29