Heterogeneous Photodecolorization of Methyl Green Catalyzed by Fe(II)-o-Phenanthroline/Zeolite Y Nanocluster

Table 1

Reaction rate constant of MG photodecolorization as a function of various experimental parameters.

Parameter	Value	𝑘×100 (min^−1)
Photocatalyst mass (g L^−1)	a	0.011
	b	0.15
	0.7	4.4
	1.0	8.9
	3.0	5.1
	5.0	3.1
	8.0	2.9
MG concentration (ppm)	20	8.2
	40	9.1
	60	2.8
	80	1.3
	100	1.2
pH	3.6	5.666×10^−6
	5.2	9.2
	7.1	10.8
	9.3	19.3
Temperature (°C)	25	7.8
	40	8.8
	50	10.4
	60	9.3

aThe proposed process was performed in the dark condition and in the presence of the Fe-OP-NCY to investigate the surface adsorption extent.
bThe photolysis extent was determined at the absence of the Fe-OP-NCY under UV irradiation.