CdS Loaded an Iranian Clinoptilolite as a Heterogeneous Catalyst in Photodegradation of p-Aminophenol

Table 2

Reaction rate constant of PAP degradation as a function of experimental parameters.

Parameter	Value	k × 10^3 (h^−1)
	0^a	2.2
	0^b	12.7
Catalyst mass (mg·L^−1)	12.5	152.7
	17.5	183.2
	25.0	104.2
	75.0	92.9
	5.0	212.5
𝐶PAP (ppm)	10.0	254.5
	25.0	174.3
	40.0	121.6
	2.1	82.5
pH	5.1	250.0
	9.0	132.0
	12.1	92.3
	25	243.0
Temperature (°C)	45	280.1
	60	129.8
	70	110.2

^a25 ppm PAP under dark conditions and ^b25 ppm PAP under UV irradiation conditions.