Thermal Treatment of Cerium Oxide and Its Properties: Adsorption Ability versus Degradation Efficiency

Table 2

Parameters of the pseudo-first-order kinetic equation for the sorption of AO7 on CeO₂ annealed at different temperatures.

Annealing temperature (°C)	𝑞∞ (mmol/g)^a	𝑘1 (min^−1)^a	𝑅^2	RSS
200	0.283 (0.003)	0.422 (0.022)	0.9961	0.0004
300	0.276 (0.004)	0.446 (0.035)	0.9916	0.0005
400	0.273 (0.005)	0.584 (0.070)	0.9827	0.0010
500	0.312 (0.010)	0.384 (0.069)	0.9517	0.0039
600	0.326 (0.008)	0.540 (0.091)	0.9643	0.0030
700	0.172 (0.005)	0.441 (0.075)	0.9592	0.0002
800	0.079 (0.002)	0.475 (0.085)	0.9570	0.0006
900	0.060 (0.004)	0.177 (0.059)	0.8394	0.0026
1000	0.031 (0.008)	0.158 (0.019)	0.9775	0.0005

aStandard errors given in parentheses.