Adsorption and Photocatalytic Kinetics of Visible-Light Response N-Doped TiO₂ Nanocatalyst for Indoor Acetaldehyde Removal under Dark and Light Conditions

Table 3

Thermodynamic parameters for the adsorption of acetaldehyde onto N-TiO₂ at various temperatures.

Temperature (°C)	(μmol/g)	(L/mol)		(kcal/mol)	(kcal/mol)	(cal/K/mol)
5	196	0.0017	0.998	−4.53	−3.42	3.92
15	290	0.0018	0.979	−4.59
25	336	0.0022	0.992	−4.57
35	444	0.0036	0.982	−4.60