Research Article

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

Figure 4

(a) Adsorption isotherms of acetaldehyde adsorption on N-TiO2 at various temperatures. Solid lines are the best fit of Langmuir isotherm. (b) van’t Hoff plot for the adsorption of acetaldehyde onto N-TiO2.