Removal of organic pollutants in the passenger compartment of a vehicle by photocatalysis

The process concerns the removal of organic pollutants in the passenger compartment of a vehicle by photocatalysis. The upper surface of the dashboard (1) is covered with a layer (10) of photocatalyst. This upper wall includes a plurality of openings (7) ensuring diffuse aeration. The lower surface of the dashboard (1) also includes a layer (11) of photocatalyst irradiated by a source (8) of ultraviolet rays disposed in a diffusion chamber.