A portable device 12 for removing water-soluble disinfectant from air wherein the device comprises a water reservoir 128 and means for drawing air (e.g. a fan) 132 into contact with water from the water reservoir. The device is configured to remove water-soluble disinfectant from at least 0.5m3 of air per minute. In one embodiment, the device comprises a base 112 for location on a support surface and an outlet (116, fig. 1) for removal of liquid from the liquid reservoir following use. Preferably the device comprises a purification chamber 130, at least one water retention formation for retaining water (e.g. a pall ring) 142 within the purification chamber, and a pump 134. Also claimed is a method of disinfecting a space by distributing a water-soluble disinfectant throughout the space, and drawing air from the space into contact with water from the water reservoir.L'invention concerne un dispositif portable pour éliminer un désinfectant soluble dans l'eau présent dans l'air. Le dispositif comprend un réservoir d'eau, et des moyens pour aspirer de l'air au contact de l'eau présente dans le réservoir d'eau.
