Patent ID: 8916093

Claim:
A method of decontaminating an enclosure, comprising the steps of: placing a decontamination unit having a housing within the enclosure; operating the decontamination unit that is placed within the enclosure from a position outside the enclosure, the decontamination unit: generating a first flow of a carrier gas by drawing air into the decontamination unit; introducing a decontaminant vapour into the first flow of the carrier gas at a vapour generating station within the decontamination unit; circulating the first flow of carrier gas/decontaminant vapour from the decontamination unit around the enclosure; generating a separate, second flow of carrier gas from within the decontamination unit by drawing air into the decontamination unit, the second flow being a plurality of times greater than the first flow; and circulating the second flow with the first flow around the enclosure to assist the dispersal of the decontaminant vapour in the enclosure, wherein the first and second flows of carrier gas are separately discharged from the decontamination unit into the enclosure and the second flow of carrier gas is passed through the decontamination unit without actively treating the second flow of carrier gas to modify the humidity thereof.