PROBLEM TO BE SOLVED: To solve the following problem of a general deodorization device: though stopping a deodorization operation and performing a regeneration operation to start passing a current through a heater to heat a catalyst filter for a prescribed time if an integrated time wherein the deodorization operation is performed becomes a prescribed time, an odorant cannot be sufficiently adsorbed because the catalyst filter is close to a saturation state when an odor has occurred before performing the regeneration operation.SOLUTION: A deodorization device stores odor intensity in a predetermined prescribed time zone, and performs setting such that a regeneration operation is completed before a time zone wherein the odor intensity becomes maximum in the stored odor intensity.COPYRIGHT: (C)2014,JPO&INPIT【課題】一般に、脱臭装置では、脱臭運転を行った積算時間が所定時間となれば、脱臭運転を停止し、ヒータに通電を開始して触媒フィルタを所定時間加熱する再生運転を行う。再生運転を行う前に臭気が発生した場合、触媒フィルタは飽和状態に近いため、臭気物質を充分に吸着できない。【解決手段】本発明は、予め定めた所定の時間帯における臭気強度を記憶し、記憶した臭気強度の中で最大となる時間帯の前に再生運転を完了させるように設定する。【選択図】 図4