Deodorizer

A deodorizer comprising:

• a body case having an inlet and an outlet opening outward, and having an air duct providing communication between the inlet and the outlet;
• a blowing fan included in the body case, for introducing indoor air into the air duct extending from the inlet to the outlet;
• a deodorizing filter provided in a middle of the air duct, introduced air passing through the deodorizing filter;
• a heater placed to face at least a partial region of the deodorizing filter, for heating the deodorizing filter at 200° C. or less;
• a motor for changing position of the deodorizing filter relative to the heater, and
• a controller for controlling operations of the blowing fan and the heater and configured to control an operation of the motor, wherein the controller includes a control program programmed to drive the motor at preset timing to rotate the deodorizing filter;
• the deodorizing filter comprising an adsorbent that does not oxidatively decompose an adsorbed material, a catalyst component that oxidatively decomposes the adsorbed material, and a carrier carrying the adsorbent and the catalyst component, wherein
• the controller is configured to operate the deodorizer in a regenerating operation including heating the deodorizing filter using the heater at a predetermined temperature for a predetermined time, and
• the deodorizing filter is configured to adsorb ethanol and release acetic acid in the regenerating operation, the deodorizing filter containing a weight percentage of the catalyst component with respect to components carried by the carrier being set to provide a rate of conversion of ethanol into acetic acid, that is a ratio of a molar amount of acetic acid released from the deodorizing filter to a molar amount of ethanol having been adsorbed by the catalyst component, of 15% or less on average during the regenerating operation,
• wherein the catalyst component is composed of manganese oxide,
• wherein in the deodorizing filter, a weight percentage of the manganese oxide with respect to the components carried by the carrier is 5 wt% to 10 wt%.