Abstract: Provided is a carbon dioxide removal apparatus capable of reducing heat loss that can be caused when carbon dioxide is desorbed from an adsorbent. The carbon dioxide removal apparatus includes a frame, and an adsorption-desorption part supported by the frame. A clearance is provided between the frame and the adsorption-desorption part, and an air guide having flexibility is provided in the clearance.

Abstract: Provided is a carbon dioxide removal apparatus that enables determination of whether or not carbon dioxide has desorbed from an adsorbent without using a carbon dioxide sensor. A carbon dioxide removal apparatus includes a carbon dioxide adsorption module, a first valve provided in an intake part of the carbon dioxide adsorption module, a second valve provided in a discharge part of the carbon dioxide adsorption module, a third valve connected to the discharge part, a vacuum pump connected to the carbon dioxide adsorption module via the third valve, and a controller. The carbon dioxide adsorption module includes a pressure meter and an adsorbent, and the controller is configured to perform, based on a pressure measured by the pressure meter, at least one of determining whether carbon dioxide has desorbed from the adsorbent or detecting an abnormality.

Abstract: Included are: a CO2 adsorber 7 including a plurality of adsorption passages 71 allowing exhaust gas to flow through and an adsorbent, on its wall surface, capable of adsorbing and desorbing CO2 depending on a temperature, and a heat exchanger 6 including a plurality of heat exchange passages 61 allowing the exhaust gas to flow through, being disposed in contact with the CO2 adsorber 7, and, when the exhaust gas flows through the heat exchange passages 61, transferring the heat to the CO2 adsorber 7 for heating it while removing the heat of the exhaust gas. The numbers of adsorption cells 72 and heat exchange cells 62 per unit area in a transverse section C are each set to a predetermined number and/or the sizes of the adsorption cell 72 and the heat exchange cell 62 in the transverse section C are each set to a predetermined size.