PROBLEM TO BE SOLVED: To provide a carbon dioxide recovery apparatus that recovers carbon dioxide in exhaust gas exhausted from a cogeneration device by using adsorbent and supplies the carbon dioxide to a plant cultivation facility, and prevents reduction in adsorbing performance of the adsorbent.SOLUTION: A carbon dioxide recovery apparatus 1 that recovers carbon dioxide contained in exhaust gas exhausted from an internal combustion engine 22 which drives a power generator of a cogeneration device 10 and supplies the carbon dioxide to a plant cultivation facility (greenhouse) 2, comprises: an adsorption tank 60 in which a first adsorbent 72 is housed； and a storage tank 62 in which a second adsorbent 74 is housed, in which exhaust gas is pressure-fed to the adsorption tank, the carbon dioxide is adsorbed to the first adsorbent, the internal pressure of the adsorption tank is reduced to eliminate the carbon dioxide from the first adsorbent, the carbon dioxide is pressure-fed to the storage tank 62 and adsorbed to and stored in the second adsorbent 74, the carbon dioxide stored in the storage tank is supplied to the plant cultivation facility, and the adsorbent is dehumidified by a first compressor or the like.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2016,JPO&INPIT【課題】吸着剤を用いてコージェネレーション装置から排出される排ガスの二酸化炭素を回収して植物栽培施設に供給すると共に、吸着剤の吸着性能の低下を防止する二酸化炭素回収装置を提供する。【解決手段】コージェネレーション装置１０の発電機を駆動する内燃機関２２から排出される排ガスに含まれる二酸化炭素を回収して植物栽培施設（ハウス）２に供給する二酸化炭素回収装置１において、第１吸着剤７２が収容される吸着タンク６０と、第２吸着剤７４が収容される貯留タンク６２を備えると共に、排ガスを吸着タンクに圧送して二酸化炭素を第１吸着剤に吸着させ、吸着タンクの内部の圧力を減圧して二酸化炭素を第１吸着剤から脱離させて貯留タンク６２に圧送して第２吸着剤７４に吸着させて貯留させ、貯留タンクに貯留された二酸化炭素を植物栽培施設に供給すると共に、第１圧縮機などで吸着剤を除湿する。【選択図】図１
