Carbon dioxide recovery apparatus

A carbon dioxide recovery apparatus comprising:

• a reactor having an adsorbent that adsorbs carbon dioxide and configured to adsorb and desorb carbon dioxide of a gas to be processed by using the adsorbent;
• a heat pump configured to heat the reactor with a first heat medium having a relatively high temperature and cool the reactor with a first heat medium having a relatively low temperature;
• a solar collector configured to transfer solar thermal energy to a second heat medium;
• a first flow path configured to circulate the second heat medium that heats the first heat medium having the relatively high temperature and a second flow path configured to circulate the second heat medium that heats the first heat medium having the relatively low temperature;
• a switching portion configured to switch circulation of the second heat medium from the solar collector to the first flow path or the second flow path;
• a temperature acquisition portion configured to acquire a temperature of the first heat medium;
• a solar radiation amount acquisition portion configured to acquire an amount of solar radiation received by the solar collector;
• and
• a control device configured to control an operation of the switching portion in accordance with temperature information of the first heat medium output from the temperature acquisition portion and solar radiation amount information output from the solar radiation amount acquisition portion.