A recovery apparatus of carbon dioxide comprising: an absorption column configured to bring a gas containing carbon dioxide into contact with an absorbing liquid and to allow the absorbing liquid to absorb carbon dioxide; a regeneration column for regenerating the absorbing liquid, configured to cause the absorbing liquid having carbon dioxide absorbed in the absorption column to release carbon dioxide; a circulation system (12, 16, 17, 23) configured to circulate the absorbing liquid in such a manner that the absorbing liquid flows from the absorption column and returns to the absorption column through the regeneration column; and a steam supply system configured to generate steam, using the absorbing liquid, and to supply the steam to the regeneration column, wherein: the regeneration column is configured to regenerate the absorbing liquid by heating the absorbing liquid to a regeneration temperature for releasing carbon dioxide from the absorbing liquid and by supplying heat of reaction, the circulation system comprises a heat exchanger configured to perform heat exchange between the absorbing liquid supplied from the absorption column to the regeneration column and the absorbing liquid that returns from the regeneration column to the absorption column, and the steam supply system comprises: a steam generator comprising a tank configured to generate the steam from the absorbing liquid that has passed heat exchange by the heat exchanger and returns to the absorption column; another steam generator comprising a tank configured to generate the steam from the absorbing liquid in the absorption column; and a compression device configured to compress both of the steam generated in the two tanks together to raise a temperature of the steam. an absorption column configured to bring a gas containing carbon dioxide into contact with an absorbing liquid and to allow the absorbing liquid to absorb carbon dioxide; a regeneration column for regenerating the absorbing liquid, configured to cause the absorbing liquid having carbon dioxide absorbed in the absorption column to release carbon dioxide; a circulation system (12, 16, 17, 23) configured to circulate the absorbing liquid in such a manner that the absorbing liquid flows from the absorption column and returns to the absorption column through the regeneration column; and a steam supply system configured to generate steam, using the absorbing liquid, and to supply the steam to the regeneration column, wherein: the regeneration column is configured to regenerate the absorbing liquid by heating the absorbing liquid to a regeneration temperature for releasing carbon dioxide from the absorbing liquid and by supplying heat of reaction, the circulation system comprises a heat exchanger configured to perform heat exchange between the absorbing liquid supplied from the absorption column to the regeneration column and the absorbing liquid that returns from the regeneration column to the absorption column, and the steam supply system comprises: a steam generator comprising a tank configured to generate the steam from the absorbing liquid that has passed heat exchange by the heat exchanger and returns to the absorption column; another steam generator comprising a tank configured to generate the steam from the absorbing liquid in the absorption column; and a compression device configured to compress both of the steam generated in the two tanks together to raise a temperature of the steam. the regeneration column is configured to regenerate the absorbing liquid by heating the absorbing liquid to a regeneration temperature for releasing carbon dioxide from the absorbing liquid and by supplying heat of reaction, the circulation system comprises a heat exchanger configured to perform heat exchange between the absorbing liquid supplied from the absorption column to the regeneration column and the absorbing liquid that returns from the regeneration column to the absorption column, and the steam supply system comprises: a steam generator comprising a tank configured to generate the steam from the absorbing liquid that has passed heat exchange by the heat exchanger and returns to the absorption column; another steam generator comprising a tank configured to generate the steam from the absorbing liquid in the absorption column; and a compression device configured to compress both of the steam generated in the two tanks together to raise a temperature of the steam.