| abstract |
The gas treatment method includes: an absorption step in which a gas to be treated containing an acidic compound such as carbon dioxide is brought into contact with a treatment liquid for absorbing the acidic compound in an absorber (12); In (14), the treatment liquid is heated, and the acidic compound is separated from the treatment liquid. In the regeneration step, a gas that is hardly dissolved in the treatment liquid, such as hydrogen, is brought into contact with the treatment liquid. |