Apparatus for removing carbon dioxide and the method for removing carbon dioxide by using the same

A carbon dioxide removal unit of the present invention the mixing section to dilute the incoming gas produce a pre-treatment gas concentration is reduced in carbon dioxide; Absorbent panel to form the rich absorbent by contacting the pre-treated gas discharged from the mixing portion to the absorbing agent including the first exhaust gas and the carbon dioxide absorbent is combined with the carbon dioxide is removed; Characterized in that a portion of the first exhaust gas, comprising: a the flowing part mixed; and the reproduction unit to form a second effluent gas by separating carbon dioxide from the rich absorbent discharged from the absorption section comprising a play absorbing agent and carbon dioxide do.