A carbon dioxide capture system (100, 200, 300, 400, 500) for selective separation of carbon dioxide from flue gases, comprising: a first carbon dioxide adsorption/desorption section comprising a first carbon dioxide adsorption section (101, 201, 301, 401, 501), a first carbon dioxide desorption section (102, 202, 302, 402, 502) connected to the first carbon dioxide adsorption section, and a first carbon dioxide adsorbent circulating through the first carbon dioxide adsorption section and the first carbon dioxide desorption section; and a second carbon dioxide adsorption/desorption section comprising a second carbon dioxide adsorption section (101, 201, 301, 401, 501), a second carbon dioxide desorption section (102, 202, 302, 402, 502) connected to the second carbon dioxide adsorption section, and a second carbon dioxide adsorbent circulating through the second carbon dioxide adsorption section and the second carbon dioxide desorption section, wherein the first carbon dioxide adsorption section (101, 201, 301, 401, 501) is connected to the second carbon dioxide desorption section (102, 202, 302, 402, 502) such that adsorption heat generated from the first carbon dioxide adsorption section is transferred to the second carbon dioxide desorption section for the desorption of carbon dioxide when the first carbon dioxide adsorbent has higher adsorption and desorption temperatures than the second carbon dioxide adsorbent, wherein the first carbon dioxide adsorption section (101, 201, 301, 401) is connected to the second carbon dioxide desorption section (102, 202, 302, 402) in such a manner that the first carbon dioxide adsorption section (101, 201, 301, 401) penetrates the second carbon dioxide desorption section (102, 202, 302, 402) or the second carbon dioxide desorption section (102, 202, 302, 402) penetrates the first carbon dioxide adsorption section (101, 201, 301, 401), or wherein the first carbon dioxide adsorption section is connected to the second carbon dioxide desorption section through a heat transfer medium. a first carbon dioxide adsorption/desorption section comprising a first carbon dioxide adsorption section (101, 201, 301, 401, 501), a first carbon dioxide desorption section (102, 202, 302, 402, 502) connected to the first carbon dioxide adsorption section, and a first carbon dioxide adsorbent circulating through the first carbon dioxide adsorption section and the first carbon dioxide desorption section; and a second carbon dioxide adsorption/desorption section comprising a second carbon dioxide adsorption section (101, 201, 301, 401, 501), a second carbon dioxide desorption section (102, 202, 302, 402, 502) connected to the second carbon dioxide adsorption section, and a second carbon dioxide adsorbent circulating through the second carbon dioxide adsorption section and the second carbon dioxide desorption section, wherein the first carbon dioxide adsorption section (101, 201, 301, 401, 501) is connected to the second carbon dioxide desorption section (102, 202, 302, 402, 502) such that adsorption heat generated from the first carbon dioxide adsorption section is transferred to the second carbon dioxide desorption section for the desorption of carbon dioxide when the first carbon dioxide adsorbent has higher adsorption and desorption temperatures than the second carbon dioxide adsorbent, wherein the first carbon dioxide adsorption section (101, 201, 301, 401) is connected to the second carbon dioxide desorption section (102, 202, 302, 402) in such a manner that the first carbon dioxide adsorption section (101, 201, 301, 401) penetrates the second carbon dioxide desorption section (102, 202, 302, 402) or the second carbon dioxide desorption section (102, 202, 302, 402) penetrates the first carbon dioxide adsorption section (101, 201, 301, 401), or wherein the first carbon dioxide adsorption section is connected to the second carbon dioxide desorption section through a heat transfer medium.