SYSTEM AND METHOD FOR SEPARATING AND RECOVERING CARBON DIOXIDE

This method for separating and recovering carbon dioxide comprises: a step wherein a carbon dioxide adsorbent in the form of particles and a gas to be processed containing carbon dioxide are brought into contact with each other, thereby having carbon dioxide contained in the gas to be processed adso...

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Bibliographische Detailangaben
Hauptverfasser: OKUMURA TAKESHI, YAMADA HIDENAO, YOGO KATSUNORI, TANAKA KAZUO, NISHIBE SHOHEI, YAMAMOTO MAKOTO, YOSHIZAWA KATSUHIRO, NUMAGUCHI RYOHEI
Format: Patent
Sprache:chi ; eng
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Zusammenfassung:This method for separating and recovering carbon dioxide comprises: a step wherein a carbon dioxide adsorbent in the form of particles and a gas to be processed containing carbon dioxide are brought into contact with each other, thereby having carbon dioxide contained in the gas to be processed adsorbed on the carbon dioxide adsorbent; and a step wherein the carbon dioxide adsorbent, on which carbon dioxide is adsorbed, and superheated steam are brought into contact with each other, thereby having the carbon dioxide separated from the carbon dioxide adsorbent so as to regenerate the carbon dioxide adsorbent, while recovering the separated carbon dioxide. The saturation temperature of the superheated steam to be brought into contact with the carbon dioxide adsorbent is not more than the temperature of the carbon dioxide adsorbent to be brought into contact with the superheated steam; and the regenerated carbon dioxide adsorbent is utilized again for the adsorption of carbon dioxide without going through a dryi