Process and apparatus for the treatment of flue gases

Details Process and apparatus for the treatment of flue gases Process and apparatus for the treatment of flue gases

B - Operations, Transporting

01

D

B01D 53/14 (2006.01) B01D 53/62 (2006.01)

Patent

CA 2754084

A process and an apparatus for the treatment of a carbon dioxide-containing flue gas stream are described, at least part of the carbon dioxide present being removed from the flue gas stream in a separating device having in particular an absorption column 7 with the formation of a gas stream having a low carbon dioxide content and a carbon dioxide-rich gas stream. For overcoming the pressure drop caused by the carbon dioxide removal in the absorption column 7, it is proposed that the gas stream having a low carbon dioxide content and formed after the removal of the carbon dioxide from the flue gas stream is subjected to a gas stream compression, for example by means of a flue gas blower 14.

L'invention porte sur un procédé et un dispositif pour le traitement d'un courant de fumées contenant du dioxyde de carbone, où, dans un dispositif séparateur, comportant en particulier une colonne d'absorption 7, on élimine du courant de fumées au moins une partie du dioxyde de carbone présent, avec formation d'un courant gazeux pauvre en dioxyde de carbone et d'un courant gazeux riche en dioxyde de carbone. Pour éviter la perte de charge, due à l'élimination du dioxyde de carbone dans la colonne d'absorption 7, il est prévu que le courant gazeux pauvre en dioxyde de carbone, formé après élimination du dioxyde de carbone se trouvant dans le courant de fumées, soit soumis à une compression du courant gazeux, par exemple à l'aide d'une soufflante (14) de fumées.

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