| 摘要 |
The invention pertains to a system for purification of a carbon dioxide rich flue gas generated in a boiler (2) combusting a fuel in the presence of a gas containing oxygen, and being contaminated by NOx gases, wherein the system comprising one or more gas drier(s) (75, 78) comprising desiccants for removal of at least a portion of water content of the further compressed carbon dioxide rich flue gas; and a closed loop (80) connected to the drier(s) (75, 78) for regeneration of desiccants of the drier(s) wherein the NOx gases are removed substantially separately from the water vapour. The invention pertains also to a method for removing the NOx gases substantially separately from the water vapour.
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