Air treatment module

A module (100) for treating air, the module comprising:

• a rotational filter assembly (110) comprising a filter unit (190) comprising a carbon dioxide capturing media;
• an inlet (120) connected to the rotational filter assembly, and an outlet (130) connected to the rotational filter assembly, wherein a regenerating region (114) is formed between the inlet and the outlet;
• a conduit (140) connecting the outlet to the inlet, thus forming a collection loop passing through the rotational filter assembly and the regenerating region;
• and
• a first flow generator (150) configured to generate a flow in the collection loop;
• wherein the module is configured to capture carbon dioxide from a main stream of air when the carbon dioxide capturing media is in a capturing region, thus treating the main stream of air, and to release captured carbon dioxide to the collection loop when the carbon dioxide capturing media is in the regenerating region;
• wherein the module further comprises:
• a second inlet (160) connected to the conduit, the second inlet being configured to provide a regenerating gas to the collection loop for facilitating said release of captured carbon dioxide;
• and
• a second outlet (170) connected to the conduit, the second outlet being configured to discharge the released carbon dioxide from the collection loop;
• wherein the filter unit is configured to rotate between the capturing region and the regenerating region.