System and method for passive collection of atmospheric carbon dioxide with enhanced air flow

A carbon dioxide collection system, comprising:

• a release enclosure comprising an opening and a sorbent regeneration system;
• a capture structure comprising a plurality of vertical panels oriented radially about a central axis of the capture structure, each vertical panel comprising a sorbent material, the capture structure being movable between a collection configuration and a release configuration;
• a chimney having a hyperboloid structure and shaped such that an airflow upward through the chimney is created, the chimney positioned above the release enclosure such that the airflow passes through the capture structure before exiting the chimney while the capture structure is in the collection configuration, the chimney comprising a heating material configured to absorb solar radiation such that an air temperature inside the chimney is greater than an ambient air temperature outside the chimney;
• at least one solar panel coupled to the chimney;
• and
• a product outlet in fluid communication with the inside of the release enclosure and configured to emit a product stream of enriched fluid;
• wherein the collection configuration comprises the capture structure elevated above the release enclosure such that the sorbent material of the capture structure is exposed to the airflow generated by the chimney, allowing the sorbent material to capture carbon dioxide from the airflow;
• and
• wherein the release configuration comprises the capture structure being sufficiently enclosed inside the release enclosure that the sorbent regeneration system may operate on the sorbent material of the capture structure to release carbon dioxide collected by the capture structure while in the collection configuration to form an enriched fluid within the release enclosure.