US 11,944,931 B2
Direct air capture device
Andri Janett, Zurich (CH)
Assigned to CLIMEWORKS AG, Zurich (CH)
Filed by CLIMEWORKS AG, Zurich (CH)
Filed on May 22, 2023, as Appl. No. 18/321,360.
Claims priority of application No. 22181019 (EP), filed on Jun. 24, 2022.
Prior Publication US 2023/0415089 A1, Dec. 28, 2023
Int. Cl. B01D 53/02 (2006.01); B01D 53/04 (2006.01)
CPC B01D 53/0415 (2013.01) [B01D 53/0438 (2013.01); B01D 53/0446 (2013.01); B01D 2257/504 (2013.01); B01D 2257/80 (2013.01); B01D 2259/4009 (2013.01); B01D 2259/4068 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A separation station with a plurality of stationary separation units for separating carbon dioxide and/or water vapour from ambient air,
wherein each separation unit comprises at least one contiguous and sealing circumferential wall circumferentially enclosing at least one cavity,
said at least one contiguous and sealing circumferential wall defining an upstream opening and an opposed downstream opening,
said at least one cavity containing at least one gas adsorption structure for adsorbing said carbon dioxide and/or water vapour, including under ambient pressure and/or temperature conditions,
wherein said plurality of separation units is arranged in at least one essentially vertical collector wall structure, laterally enclosing one single common separation station cavity,
wherein at an upper side of the separation station, said separation station cavity is covered and closed by at least one cover unit with at least one air propelling device,
and wherein the separation station comprises said vertical collector wall structure formed by four separate flat collector walls, wherein each collector wall comprises at least four separation units arranged in a regular array of vertical columns and horizontal rows; and
wherein said vertical collector wall structure takes the form of a vertically oriented, polygonal prism having the four flat collector walls, and wherein at or between adjoining vertical edges of said collector walls, vertical members are provided, acting as pillar stands for the separation station.