	US 12,239,938 B2
	Gas treatment element and a method of forming a gas treatment element
Colin Billiet, Tyne and Wear (GB); and James Holcroft, Gateshead (GB)
Assigned to Air Purification Skroll Ltd, (GB)
Filed by Air Purification Skroll Ltd, Gateshead (GB)
Filed on Mar. 28, 2023, as Appl. No. 18/127,510.
Application 18/127,510 is a continuation of application No. 16/304,326, granted, now 11,612,856, previously published as PCT/GB2017/051463, filed on May 24, 2017.
Claims priority of application No. 1609108 (GB), filed on May 24, 2016.
Prior Publication US 2023/0233990 A1, Jul. 27, 2023
Int. Cl. B01D 53/02 (2006.01); B01D 53/04 (2006.01); B01D 53/26 (2006.01); B01D 53/28 (2006.01); B01J 20/16 (2006.01); B01J 20/28 (2006.01); B01J 20/30 (2006.01)

CPC B01D 53/261 (2013.01) [B01D 53/0431 (2013.01); B01D 53/28 (2013.01); B01J 20/165 (2013.01); B01J 20/2804 (2013.01); B01J 20/3042 (2013.01); B01J 20/305 (2013.01); B01D 2253/108 (2013.01); B01D 2253/25 (2013.01); B01D 2253/34 (2013.01); B01D 2257/80 (2013.01)]

8 Claims

1. An element for a pressure swing adsorption gas treatment apparatus, the element comprising at least one sheet material including at least one adsorbent material and at least one binder, the sheet material having an embossed pattern with indentations on one side and matching protrusions on the other side, the sheet being rolled to have a substantially cylindrical shape with a substantially spiral-shaped cross-section, wherein the element is configured such that spaces between adjacent layers of said rolled sheet provide pathways for gases passing axially along said element.