US 12,220,692 B2
Calcination process
Tim Kruger, Walsall (GB); and Barrie Jenkins, Walsall (GB)
Assigned to Origen Power Ltd, Walsall (GB)
Appl. No. 17/598,197
Filed by Origen Power Ltd, Walsall (GB)
PCT Filed Mar. 26, 2020, PCT No. PCT/GB2020/050806
§ 371(c)(1), (2) Date Sep. 24, 2021,
PCT Pub. No. WO2020/201720, PCT Pub. Date Oct. 8, 2020.
Claims priority of application No. 1904480 (GB), filed on Mar. 29, 2019.
Prior Publication US 2022/0184574 A1, Jun. 16, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. B01J 6/00 (2006.01); B01D 53/047 (2006.01); C01B 32/50 (2017.01); C01F 11/06 (2006.01)
CPC B01J 6/001 (2013.01) [B01D 53/047 (2013.01); C01B 32/50 (2017.08); C01F 11/06 (2013.01); B01D 2256/12 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A process comprising:
(a) performing calcination of a metal carbonate by combustion of a fuel in the presence of a mixture of oxygen, water vapour and carbon dioxide, to generate a metal oxide, water vapour, carbon dioxide and heat;
(b) using the heat generated to drive an oxygen generation reaction; and
(c) using oxygen from the oxygen generation reaction of step (b) in the performing calcination of step (a).