	US 12,358,840 B2
	Methods for processing incinerator bottom ash
Ian Skene, Inverurie (GB)
Assigned to Recycle8 Ltd., Aberdeenshire (GB)
Appl. No. 17/998,905
Filed by Recycl8 Ltd., Banchory (GB)
PCT Filed May 14, 2021, PCT No. PCT/GB2021/051175 § 371(c)(1), (2) Date Nov. 15, 2022, PCT Pub. No. WO2021/229245, PCT Pub. Date Nov. 18, 2021.
Claims priority of application No. 2007263 (GB), filed on May 15, 2020.
Prior Publication US 2023/0183133 A1, Jun. 15, 2023
Int. Cl. C04B 18/06 (2006.01); C04B 111/00 (2006.01)

CPC C04B 18/067 (2013.01) [C04B 2111/00784 (2013.01)]

22 Claims

1. A method for processing incinerator bottom ash (IBA) aggregate material comprising the steps of:

(i) carbonating IBA aggregate material by CO2 sequestration; and

(ii) adding a stabilizing additive to, and mixing the stabilizing additive with, the carbonated IBA aggregate material to form a stabilized IBA composition, wherein the stabilizing additive comprises one or more components from group (b1) and one or more components from group (b2), wherein group (b1) consists of aluminium chloride and at least one other metal chloride, and wherein group (b2) consists of silica, zeolite and apatite.