A mechanochemically carbonated slag, methods of its production and uses thereof
AssigneeCarbon Upcycling Technologies Inc.
InventorsApoorva Sinha, Sip Chen Liew
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Abstract
The present invention relates to mechanochemically carbonated slags. The invention further relates to methods of its production and uses thereof, for example a filler. The invention further relates to compositions comprising the mechanochemically carbonated slag and a further material selected from the group consisting of asphalt, geopolymer, cement, polymers and combinations thereof and methods of their production. The invention further relates to concrete and methods of their preparation.
Claims21
-18. (canceled)
A mechanochemically carbonated slag which has a specific surface area within the range of 0.1-50 m2/g and a D50 within the range of 0.1-50 μm.
A method for producing a mechanochemically carbonated slag, said method comprising the following steps:
- a) providing a feedstock comprising a slag precursor;
- b) providing a gas comprising at least 0.5 vol % CO2;
- c) introducing said feedstock and said gas into a mechanical agitation unit;
- and
- d) subjecting the material of said feedstock to a mechanical agitation operation in the presence of said gas in said mechanical agitation unit.
Dependencies are inferred from the claim text.