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US 12,595,206 B2Granted
Method of calcining a clay material
AssigneeAmrize Technology Switzerland LLC
InventorsThomas Durand, Pascal Dion
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Abstract
A method of calcining a clay material for use as a supplementary cementitious material, includes providing a raw clay material, optionally drying the raw clay material, granulating the raw clay material in order to obtain raw clay granules, calcining the raw clay granules to obtain calcined clay granules, and grinding the calcined clay granules to obtain a pulverulent supplementary cementitious material.
Claims18
A method of calcining a clay material for use as a supplementary cementitious material, comprising:
- providing a raw clay material,
- optionally drying the raw clay material,
- granulating the raw clay material in order to obtain raw clay granules,
- calcining the raw clay granules to obtain calcined clay granules, and
- grinding the calcined clay granules to obtain a pulverulent supplementary cementitious material,
- wherein the granulating is carried out to obtain raw clay granules having a volume based particle size of 25 mm to 80 mm.
3 more elements
Dependencies are inferred from the claim text.