Patent ID: 11932914
Assignee: S.A. LHOIST RECHERCHE ET DEVELOPPEMENT
Field: Materials, metallurgy (Chemistry)
Classification: CPC C  Y | IPC C

Claim 1:
2. Process according to claim 1 wherein the said slag material comprising at least calcium, aluminum iron, moisture, and a phase of calcium dominate comprises:
an amount of calcium measured by X-ray fluorescence expressed in equivalent CaO comprised between 20 and 45 wt % relative to the weight of the slag material;
an amount of aluminum measured by XRF expressed in equivalent Al2O3 comprised between 10 and 45 wt % relative to the weight of the slag material; and
an amount of iron measured by XRF expressed in equivalent Fe2O3 of at least 2 wt % relative to the weight of the slag material,
and wherein at least a part of said amount of calcium and at least a part of said amount of aluminum is present in said calcium aluminate phase.