The present invention obtained by a basic slag, and the mixing and / or processing from the residue from the titanium dioxide manufacturing metal production obtained during production of titanium dioxide using the sulfuric acid method (sulphate process) and / or a chlorine method (chloride process) which may be a titanium-containing aggregate, as a manufacturing method and metallurgical processes and concrete, cement, aggregate and / or filler for asphalt, the refractory material (refractory material), repair compound (repair compounds), a sizing material (sizing substances) that It relates to the use of aggregates.