ES2926356 (A1)
Reducing mixture of Cr(VI) contained in cement to Cr(III)
(22) 14.04.2021
(43) 25.10.2022
(57) Cr(VI) reducing composition contained in cement to Cr(III). The reducing mixture of Cr(VI) contained in cements is a mixture of two industrial by-products, on the one hand, ferrous sulfate filter cake (Filter Salt), as a residue from the manufacture of TiO2 and on the other, iron silicate slag. iron from obtaining electrolytic copper, to which a natural aggregate is added, in a small proportion, which acts as a neutralizer of the acidity of the ferrous sulfate (dolomite, calcite and/or slaked lime).
(71) Aditivos del Cemento S.L. (ES)
