摘要 |
A Ti-contg. additive takes the form of a powdered mixt. of residues from TiO2 prodn. together with, opt., one or more of either C or C-contg. residues or Fe, Fe oxide, or residues contg. these, plus one or more alkaline earth metal oxides or hydroxides, Al2O3 or Al(OH)3, SiO2, or residues contg. any of these named cpds. The additive may contain a binder and be in the form of briquettes, pellets or granulate. |