FIELD: pretreatment of titaniferous mineral for subsequent production of titanium tetrachloride. SUBSTANCE: method comprises the following steps: mixing mineral containing 45% by weight titanium with binding agent and water producing dry sintered cake, drying at temperature 75-150 C for period less than 30 min, followed by sintering at temperature 1000-1500 C for 5-300 min. Mineral is preliminarily ground to powder with particle size 1-50 mcm. Dry sintered cake has average particle size 100-500 mcm. EFFECT: higher titanium recovery percentage into downstream titanium products. 16 cl, 2 dwg, 9 tbl
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Authors
Dates
1997-05-27—Published
1989-07-25—Filed