Apparatus for chlorinating metal-bearing materials

Details Apparatus for chlorinating metal-bearing materials Apparatus for chlorinating metal-bearing materials

1973-12-20

1976-12-28

Wolk, Morris O.

Chemistry: physical processes

Physical processes

Crystallization

23284, 23288S, 34 57A, 432 15, B01J 824, B01J 844, C01G 2104

Patent

active

039999513

ABSTRACT:
Apparatus for chlorinating metal-bearing materials, e.g., titaniferous ores, to produce metal halide, e.g., titanium tetrachloride. The apparatus comprises a cylindrical furnace having an interior portion providing a chlorination zone and a floor adjacent the lower portion of the chlorination zone. The floor contains a plurality of perforations extending the thickness of the floor, which perforations define a gas channel extending from a chlorine chamber located below the floor to a point of discharge in the chlorination zone. The perforations preferably contain gas distributor tubes having a gas bore in open gas communication with the perforations in the floor. The opening in the perforation or gas distributor tube is a single vertical opening, at least one principal linear dimension of the vertical opening, measured across the opening, being not greater than 7/32 inch. Means for introducing chlorine into the chlorine chamber and means for withdrawing reaction products from the shaft furnace are provided. Preferably the vertical opening has a cross-sectional area at the point of gas discharge of from about 0.00019 inch.sup.2 to about 0.038 inch.sup.2.

REFERENCES:
patent: 2790703 (1957-04-01), Frey
patent: 3057701 (1962-10-01), Coates et al.
patent: 3086843 (1963-04-01), Evans et al.
patent: 3361639 (1968-01-01), Pyzel
patent: 3466021 (1969-09-01), Van Weert et al.
patent: 3699206 (1972-10-01), Dunn, Jr.
Fluidization & Fluid, Particle Systems, Zenz et al., 1960, pp. 113, 161-165, 181-186.
Perry's Chemical Engineers Handbook, 4th Ed., Perry et al., pp. 20-44, 45.

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