Chemistry of inorganic compounds – Treating mixture to obtain metal containing compound – Group iiia metal or beryllium
Patent
1974-01-11
1976-05-11
Stern, Edward
Chemistry of inorganic compounds
Treating mixture to obtain metal containing compound
Group iiia metal or beryllium
423137, 423495, 423496, 55 71, C01F 758, C01F 760, C01F 762
Patent
active
039564550
ABSTRACT:
Recovery of selectively constituted high purity aluminum chloride from the gaseous effluent of the chlorination of sodium contaminated alumina including the steps of purifying such gaseous effluent to provide essentially contaminant-free aluminum chloride in gaseous form in a gaseous carrier through selectively cooling the hot gaseous effluent to a temperature range well below the chlorination temperature but above the ambient condition condensation temperature of aluminum chloride yet sufficient to condense a selective portion of the condensable constituents therein including substantially all of the sodium aluminum chloride values therein, intermediate the steps of passing such gaseous effluent through filtration media to effect the separation of the condensed sodium aluminum chloride values and entrained solid and liquid particles therefrom and condensing high purity aluminum chloride values from the purified residual gaseous effluent to selectively constituted solid form at controlled temperatures.
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King Larry K.
Kloap Nicholas
Knapp Lester L.
Remper John A.
Schoener Ronald C.
Aluminum Company of America
Isner Robert E.
Stern Edward
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