Acid melt treatment to activate carbon for use as reductant

Chemistry of inorganic compounds – Halogen or compound thereof – Binary compound containing metal

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Details

423137, 423415A, 423460, 423DIG12, 423445, 502180, 502418, C01F 758

Patent

active

044341490

ABSTRACT:
A novel method of activating carbon is provided comprising contacting the carbon with low temperature aluminum chloride acid melts comprising at least 50 mole percent aluminum chloride and less than 50 mole percent of at least one halide salt capable of exhibiting a liquid state at atmospheric conditions, e.g., sodium chloride. Carbon activated according to the present invention is useful as a reductant of the chlorination of aluminous materials to produce anhydrous aluminum chloride.

REFERENCES:
patent: 4039648 (1977-08-01), Haupin et al.

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