Regenerable cold trap for aluminum chloride effluent

Details Regenerable cold trap for aluminum chloride effluent Regenerable cold trap for aluminum chloride effluent

1982-08-09

1984-10-30

Nozick, Bernard

Chemistry of inorganic compounds

Halogen or compound thereof

Hydrogen halide

55 69, 55 71, 55 82, 55269, 23294R, 423495, 62 555, C01B 701

Patent

active

044799276

ABSTRACT:
Aluminum chloride gases and other gases from a processing system are directed to a cold trap including a blower connected thereto. The blower directs the gases, except for the aluminum chloride, out of the cold trap. The aluminum chloride is solidified in the trap. Means including a heater are provided to convert the solid aluminum chloride to a vapor and selectively empty the aluminum chloride out of the cold trap into another trap associated with means for chemically treating the aluminum chloride. The cold trap is then cooled and ready to receive additional aluminum chloride from the processing system.

REFERENCES:
patent: 1478750 (1923-12-01), McElroy
patent: 2450289 (1948-09-01), Marek
patent: 2813786 (1957-11-01), Milliken
patent: 3690827 (1972-09-01), Garrett
patent: 4252772 (1981-02-01), Way

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