Purification of gaseous hydrogen chloride

Details Purification of gaseous hydrogen chloride Purification of gaseous hydrogen chloride

1973-04-26

1978-12-05

Hearn, Brian

Chemistry of inorganic compounds

Halogen or compound thereof

Hydrogen halide

423240, C01B 708

Patent

active

041286260

ABSTRACT:
A gaseous mixture of hydrogen chloride containing a minor proportion of hydrogen fluoride is contacted with solid, particulate, substantially anhydrous calcium chloride to remove said HF contamination.

REFERENCES:
patent: 2321282 (1943-06-01), Comstock
patent: 2919174 (1959-12-01), Pring
patent: 3140916 (1964-07-01), Lowdermilk
patent: 3464787 (1969-09-01), Carson
patent: 3472789 (1969-10-01), Cottrell

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