Purification of gases containing hydrogen fluoride impurity

Details Purification of gases containing hydrogen fluoride impurity Purification of gases containing hydrogen fluoride impurity

1975-09-26

1976-12-07

Spear, Jr., Frank A.

Gas separation

Means within gas stream for conducting concentrate to collector

423240, 55 56, B01D 5300

Patent

active

039960293

ABSTRACT:
This invention relates to the removal from gaseous mixtures comprising hydrogen chloride or sulfuryl fluoride and hydrogen chloride of hydrogen fluoride impurity by solubilization of the latter with sulfur dioxide.

REFERENCES:
patent: 3074779 (1963-01-01), Quin
patent: 3488920 (1970-01-01), Hutchinson

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