Process for producing hydrogen fluoride

Details Process for producing hydrogen fluoride Process for producing hydrogen fluoride

1976-09-29

1977-06-21

Stern, Edward

Chemistry of inorganic compounds

Halogen or compound thereof

Hydrogen halide

423483, 423539, C01B 722

Patent

active

040311910

ABSTRACT:
There is disclosed an improvement in the process of manufacturing HF wherein sulfur accumulates in HF process equipment. The improvement comprises adding to the process equipment sufficient SO.sub.3 to remove the sulfur and emptying the equipment.

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patent: 3404953 (1968-10-01), Carson
patent: 3607121 (1971-09-01), Watson et al.

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