Production of high purity hydrogen fluoride from silicon tetrafl

Details Production of high purity hydrogen fluoride from silicon tetrafl Production of high purity hydrogen fluoride from silicon tetrafl

1976-10-07

1977-07-19

Vertiz, O. R.

Chemistry of inorganic compounds

Halogen or compound thereof

Hydrogen halide

423337, 423488, 423336, C01B 722, C01B 3312

Patent

active

040369382

ABSTRACT:
Method and apparatus for the production of high purity hydrogen fluoride by the flame hydrolysis of silicon tetrafluoride and the deliberate cooling of the silicon dioxide and hydrogen fluoride reaction products without appreciable dilution to promote agglomeration of the silicon dioxide and permit separation of the hydrogen fluoride with substantially no contamination.

REFERENCES:
patent: 2631083 (1953-03-01), Engelson et al.
patent: 3053627 (1962-11-01), Flemmert
patent: 3110562 (1963-11-01), Hinkle
patent: 3203759 (1965-08-01), Flemmert
patent: 3645684 (1972-02-01), De Cuir

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