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US 5,632,966 AGranted
Process for hydrogen fluoride separation
AssigneeAlliedSignal Inc.
InventorsMichael Van Der Puy, Mathew H. Luly
Life of this patent
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Abstract
The present invention provides a convenient method for separating hydrogen fluoride from a chemical mixture. More specifically, a method is provided in which hydrogen fluoride is separated from a chemical mixture containing at least one organic material by contacting the chemical mixture with a hydrogen fluoride binder. The hydrogen fluoride separated from the chemical mixture is readily recoverable from the hydrogen fluoride binder.
Claims19
A process for separating hydrogen fluoride from a chemical mixture containing hydrogen fluoride and at least one organic material comprising the steps of:
- (A) contacting the chemical mixture with a hydrogen fluoride binder, comprising hydrogen fluoride and an acid salt, under conditions suitable to produce a mixture having (i) a binder phase comprising hydrogen fluoride extracted from the chemical mixture and the hydrogen fluoride binder and (ii) an organic phase;
- (B) separating the binder phase from the mixture produced in step (A);
- and
- (C) recovering the hydrogen fluoride extracted from the chemical mixture from the binder phase.
1 more element
Dependencies are inferred from the claim text.