Process for the treatment of an aqueous solution mainly containi

Details Process for the treatment of an aqueous solution mainly containi Process for the treatment of an aqueous solution mainly containi

1994-03-18

1997-02-18

Manoharan, Virginia

Distillation: processes, separatory

Distilling to separate or remove only water

159DIG19, 159DIG15, 203 13, 203 78, 203 80, 203 86, 4233942, 423488, B01D 310, B01D 336

Patent

active

056038119

ABSTRACT:
A process for treating an aqueous solution mainly containing nitric acid and hydrofluoric acid. The process involves distilling to provide an aqueous solution concentrated in nitric acid and hydrofluoric acid for the separation thereof, then separating by distillation.

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