Patent · US Expired

Process of recovering anhydrous zirconium tetrafluoride

US4399118A · kind A · utility

2Cited by
6References
15Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 25, 1981
Grant dateAug 16, 1983
Priority date
Expiry dateJun 25, 2001

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC01G25/04
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

An improved process for the recovery of substantially anhydrous zirconium tetrafluoride from an aqueous solution of hydrofluoric acid and zirconium fluoride is disclosed wherein the aqueous solution of hydrofluoric acid and zirconium fluoride is sprayed, preferably continuously, into a fluidized bed furnace having a bed comprising zirconium fluoride granules.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.