Process for the production of high purity zirconia

Details Process for the production of high purity zirconia Process for the production of high purity zirconia

1986-09-24

1988-05-24

Stoll, Robert L.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group ivb metal

423 85, 423 69, 423 75, C01G 2502

Patent

active

047464976

ABSTRACT:
A process for the production of high-purity zirconia from dissociated zircon or other zirconiferous material is disclosed. The process includes leaching of the zirconiferous material with concentrated sulphuric acid and continuously removing the water formed during leaching to maintain the concentration of sulphuric acid at a substantially constant level.

REFERENCES:
patent: 1297371 (1919-03-01), Loveman
patent: 1460766 (1923-07-01), Rich
patent: 1502422 (1924-07-01), Cooper
patent: 1618286 (1927-02-01), Kinzie
patent: 3849532 (1974-11-01), Deneke et al.
patent: 4220843 (1980-09-01), Borer et al.

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