Upgrading of zircon

Details Upgrading of zircon Upgrading of zircon

2005-05-24

2010-06-29

Vanoy, Timothy C (Department: 1793)

Chemistry of inorganic compounds

Oxygen or compound thereof

Metal containing

C423S594120

Reexamination Certificate

active

07744847

ABSTRACT:
A process for upgrading an inferior grade of zircon to a superior grade thereof includes mixing the inferior grade of zircon, in comminuted form, with at least one mineralizer, to obtain a zircon/mineralizer mixture, which is a calcined product. The calcined product is washed, and thereafter, in a comminution step, the washed calcined product is comminuted to obtain a superior grade of zircon, which is suitable for use as a glaze opacifier.

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Brennan et al., 1984, “Chemical Beneficiation of Zircon Concentrated in Western Australia”, Int. J. of Mineral Processing, 13:251-258.

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