Process for the production of titanium oxide

Details Process for the production of titanium oxide Process for the production of titanium oxide

1997-03-24

2000-07-18

Bos, Steven

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group ivb metal

423616, C01G 2302, C01G 23047

Patent

active

060903546

ABSTRACT:
A process for production of titanium oxide comprises digesting an ilmenite ore in which at least 92% by weight of the iron which is present is in the ferrous form, if necessary adding a reducing agent and subsequently precipitating hydrous titanium oxide. When a reducing agent is added the amount used is equivalent to less than 4.0% by weight metallic iron calculated with respect to ilmenite ore. The process enables an increased throughput on a pigment plant and less co-product in the form of iron compounds is produced.

REFERENCES:
patent: 2344288 (1944-03-01), Dahlstrom
patent: 3877929 (1975-04-01), Whitehead et al.
patent: 4089675 (1978-05-01), Preston et al.
patent: 4762552 (1988-08-01), Baldwin et al.

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