Treatment of raw materials containing titanium

Details Treatment of raw materials containing titanium Treatment of raw materials containing titanium

1976-04-27

1978-04-04

Vertiz, O. R.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group ivb metal

423 49, 423 54, 423 63, 423 82, 423 85, 423139, 423146, 423531, 423616, C01G 2304

Patent

active

040828328

ABSTRACT:
Production of titanium dioxide which is characterized by recovery of reusable H.sub.2 SO.sub.4, highly pure Fe oxide and hydroxide and fractional recovery of Mn, V and Cr, etc., from FeSO.sub.4. nH.sub.2 O and waste acid of 20 - 40% H.sub.2 SO.sub.4 containing abundant heavy metallic ions, which are by-produced in the production of TiO.sub.2 by dissolution of Ti raw materials such as ilmenite, steel production slag, such as electric furnace slag, convertor slag with H.sub.2 SO.sub.4.

REFERENCES:
patent: 3025135 (1962-03-01), Kenworthy
patent: 3067010 (1962-12-01), Long et al.
patent: 3479378 (1969-11-01), Orlandini
patent: 3725527 (1973-04-01), Yamamura
patent: 3875285 (1975-04-01), Nyman
patent: 3976475 (1976-08-01), Markland

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