Chemistry of inorganic compounds – Treating mixture to obtain metal containing compound – Group ivb metal
Patent
1978-06-19
1979-11-27
Carter, Herbert T.
Chemistry of inorganic compounds
Treating mixture to obtain metal containing compound
Group ivb metal
423 82, 423 84, 75 1TI, C01G 2300, C01G 2304
Patent
active
041761596
ABSTRACT:
The process basically consists of the removal of the impurities contained in titanium minerals, in which titanium is present in the form of oxides in complex association with other minerals which cannot be eliminated by the conventional hydro-metallurgical processes.
The conditioning of the mineral by pyro-metallurgical treatment followed by magnetic separation, removes a part of the magnetic impurities at the same time that it exposes those impurities to the action of leaching acids and thus makes it possible for them to be removed easily. The alkaline treatment following the acid leaching permits elimination of the phosphorus contained as a harmful impurity, and makes it possible to secure a product within the specifications of the consumer market for use as a raw material mainly for the obtention of pigments and metallic titanium, which are the main forms in which titanium ores enter into consumption.
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de Mendonca Paulo Ayres Falcao
Paixao Jose Marcio Jardim
Carter Herbert T.
Groff, Jr. Emory L.
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