Production of titania

A sulfate process for producing titania from titaniferous material is disclosed. The process includes precipitating titanyl sulfate from leach liquors containing acidic solutions of titanyl sulfate. The process is characterised by: (a) multiple stage leaching to produce leach liquors containing acid...

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Bibliographic Details
Main Authors ROCHE ERIC GIRVAN, NICHOLSON SARAH, GRAZIER PHILIP ERNEST, STUART ALAN DAVID
Format Patent
LanguageChinese
English
Published 03.11.2010
Subjects
CHEMISTRY
COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F
FERROUS OR NON-FERROUS ALLOYS
INORGANIC CHEMISTRY
METALLURGY
PRETREATMENT OF RAW MATERIALS
PRODUCTION AND REFINING OF METALS
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Summary:A sulfate process for producing titania from titaniferous material is disclosed. The process includes precipitating titanyl sulfate from leach liquors containing acidic solutions of titanyl sulfate. The process is characterised by: (a) multiple stage leaching to produce leach liquors containing acidic solutions of titanyl sulfate; (b) using depleted leach liquor from a titanyl sulfate precipitation reactor in the leach steps; and (c) controlling acid concentration in the leach steps to avoid premature hydrolysis and premature precipitation.
Bibliography:Application Number: CN200480038028