PROCESS FOR RECOVERING TITANIUM DIOXIDE FROM TITANIUM CONTAINING MATERIALS

A process operating at super-atmospheric pressure for leaching a titanium containing ore with an HCI and producing titanium dioxide with integrated steps of solvent extraction for removing iron from the leached ore and solvent extraction of a resulting titanium enriched raffinate to produce particle...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	LAFONTAINE STEEVE, SIXBERRY RICHARD A, MOORE CARROLL, LAROCHELLE ERIC, BASHIR OUMAR, LAROCHELLE TOMMEE
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	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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Beschreibung
Zusammenfassung:	A process operating at super-atmospheric pressure for leaching a titanium containing ore with an HCI and producing titanium dioxide with integrated steps of solvent extraction for removing iron from the leached ore and solvent extraction of a resulting titanium enriched raffinate to produce particles suitable for finishing into pigment grade TiO2. The process can integrate the recovery of HCI from both solvent recovery steps and the recovery of solvent. The process also produces commercial grade ferric chloride. 在超大气压力下操作用HCl沥滤含钛矿石并产生二氧化钛的方法，其具有用于从沥滤矿石中除去铁的溶剂提取和所得富钛提余物的溶剂提取的综合步骤以产生适于修整成颜料级TiO2的颗粒。方法可将从两个溶剂回收步骤中回收HCl和溶剂的回收结合。方法还产生商业级氯化铁。