PROCESS FOR RECOVERING TITANIUM DIOXIDE FROM TITANIUM CONTAINING MATERIALS

Title:

PROCESS FOR RECOVERING TITANIUM DIOXIDE FROM TITANIUM CONTAINING MATERIALS

Document Type and Number:

WIPO Patent Application WO/2020/003004

Kind Code:

A3

Abstract:

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.

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Inventors:

LAROCHELLE ERIC (US)
MOORE CARROLL (US)
LAROCHELLE TOMMEE (US)
SIXBERRY RICHARD (US)
BASHIR OUMAR (CA)
LAFONTAINE STEEVE (CA)

Application Number:

PCT/IB2019/000829

Publication Date:

March 05, 2020

Filing Date:

June 27, 2019

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Assignee:

ARGEX TITANIUM INC (CA)

International Classes:

C22B3/44; C01G23/047; C01G23/08; C22B3/10; C22B3/22; C22B3/26; C22B34/12

Domestic Patent References:

WO2001000531A1	2001-01-04
WO2014085903A1	2014-06-12

Foreign References:

US1959765A	1934-05-22
CA610334A	1960-12-13
US10480047B1	2019-11-19

Attorney, Agent or Firm:

ROBIC, LLP (CA)

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