Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Ephraim Jeya Kumari0
Abhishek Lahiri0
Animesh Jha0
Date of Patent
February 24, 2009
0Patent Application Number
117284460
Date Filed
March 26, 2007
0Patent Primary Examiner
Patent abstract
This invention relates to a process for beneficiating a titaniferous ore. The process comprises calcining the titaniferous ore, at least one alkali or alkaline earth metal salt, and at least one alumina-containing material in the presence of oxygen to form a calcined ore mixture, then leaching the calcined ore mixture with a solution comprising ammonium, sodium or magnesium chloride in the presence of oxygen to form a leached ore mixture, and contacting the leached ore with an acid to form a beneficiated ore.
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