Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Andrea de Castro Sheldon0
Earl M. Smith, Jr.0
Date of Patent
December 1, 2009
0Patent Application Number
112524070
Date Filed
October 18, 2005
0Patent Primary Examiner
Patent abstract
This invention relates to a process for beneficiating a titaniferous ore. The process comprises leaching the titaniferous ore with sulfuric acid to form a leached ore, calcining the leached ore in the presence of oxygen to form a calcined ore, and leaching the calcined ore with sulfuric acid, hydrochloric acid, and/or nitric acid to form a beneficiated ore. The leached ore is not reduced prior to or following calcination.
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