Inventors:
Robert G. Auger - Monroeville PA
Edward F. Restelli - Oakmont PA
Assignee:
United States Steel Corporation - Pittsburgh PA
International Classification:
C01G 2304, C01G 4906, C01G 4902
Abstract:
Synthetic rutile is made from ilmenite by pre-oxidizing it, reducing it in a fluid bed, thereafter aeration leaching it, optionally acid leaching, and drying.