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Anyone could share the experience in Processing to improve the Iron total grade in Goethite? Any input will be highly appreciated. The Goethite content and the total Iron grade varies across the samples. First issue is to improve the total Iron. Second issue is the Phosphorous and Al2O3 are too high for Iron and steel manufacturing feed. Other mineral presents are also vary between samples but the most difficult to treat is consist of Goethite, Berlinite and Quartz.