Beneficiation of Iron Ores | ispatguruApr 3, 2014 . Several methods/techniques such as washing, jigging, magnetic separation, gravity separation, and flotation etc. are used to enhance the Fe content of the Iron ore and to reduce its gangue content. These techniques are used in various combinations for the beneficiation of iron ores. For beneficiation of a.methods in beneficiation of iron ore,beneficiation of iron ore - ethesisnitrBanded hematite Jasper (BHJ) and slimes. This is met by the following specific objectives: • Study of field data collected from NIM(noamundi iron ore mines). • Study the characterization data of BHJ and study the methods of up gradation by seeing to the characterization results. • Proposal of methods for beneficiation of iron.