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Iron Ore Reverse Flotation

column flotation for the beneficiation of iron ,the requirement for higher quality iron ore demands that the silica and alumina contents be lowered for effective use in the steel making. reverse flotation (silica..reverse column flotation of iron ore,the use of column flotation was considered for the 'reverse flotation' of iron ore, where the gangue (quartz) was recovered in the froth product. this use of the .beneficiation of iron ore by flotation,the flotation method most commonly applied is the one that is based on cationic flotation of silica and silicates (reverse flotation), and which is preceded, or not, .froth flotation of ,although direct anionic flotation was the first flotation route employed in the iron ore industry, it was later largely replaced by the more efficient reverse cationic .

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