Beneficiation of iron ore by flotation — Review of
INTRODUCTION Research on the flotation of iron ore on either a bench or a pilot plant scale started towards 1931 Crabtree and Vincent 1962 It was mostly confined to ores containing siliceous gangue which appears to be the most abundant type in the world and the reserves of which when based on a minimum tenor of 30 to 35% iron amounts to a respectable quantity of milliards of