Reagents in iron ores flotation ScienceDirect
01/02/2005· Corn starch has been used in iron ore flotation in Brazil since 1978. The trade name of the reagent was Collamil, consisting of a very fine and very pure product. The amylose plus amylopectin content reached 98 to 99 , dry basis, the balance being represented by minor contents of fibres, mineral matter, oil and proteins. This starch was used at Samarco and also at phosphate



































