تعويم لإثراء خام الحديد
الكواشف خام التعويم ;خام الحديد. الكواشف تعويم خام الحديد Mining Flotation reagents for nonsulfide ores Air Products and ... reagents for reverse flotation of nonsulfide ores. ... flotation, which is the process of selectively removing impurities during ore ... of iron ore, feldspar, calamine.