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Full-Text Articles in Engineering
Enhanced Phosphate Flotation Using Novel Depressants, Lingyu Zhang
Enhanced Phosphate Flotation Using Novel Depressants, Lingyu Zhang
Theses and Dissertations--Mining Engineering
Froth flotation is the most efficient method for phosphate separation, which is a physic-chemical separation process based on the difference of surface properties between the valuable minerals and unwanted gangue minerals. However, the presence of clay slimes in the slurry after grinding consumes a large amount of reagents, decreases the collision probability between bubbles and minerals, prevents phosphate particle attachment to air bubbles, and thus considerably reduces flotation recovery and concentrate grade. Georgia Pacific Chemical, LLC has recently developed novel depressants, i.e., clay binders, which are a series of low molecular weight specialty polymers to help improve phosphate flotation performance …