Flotation collectors were mainly identified as Anionic Collectors, these are fatty acid based compounds which, such as Tall Oil Fatty Acid (TOFA). And Cationic Collectors, are typically amine-based compound, such as Gum Rosin Amine. Anionic collectors can be used in the flotation of phosphate and oxide minerals. Cationic collectors can be used in the flotation of quartz or silicates.
Gum rosin and the derivatives chiefly consist of resin acids, especially abietic acid, which capable of in the flotation of Hematite, Magnetite, and Goethite. The derivatives can neutralize to sodium soap with caustic soda, such as DERCINATE™ 70D, a rosin soap was produced by DRT. TOFA can be applied in anionic collectors, react from TOFA as pentaerythritol ester of tall oil fatty acid, such as RESINOLINE™ E500 from DRT, a foaming agent for mineral flotation.
Gum rosin amine is the other important ingredient of flotation reagents, it can react a separation of Pyrocholore from Calcite or react a separation of SiO2 from Apatite.(Herbert G Burks, Brit, 800717, 1958). Another general product is Rosins Amine D™ a rosin amine acetate produced by PDM Inc. This series contains Dehydroabietylamine about 55%, Dihydroabietylamine about 15%, Tetrahydrobietylamine about 15%, Pimaricamine about 8% and Isopimaricamine about 7%.
NOTE: DERCINATE and RESINOLINE is the trademark of DRT. Roins Amine D is the trademark of PDM Inc.
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