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The potential of liquid-liquid mineral separation mediated by ionic liquids (ILs) to beneficiate rare earth (RE) bearing minerals was investigated for the first time. Liquid-liquid separation tests were performed on actual RE-bearing ores whereas the role of ionic liquids was exposed using model monazite, bastnäsite, calcite and dolomite single minerals. The multiphase beneficiation system consisted...
Application of tetrabutylammonium bis(2-ethylhexyl)-phosphate ([N4444][DEHP]), a room temperature ionic liquid (IL), as an aqueous collector for flotation of model monazite and bastnäsite minerals was investigated through micro-flotation tests, zeta potential measurements, Fourier Transform Infrared (FTIR) spectroscopy, and X-ray photoelectron spectroscopy (XPS). The ionic liquid was shown to have...
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