The mechanism study on aryl-substituted aromatic acid ionic liquid as the collector for quartz flotation
Haonan Li 1,2
Mingming Yu 2,1,3
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Hubei Province Key Laboratory of Processing of Mineral Resources and Environment, Wuhan 430070, China
School of Resources and Environmental Engineering, Wuhan University of Technology, Wuhan 430070, China
School of Resources and Environmental Engineering, Jiangxi University of Science and Technology, Ganzhou 341000, China
Publication date: 2019-08-05
Corresponding author
Guangjun Mei   

Wuhan University of Technology
Physicochem. Probl. Miner. Process. 2019;55(5):1239-1249
An aryl-substituted aromatic acid ionic liquid (M-X) was synthesized through hexadecyl trimethyl ammonium bromide and sodium salicylate, and it was employed as a flotation collector for the separation of quartz from magnetite. Laboratory flotation studies of magnetite and quartz were conducted using the M-X and dodecylamine (DDA) as collector. The results showed that the M-X has a stronger collecting ability and selectivity for quartz without starch. The adsorption mechanism of M-X on quartz and magnetite surfaces was studied by Fourier transform infrared spectroscopy (FTIR), zeta potential and X-ray photoelectron spectroscopy (XPS) analysis. Results indicated that the adsorption of M-X on the quartz surface was more efficient than that on the magnetite surface. And the salicylate anion in M-X was found to have depression effect to magnetite.
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