Abstract
The influence of dodecylamine acetate (DDA) and myristyl trimethyl ammonium chloride (1431) on the flotation behavior of muscovite and kaolinite were studied in this paper. The condition which can efficiently separate the muscovite and kaolinite was found out: 5×10-5mol·L-1~1×10-4mol·L-11431 as collector and pH=5.The feasibility of flotation separation in this condition was validated by artificial mixed minerals separation test. The results of zeta potential measurement, infrared spectrum analysis and adsorption quantity test show that 1431 was adsorbed on the surface on muscovite and kaolinite by static electricity adsorption. The difference of adsorption quantity was consistent with results of the single mineral flotation test.
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