ALTIN İÇERİKLİ GALEN MİNERALİNİN YÜZEY KİMYASI VE FLOTASYON ÖZELLİKLERİNİN ARAŞTIRILMASI

In this study, surface chemistry studies were performed on the pure galena mineral obtained from gold-containing sulfide ore of Menderes region, İzmir. In this context, the zeta potential, bubble-particle attachment time, and micro-flotation experiments were carried out. In the case of zeta potential experiments as a function of pH, the galena mineral showed a negative charge at pH 5 and 11, and no zero point of charge (ZPC) was determined, and it was thought that ZPC of galena was around at pH<3. The bubble-particle attachment experiments carried out in the presence of SIBX, Aero MX-505, and Aero S-8045 collectors indicated that the attachment efficiency was 100% in the presence of MX-505 at all dosage and contact times. This result revealed that there was a very strong interaction between the galena and the air bubble in the presence of MX-505. When the results obtained in the micro-flotation experiments were evaluated, the highest efficiency was obtained with MX-505. At all dosages of MX-505, a flotation efficiency of over 85% was obtained. Besides, with the increase in the dosage of SIBX, the flotation recovery increased and the highest recovery was obtained at 2.39x10^-8 mol/L. On the other hand, S-8045 collector showed lower efficiency in its single-use.