Browsing by Author "Alkan, Mahir Emin"
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Item Leaching kinetics of colemanite by aqueous EDTA solutions(Minerals Metals Materials Soc, 1992) Karagölge, Zafer; Kocakerim, Mehmet Muhtar; Alkan, Mahir Emin; Uludağ Üniversitesi Balıkesir/Necatibey Eğitim Fakültesi/Kimya Bölümü.The dissolution kinetics of colemanite, a boron-containing mineral, in aqueous disodium EDTA solutions were studied. The effects of concentration and pH of the solution, particle size, and temperature were examined. A decrease in pH and particle size increased the dissolution rate, while an increase in the concentration of the solution and temperature increased the rate. The activation energy and pre-exponential factor were calculated as 50.6 kJ mol-1 and 5.14 x 10(7) m s-1, respectively.