|About this Abstract
||Part C-1: Hydrometallurgy 2018
||The Effects of Experimental Variables on Iron removal from Nitrided Malaysian Ilmenite by Becher Process
||Eltefat Ahmadi, Noor Izah Shoparwe, Najwa Ibrahim, Sheikh Abdul Rezan, Norlia Baharun, Kamar Shah Ariffin, Hashim Hussin, M.N. Ahmad Fauzi
|On-Site Speaker (Planned)
||Sheikh Abdul Rezan
Iron-free titanium oxycarbonitride (TiOxCyNz) is a promising feedstock for production of titanium tetrachloride (TiCl4) at low temperatures. In this study, the effects of leaching variables such as temperature, time and concentration of the leaching solutions were evaluated on iron removal from the nitrided Malaysian ilmenite by Becher process. The nitrided ilmenite was prepared by isothermal reduction with graphite at 1200°C for 3 hours in H2-N2 atmosphere. The aerated leaching experiments were conducted at 50-90 °C with addition of 0.3-2 wt. % of NH4Cl solution. The highest extent of iron removal (XFe) was obtained at about 96.2% for the sample leached at 90 °C for 7 hours with 2.0 wt. % NH4Cl. The iron concentrate and titanium oxycarbonitride product were characterized by ICP-OES , XRD, XRF and SEM-EDX analyses. The results indicated that the aeration leaching process was a successful route to prepare low-iron titanium oxycarbonitride.
||Planned: At-meeting proceedings