|About this Abstract
||2017 TMS Annual Meeting & Exhibition
||Pan American Materials Congress: Minerals Extraction and Processing
||PAN-46: Leaching of Celestite Concentrate in Hcl Media with BACl2-NACl Addition
||Emre Yilmaz, Aysegul Bilen, Rasit Sezer, Selim Erturk, Ibrahim Goksel Hizli, Cuneyt Arslan
|On-Site Speaker (Planned)
In this study, solubility of celestite concentrate in HCl-BaCl2-NaCl media is investigated. Experimental study is carried out to determine the basic parameters such as BaCl2 concentration (up to 1.1 times of stoichiometrically required), solid/liquid ratio (1/50, 1/100, 1/150, 1/200, and 1/250 w/v), effects of dissolving time (up to 240 min). Initial experiments are conducted at constant temperature (60 °C), stirring speed (500 rpm), HCl (0.5 M)-NaCl (1.0 M) concentrations, and grain size of celestite (-54 μm). Effect of stirring speed, HCl-NaCl concentrations and temperature are investigated separately to specify the optimum conditions. All the experiments are carried out in a three-necked glass reactor with a 500 ml capacity. AAS results of leach liquors show that increasing BaCl2 concentration and dissolving time causes dissolution efficiency to increase. On the other hand, increasing solid /liquid ratio decreases the leaching efficiency.
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