Copper Sulfation from Enargite Roasting Using Coal and Fayalite Slag Mixture
Miguel Véliz,
Alvaro Aracena,
Oscar Jerez
et al.
Abstract:In this work, the roasting of an enargite mix was carried out in oxidative conditions. The temperature range of the study was 773–973 K. The mixture had a 4:6:6 molar ratio of enargite, magnetite and coal, respectively. The roasting was made in an open atmosphere. The time was 1 h for each isothermal test. The effect of temperature and weight loss were studied. The results indicate that the temperature affects the products. At 773–873 K, the copper phases were sulfates. When the temperature was increased to 97… Show more
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