Method for oxidative roasting of sulfide zinc concentrates in an air oxygen stream in fluidized bed furnaces

Abstract An increase in the oxygen content blast to a concentration of 26-28% during firing zinc concentrates KS furnaces leads decrease formation undesirable compounds ferrites and silicates, increases degree desulfurization, shortens time. At same time, it becomes possible load concentrate with high humidity into furnace, which will save costs for drying raw materials. Ultimately, an complexity materials, increasing profitability production making products competitive world market. The article is considered questions increased efficiency processing collective without their preliminary selective division. Our developments on are directed that maximum receive sulfates transferring solution. Thermodynamic calculations show most intensively precedes range 1000-1100 °C. It offered carry out roasting boiling layer gas environment.