富钛料制备中不同亚熔盐反应介质及工艺参数的影响研究

Study on the Influence of Different Sub-molten Salt Reaction Media and Process Parameters in the Preparation of Titanium-rich Materials

以攀枝花某矿区低品位金红石精矿为原料,采用不同亚熔盐反应介质进行富钛料的制备技术研究。通过分析亚熔盐法反应温度、反应时间和碱矿质量比因素对精矿杂质去除率的影响,得出最佳制备工艺及参数:氢氧化钠为亚熔盐反应介质,反应温度为230℃,反应时间为60 min,碱矿质量比为0.15∶1,杂质去除率为77.55%,富钛料产品TiO_(2)含量为92.02%。

Taking a low-grade rutile concentrate from a mining area in Panzhihua as raw material,the preparation technology of titanium-rich material was studied using different sub-molten salt reaction media.By analyzing the influence of reaction temperature,reaction time and alkali ore mass ratio of the sub-molten salt method on the impurity removal rate of the concentrate,the best preparation process and parameters are obtained:sodium hydroxide is the sub-molten salt reaction medium,the reaction temperature is 230 ℃,the reaction time is 60 min,and the alkali ore mass ratio is 0.15∶1,the impurity removal rate is 77.55%,and the Ti O2content of titanium rich material product is 92.02%.