摘要
在小试基础上，对微波加热还原钛精矿获得富钛料进行了公斤级扩大试验研究。结果表明：在采用20妇球团料；碳质还原剂采用焦碳，占矿比例14％；还原温度1100～1150℃；添加剂占矿比例5％；还原时间90min的条件下，制得金属化球团TiO2品位53，38％；初级富钛料品位72．01％，初级富钛料产率67．5％；TiO2回收率90．1％。X-ray衍射表征其主要物相有TiO2、FeO·2TiO2、Fe、MgTi2O5和硅酸盐类，钛主要以四价的形式存在。
Enlarging experiment of kilogram-scale on making rich-titanium material by microwave reduction was studied based on the laboratory test result. The results show that TiO2 of metallic pellets is 53.38%, TiO2 of primary titanium material is 72. 01%, output rate of TiO2 is 67.5% and recycle rate of TiO2 is 90.1% under the following condition., the pellets of 20 kg, 14% coke, 5% additives, reduction temperature 1 100 ～1 150℃ and reduction time 90 min. The XRD indicates that the metallic pellets contained TiO2, FeO · 2TiO2, Fe, MgTi2O5 and SiO3^2- Ti^4＋ helped to the latter flow of acid leaching.
出处
《有色金属（冶炼部分）》
CAS
北大核心
2007年第6期31-34,共4页
Nonferrous Metals（Extractive Metallurgy)
基金
2003年攀枝花产业化资助项目(2003GX-2)
关键词
微波加热还原
钛精矿
富钛料
扩大试验
Microwave reduction
Titanium concentrate
Rich-titanium material
Enlarging experiment
