摘要
对攀西钒钛磁铁矿尾矿进行了回收钪的试验研究。采用碳酸钠碱熔融焙烧⁃浸出工艺和氟化物溶解⁃浸出工艺处理该含钪尾矿,钪浸出率分别为60.94%和72.22%。与碱熔融焙烧⁃浸出工艺相比,氟化物溶解⁃浸出工艺省去了繁琐耗能的焙烧工序,含钪尾矿直接与氟化物结合进行浸出,钪浸出率更高。研究成果可为攀西地区含钪钒钛磁铁矿尾矿中高效分离提取钪提供新的思路。
An experimental study was carried out to reclaim scandium resource from vanadium⁃titanium magnetite tailings discharged from titanium concentrators in Pan⁃Xi region of China.Two approaches including Na_(2)CO_(3) alkali fusing⁃leaching and fluoride dissolving⁃leaching were introduced to process Sc⁃bearing tailings.The second approach attained a higher Sc leaching rate of 72.22%than the 60.94%from the first one.Furthermore,the second approach can spare the complicated and energy⁃consuming roasting process in the first one.Also,the Sc⁃bearing materials can be leached out by bonding directly with fluoride,leading to high leaching rates.This practice provides a novel notion for high⁃efficient separation of scandium resource from vanadium⁃titanium magnetite tailings in Pan⁃Xi region.
作者
王浚杰
肖军辉
张烨毓
江潞
唐娟
WANG Jun-jie;XIAO Jun-hui;ZHANG Ye-yu;JIANG Lu;TANG Juan(Sichuan Provincial Key Laboratory of Shale Gas Evaluation and Exploitation,Chengdu 610073,Sichuan,China;Sichuan Keyuan Testing Center of Engineering Technology,Chengdu 610073,China;School of Environment and Resources,Southwest University of Science and Technology,Mianyang 621010,Sichuan,China)
出处
《矿冶工程》
CAS
CSCD
北大核心
2021年第6期61-64,共4页
Mining and Metallurgical Engineering
基金
四川省科技计划资助(2021YJ0057,2021YFG0268)
四川省中央引导地方科技发展专项项目(2020ZYD027)。
关键词
钪
钒钛磁铁矿
尾矿
焙烧
浸出
scandium
vanadium⁃titanium magnetite
tailings
roasting
leaching
