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采用氧压酸浸工艺处理高硅富铟渣,系统考察了始酸浓度、氧分压、反应温度、反应时间和液固比等对浸铟沉硅效果的影响。试验结果表明:在始酸浓度120g/L、液固比5∶1、釜内压力0.6 MPa、反应温度160℃、反应时间1.5h的条件下,铟浸出率高达97.3%,硅沉淀率为98.5%;高压高温工艺能抑制富铟渣酸浸过程中硅胶的形成,浸出矿浆的过滤性能良好。
Abstract：Indium-rich slag was treated by oxygen pressure acid leaching process.Effects of initial acid concentration,pressure in autoclave,temperature,time and L/S on indium leaching and silicon precipitation were investigated.The results show that indium leaching rate is 97.3% and silicon precipitation rate is 98.5% under the conditions including initial acid concentration of 120 g/L,L/S=5/1,pressure in autoclave of 0.6 MPa,reaction temperature of 160 ℃,and reaction time of 1.5 h.High pressure and high temperature process can inhibit formation of silica gel during acid leaching of indium-rich slag,and leaching slurry has good filtration performance.
[1]李仕庆，唐谟堂，何静．高硅碱浸渣提铟[J]．中南大学学报（自然科学版），2004,35(1):49-53.LI S Q,TANG M T,HE J.Extracting indium from basic leached residue bearing high silicon[J].Journal of Central South University(Science and Technology),2004,35(1):49-53.
[2]邬建辉，刘刚，苏涛，等．复杂烟尘高效浸出铟的工艺研究[J]．矿冶工程，2015,35(5):95-102.WU J H,LIU G,SU T,et a1.Processes for leaching indium efficiently from complex dust[J].Mining and Metallurgical Engineering,2015,35(5):95-102.
[3]申星梅，吴成志，武杏荣，等．冶金固废中铟的湿法浸出技术[J]．有色金属工程，2019,9(4):60-66.SHEN X M,WU C Z,WU X R,et al.Wet leaching technology of indium from metallurgical solid waste[J].Nonferrous Metal Engineering,2019,9(4):60-66.
[4]张凯霞，李其军，陈鼎元，等．锌高浸渣烟尘中铟浸出工艺改进研究[J]．有色金属（冶炼部分），2016(10):53-57.ZHANG K X,LI Q J,CHEN D Y,et al.Process improvement for indium leaching from evaporation dust of high acid leaching residues in zinc hydrometallurgy[J].Nonferrous Metals(Extractive Metallurgy),2016(10):53-57.
[5]曾冬铭，舒万艮，刘又年，等．低酸浸出-溶剂萃取法从含铟渣中回收铟[J]．有色金属，2002,54(3):41-44.ZENG D M,SHU W G,LIU Y N,et al.Indium recovery from indium containing residue by L-SX process[J].Nonferrous Metals,2002,54(3):41-44.
[6]姚金环，丘雪萍，陈钦，等．超声波辅助浸出铁钒渣中铟锌试验研究[J]．湿法冶金，2017,36(4):262-266.YAO J H,QIU X P,CHEN Q,et al.Ultrasonic-assisted leaching of indium and zinc from jarosite slag[J].Hydrometallurgy of China,2017,36(4):262-266.
基本信息:
中图分类号:TF843.1
引用信息:
[1]贺山明,吴鑫,梁勇,等.高硅富铟渣氧压酸浸过程中浸铟沉硅的研究[J].有色金属(冶炼部分),2020(01):56-59.
基金信息:
国家自然科学基金青年基金资助项目(51704133); 江西省省级研究生教改研究项目(JXYJG-2018-127); 江西理工大学清江青年英才支持计划项目(JXUSTQJBJ2017004);江西理工大学校级大学生创新创业训练计划项目(DC2018-015)
2020-01-12
2020-01-12