摘要
采用探头超声和震板超声两种强化工艺萃取分离高炉瓦斯泥硫酸浸出模拟液中的铟和铁离子,通过与传统溶剂萃取工艺比较,得出超声强化可在保证较高铟萃取率和反萃率的同时,明显缩短萃取和反萃时间,提高萃取效率.其中,震板超声较适合铟离子的萃取过程,探头超声较适合铟离子的反萃过程.采用两种超声强化工艺萃取分离瓦斯泥硫酸浸出模拟液中铟、铁离子的适宜工艺条件为:硫酸浓度1 mol/L,震板超声萃取1 min,铟萃取率达96.5%,铁萃取率为8.5%;盐酸浓度2 mol/L,探头搅拌反萃2.5 min,铟反萃率达71%,铁反萃率为3.8%.
Probe ultrasound and vibrating-plate ultrasound methods were used to enhance the extraction and separation of indium and iron ions from synthetic sulphuric acid leaching solution of blast furnace sludge. Compared with traditional solvent extraction method, the ultrasonic methods could obtain higher extraction and back-extraction rates of indium ion, shorten extraction and back-extraction time, and improve the efficiency. The results showed that vibrating-plate ultrasound method was suitable for extraction process of indium ion, and probe ultrasound method was appropriate to the back-extraction process. The optimal conditions with two ultrasonic methods to extract and separate indium and iron ions from the synthetic solution were 1 mol/L sulphuric acid and vibrating-plate ultrasound extraction for 1 rain, which resulted in 96.5% and 8.5% extraction rates of indium and iron ions, and 2 mol/L hydrochloric acid and probe ultrasound back-extraction for 2.5 min, which resulted in 71.0% and 3.8% back-extraction rates of indium and iron ions, respectively.
出处
《过程工程学报》
CAS
CSCD
北大核心
2014年第2期241-246,共6页
The Chinese Journal of Process Engineering
基金
安徽省高等学校省级自然科学研究项目(编号:KJ2012A041)
安徽省自然科学基金资助项目(编号:1208085QB30)
关键词
超声
瓦斯泥
萃取
铟
铁
ultrasound
blast furnace sludge
extraction
indium
iron
