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李泽全,但林阳,李雪敏,刘楠,白晨光,扈玫珑.熔盐电解法的气体研究及其对电解的影响[J].稀有金属材料与工程(英文),2017,46(12):3767~3772.[Li zequan,Dan linyang,Li xuemin,Liu nan,Bai chenguang,Hu meilong.Research on the gas of molten salt electrolysis and its impact in electrodeoxidation[J].Rare Metal Materials and Engineering,2017,46(12):3767~3772.]
Research on the gas of molten salt electrolysis and its impact in electrodeoxidation
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Received:October 25, 2016  Revised:January 18, 2017
Key words: molten salt electrolysis method  gas component  argon flow
Foundation item:中央高校基本科研项目(项目号CDJXS11221172),重庆大学大型仪器设备开放基金(基金号201606150027)
Author NameAffiliationE-mail
Li zequan College of Chemistry and Chemical Engineering lzq0313@sina.com 
Dan linyang College of Chemistry and Chemical Engineering 20141802063@cqu.edu.cn 
Li xuemin College of Chemistry and Chemical Engineering  
Liu nan College of Chemistry and Chemical Engineering  
Bai chenguang 重庆大学材料学院  
Hu meilong 重庆大学材料学院  
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      Ion chromatography and flame atomic absorption were used to analysis condensates collected in various temperature and slag. The results show that the main components of slag were FeCl2/FeCl3、NiCl2、CrCl2/CrCl3; the condensates were made up of CaCl2、HCl、HClO、H2O and metal chlorides. So the gas in reactor included Cl2、HCl、HClO、H2O、Ar and metal chlorides. The 1.0 L/min argon flow in reactor at 850 °C was simlated to find that it was very difficult to vent the HCl、HClO, et al., so these gases were reacted with reactor wall to produced metal chlorides, which led to seriously corroded, at the same time, HCl、HClO could impact in electrodeoxidation. Based on simlation and tail gas absorption experiment, argon flow increased to 5.0 L/min in 2 h of pre-electrolysis could effectively vent the HCl、HClO, et al. This improvement could enhance the electrolysis velocity and resolve the corrosion problem.