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Applications of laser-induced breakdown spectroscopy in the aluminum electrolysis industry
Sun LX(孙兰香); Yu HB(于海斌); Cong ZB(丛智博); Lu, Hui; Cao, Bin; Zeng P(曾鹏); Dong W(董威); Li Y(李洋)
作者部门工业控制网络与系统研究室
关键词Laser-induced Breakdown Spectroscopy Aluminum Electrolysis Electrolyte Molecular Ratio
发表期刊Spectrochimica Acta - Part B Atomic Spectroscopy
ISSN0584-8547
2018
卷号142页码:29-36
收录类别SCI ; EI
EI收录号20180704786050
WOS记录号WOS:000430033200005
产权排序1
资助机构National Natural Science Foundation of China ; National Key Research and Development Program of China ; Shenyang Science and Technology Project ; Key Research Program of Frontier Sciences, CAS ; Youth Innovation Promotion Association, CAS
摘要The industrial aluminum reduction cell is an electrochemistry reactor that operates under high temperatures and corrosive conditions. Monitoring the molten aluminum and electrolyte components is very important for controlling the chemical reaction process. Due to the lack of fast methods to monitor the components, controlling aluminum reduction cells is difficult. In this work, laser-induced breakdown spectroscopy (LIBS) was applied to aluminum electrolysis. A new method for calculating the molecular ratio, which is an important control parameter that represents the acidity of the electrolyte, was proposed. Experiments were first performed on solid electrolyte samples to test the performance of the proposed method. Using this method, the average relative standard deviation (RSD) of the molecular ratio measurement was 0.39%, and the average root mean square error (RMSE) was 0.0236. These results prove that LIBS can accurately measure the molecular ratio. Then, in situ measurements of the molten aluminum and electrolyte were performed in industrial aluminum induction cells using the developed LIBS equipment. The spectra of the molten electrolyte were successfully obtained and were consistent with the spectra of the solid electrolyte.
语种英语
WOS类目Spectroscopy
关键词[WOS]LIQUID STEEL ; CHINA ; LIBS ; SPECTROMETRY ; PROGRESS ; ALLOYS
WOS研究方向Spectroscopy
资助项目National Natural Science Foundation of China[61473279] ; National Key Research and Development Program of China[2016YFF0102502] ; Shenyang Science and Technology Project[Z17-7-006] ; Key Research Program of Frontier Sciences, CAS[QYZDJ-SSW-JSC037] ; Youth Innovation Promotion Association, CAS[2014179]
引用统计
文献类型期刊论文
条目标识符http://ir.sia.cn/handle/173321/21526
专题工业控制网络与系统研究室
通讯作者Sun LX(孙兰香)
作者单位1.Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang 110016, China
2.CAS Key Laboratory of Networked Control Systems, Shenyang 110016, China
3.University of Chinese Academy of Sciences, Beijing 100049, China
4.National Engineering and Technology Research Center of Aluminum and Magnesium Electrolysis Equipment, Guiyang 550081, China
推荐引用方式
GB/T 7714
Sun LX,Yu HB,Cong ZB,et al. Applications of laser-induced breakdown spectroscopy in the aluminum electrolysis industry[J]. Spectrochimica Acta - Part B Atomic Spectroscopy,2018,142:29-36.
APA Sun LX.,Yu HB.,Cong ZB.,Lu, Hui.,Cao, Bin.,...&Li Y.(2018).Applications of laser-induced breakdown spectroscopy in the aluminum electrolysis industry.Spectrochimica Acta - Part B Atomic Spectroscopy,142,29-36.
MLA Sun LX,et al."Applications of laser-induced breakdown spectroscopy in the aluminum electrolysis industry".Spectrochimica Acta - Part B Atomic Spectroscopy 142(2018):29-36.
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