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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)
Department工业控制网络与系统研究室
Source PublicationSpectrochimica Acta - Part B Atomic Spectroscopy
ISSN0584-8547
2018
Volume142Pages:29-36
Indexed BySCI ; EI
EI Accession number20180704786050
WOS IDWOS:000430033200005
Contribution Rank1
Funding OrganizationNational 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
KeywordLaser-induced Breakdown Spectroscopy Aluminum Electrolysis Electrolyte Molecular Ratio
AbstractThe 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.
Language英语
WOS SubjectSpectroscopy
WOS KeywordLIQUID STEEL ; CHINA ; LIBS ; SPECTROMETRY ; PROGRESS ; ALLOYS
WOS Research AreaSpectroscopy
Funding ProjectNational 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]
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Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sia.cn/handle/173321/21526
Collection工业控制网络与系统研究室
Corresponding AuthorSun LX(孙兰香)
Affiliation1.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
Recommended Citation
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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