Progress in the Application of Laser-Induced Breakdown Spectroscopy in Coal Quality Analysis

Ning Guo, Li Xu (), Wei Gao, Hongwei Xia, Min Xie () and Xiaohan Ren ()
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Ning Guo: Institute of Thermal Science and Technology, Shandong University, Jinan 250061, China
Li Xu: Anhui Special Equipment Inspection Institute, 45 Dalian Road, Hefei 230051, China
Wei Gao: Anhui Special Equipment Inspection Institute, 45 Dalian Road, Hefei 230051, China
Hongwei Xia: Anhui Special Equipment Inspection Institute, 45 Dalian Road, Hefei 230051, China
Min Xie: Harbin Electric Science and Technology Co., Ltd., Harbin 150028, China
Xiaohan Ren: Institute of Thermal Science and Technology, Shandong University, Jinan 250061, China

Energies, 2024, vol. 17, issue 14, 1-36

Abstract: In recent years, with the increase in environmental awareness, people have become more and more concerned about the effectiveness with which coal burns. Laser-induced breakdown spectroscopy (LIBS) has become an important way of coal elemental analysis because of its uncomplicated sample handling, remote sensing capability, and superior sensitivity in identifying a wide range of elements, including both major and minor constituents, down to trace levels. However, the complexity of its mechanism of action, the experimental environmental factors, and the presence of matrix effects in its measurement spectrum have affected the measurement accuracy. In this paper, on the basis of introducing the experimental process and principle of LIBS, we summarize and analyze the influence of each factor on the LIBS detection medium, summarize the mainstream model analysis algorithms, and analyze the advantages and disadvantages of each model. While summarizing the LIBS in media detection in recent years, it aims to provide strong support and guidance for subsequent more in-depth exploration and research.

Keywords: LIBS; coal; experimental principles; analysis of experimental errors; data processing models (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2024
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