The online in situ detection of plastic and its combustion smoke via laser-induced breakdown spectroscopy

IF 1.1 4区化学 Q3 SPECTROSCOPY

Spectroscopy Letters Pub Date : 2023-01-13 DOI:10.1080/00387010.2023.2165505

Enlai Wan, Dongpeng Tian, Zhongmou Sun, Yuzhu Liu

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引用次数: 1

Abstract

Abstract With the development of modern industry, it can be said that from industrial production to the basic necessities of life, plastic products can be seen everywhere. What follows is the disposal of plastic waste. How to deal with plastic waste correctly is closely related to people’s health and the earth’s environment. In this paper, laser-induced breakdown spectroscopy is applied for the online in situ detection of plastic and its combustion smoke. According to the spectrum obtained, the main components of plastics are Ca, Mg, Na, K, C, H and O. In the spectrum of smoke, the characteristic peaks of the elements C, H, O and N are observed. In addition, the online detection of heavy metal pollution is simulated. Finally, principal component analysis and error back propagation artificial neural networks were applied for the identification of different plastics and their combustion smoke, and the identification accuracy reaches 92.73% and 77.42% respectively. All the results indicate that laser-induced breakdown spectroscopy technology has great potential in the identification of similar objects and the monitoring of air pollutants.

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激光诱导击穿光谱法在线原位检测塑料及其燃烧烟气

摘要随着现代工业的发展，可以说从工业生产到基本生活必需品，塑料制品随处可见。接下来是塑料垃圾的处理。如何正确处理塑料垃圾，关系到人类健康和地球环境。本文将激光诱导击穿光谱技术应用于塑料及其燃烧烟雾的在线原位检测。根据获得的光谱，塑料的主要成分是Ca、Mg、Na、K、C、H和O。在烟雾的光谱中，观察到元素C、H、O和N的特征峰。此外，还模拟了重金属污染的在线检测。最后，将主成分分析和误差反向传播人工神经网络应用于不同塑料及其燃烧烟雾的识别，识别准确率分别达到92.73%和77.42%。所有结果表明，激光诱导击穿光谱技术在识别类似物体和监测大气污染物方面具有巨大的潜力。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Spectroscopy Letters 物理-光谱学

CiteScore

2.90

自引率

5.90%

发文量

审稿时长

1.3 months

期刊介绍： Spectroscopy Letters provides vital coverage of all types of spectroscopy across all the disciplines where they are used—including novel work in fundamental spectroscopy, applications, diagnostics and instrumentation. The audience is intended to be all practicing spectroscopists across all scientific (and some engineering) disciplines, including: physics, chemistry, biology, instrumentation science, and pharmaceutical science.