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题名: Time-Sharing Narrowband CARS Spectroscopy in Olefin Concentration Measurement Applications
作者: Jie, Yang1, 2;  Jin-Bo, Liu2;  Rui, Cao1, 2;  Hong-Xing, Cai1;  Jing-Wei, Guo2
关键词: CARS ;  Concentration Measurement ;  Olefin ;  Simplified model
刊名: SPECTROSCOPY AND SPECTRAL ANALYSIS
发表日期: 2017-04-01
DOI: 10.3964/j.issn.1000-0593(2017)04-1037-05
卷: 37, 期:4, 页:1037-1041
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Technology
类目[WOS]: Spectroscopy
研究领域[WOS]: Spectroscopy
英文摘要: A scanning narrowband coherent anti-stokes Raman scattering (CARS) spectrometry was built up for the detection of the production of a variety of hydrocarbon components in the methanol to olefins (MTO) process. Methane, ethane, ethylene, propylene CARS spectra were scanned using this spectrometry; the characteristic Raman spectrum of each molecule was obtained. Under the same conditions, the relationships between CARS signal energy and different target molecules and other background gases were studied. A simplified model was established to simulate the CARS signal characteristic peak intensity contributed with different molecules, and the concentrations of Raman active molecules were calculated by this mode. This paper proposed a method of the on-line detection of Raman-active gas concentration by time-sharing narrowband CARS spectra. This method may have practical applications in the online analysis of catalytic chemical industry. The experimental error for the detection of the concentration of methanol, ethylene and propylene is less than 9%.
关键词[WOS]: STOKES-RAMAN SCATTERING ;  MICROSCOPY ;  COMBUSTION
语种: 英语
WOS记录号: WOS:000400041300008
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/152021
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Changchun Univ Sci & Technol, Sch Sci, Changchun 130022, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Key Lab Chem Laser, Dalian 116023, Peoples R China

Recommended Citation:
Jie, Yang,Jin-Bo, Liu,Rui, Cao,et al. Time-Sharing Narrowband CARS Spectroscopy in Olefin Concentration Measurement Applications[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS,2017,37(4):1037-1041.
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