Raman Spectral Characteristic Analysis of Natural Gas Hydrate Decomposition Process

Chunyang Wei; Zhuang Zhao; Jingwei Zhu; Zhiyuan Xue

doi:doi:10.11648/j.mc.20221002.13

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Raman Spectral Characteristic Analysis of Natural Gas Hydrate Decomposition Process

Chunyang Wei, Zhuang Zhao, Jingwei Zhu, Zhiyuan Xue

Published in Modern Chemistry (Volume 10, Issue 2)

Received: 1 April 2022 Accepted: 22 April 2022 Published: 7 May 2022

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Abstract

Natural gas hydrate is an important potential energy source. Hydrates are easy to decompose at room temperature and pressure. In this paper, the laser Raman technology is used to quickly detect mixed gas hydrates at room temperature. The spectral characteristics show that: (1) The peak area ratio of the Raman spectrum is analyzed to obtain the mixed gas hydrate. The structure is type II, the stretching vibration or rotation region of the C-C bond is 700~2500cm^-1, the stretching vibration region of the C-H bond is 2850~3000cm^-1, and the stretching vibration region of the O-H bond is 3000~3800cm^-1; (2) Observing the change of C-H bond energy with time shows that the bond energy of hydrates prepared in the laboratory gradually decreases with the passage of time under normal temperature and pressure, and the peak disappears; (3) Spectral peaks and Raman patterns identified by combining with wavelet analysis theory build a natural gas hydrate analysis library. In the process of natural gas hydrate extraction and transportation, the application of laser Raman technology does not require any sample processing, and the detection process can be fast, convenient and accurate. This technology provides an effective detection, analysis and evaluation method for hydrate state research. Combined with wavelet analysis, Raman spectroscopy can be used for online detection in the process of hydrate mining and transportation, providing a convenient detection method for hydrate research.

Published in	Modern Chemistry (Volume 10, Issue 2)
DOI	10.11648/j.mc.20221002.13
Page(s)	48-55
Creative Commons	This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.
Copyright	Copyright © The Author(s), 2022. Published by Science Publishing Group

Keywords

Natural Gas Hydrate, Raman Spectrum, Characteristic Peak, C-H Bond, Wavelet Transform

References

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APA Style

Chunyang Wei, Zhuang Zhao, Jingwei Zhu, Zhiyuan Xue. (2022). Raman Spectral Characteristic Analysis of Natural Gas Hydrate Decomposition Process. Modern Chemistry, 10(2), 48-55. https://doi.org/10.11648/j.mc.20221002.13

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ACS Style

Chunyang Wei; Zhuang Zhao; Jingwei Zhu; Zhiyuan Xue. Raman Spectral Characteristic Analysis of Natural Gas Hydrate Decomposition Process. Mod. Chem. 2022, 10(2), 48-55. doi: 10.11648/j.mc.20221002.13

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AMA Style

Chunyang Wei, Zhuang Zhao, Jingwei Zhu, Zhiyuan Xue. Raman Spectral Characteristic Analysis of Natural Gas Hydrate Decomposition Process. Mod Chem. 2022;10(2):48-55. doi: 10.11648/j.mc.20221002.13

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@article{10.11648/j.mc.20221002.13,
  author = {Chunyang Wei and Zhuang Zhao and Jingwei Zhu and Zhiyuan Xue},
  title = {Raman Spectral Characteristic Analysis of Natural Gas Hydrate Decomposition Process},
  journal = {Modern Chemistry},
  volume = {10},
  number = {2},
  pages = {48-55},
  doi = {10.11648/j.mc.20221002.13},
  url = {https://doi.org/10.11648/j.mc.20221002.13},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.mc.20221002.13},
  abstract = {Natural gas hydrate is an important potential energy source. Hydrates are easy to decompose at room temperature and pressure. In this paper, the laser Raman technology is used to quickly detect mixed gas hydrates at room temperature. The spectral characteristics show that: (1) The peak area ratio of the Raman spectrum is analyzed to obtain the mixed gas hydrate. The structure is type II, the stretching vibration or rotation region of the C-C bond is 700~2500cm-1, the stretching vibration region of the C-H bond is 2850~3000cm-1, and the stretching vibration region of the O-H bond is 3000~3800cm-1; (2) Observing the change of C-H bond energy with time shows that the bond energy of hydrates prepared in the laboratory gradually decreases with the passage of time under normal temperature and pressure, and the peak disappears; (3) Spectral peaks and Raman patterns identified by combining with wavelet analysis theory build a natural gas hydrate analysis library. In the process of natural gas hydrate extraction and transportation, the application of laser Raman technology does not require any sample processing, and the detection process can be fast, convenient and accurate. This technology provides an effective detection, analysis and evaluation method for hydrate state research. Combined with wavelet analysis, Raman spectroscopy can be used for online detection in the process of hydrate mining and transportation, providing a convenient detection method for hydrate research.},
 year = {2022}
}

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TY  - JOUR
T1  - Raman Spectral Characteristic Analysis of Natural Gas Hydrate Decomposition Process
AU  - Chunyang Wei
AU  - Zhuang Zhao
AU  - Jingwei Zhu
AU  - Zhiyuan Xue
Y1  - 2022/05/07
PY  - 2022
N1  - https://doi.org/10.11648/j.mc.20221002.13
DO  - 10.11648/j.mc.20221002.13
T2  - Modern Chemistry
JF  - Modern Chemistry
JO  - Modern Chemistry
SP  - 48
EP  - 55
PB  - Science Publishing Group
SN  - 2329-180X
UR  - https://doi.org/10.11648/j.mc.20221002.13
AB  - Natural gas hydrate is an important potential energy source. Hydrates are easy to decompose at room temperature and pressure. In this paper, the laser Raman technology is used to quickly detect mixed gas hydrates at room temperature. The spectral characteristics show that: (1) The peak area ratio of the Raman spectrum is analyzed to obtain the mixed gas hydrate. The structure is type II, the stretching vibration or rotation region of the C-C bond is 700~2500cm-1, the stretching vibration region of the C-H bond is 2850~3000cm-1, and the stretching vibration region of the O-H bond is 3000~3800cm-1; (2) Observing the change of C-H bond energy with time shows that the bond energy of hydrates prepared in the laboratory gradually decreases with the passage of time under normal temperature and pressure, and the peak disappears; (3) Spectral peaks and Raman patterns identified by combining with wavelet analysis theory build a natural gas hydrate analysis library. In the process of natural gas hydrate extraction and transportation, the application of laser Raman technology does not require any sample processing, and the detection process can be fast, convenient and accurate. This technology provides an effective detection, analysis and evaluation method for hydrate state research. Combined with wavelet analysis, Raman spectroscopy can be used for online detection in the process of hydrate mining and transportation, providing a convenient detection method for hydrate research.
VL  - 10
IS  - 2
ER  -

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Author Information

Chunyang Wei

College of Petroleum Engineering, Liaoning Petrochemical University, Fushun, China
Zhuang Zhao

College of Petroleum Engineering, Liaoning Petrochemical University, Fushun, China
Jingwei Zhu

College of Petroleum Engineering, Liaoning Petrochemical University, Fushun, China
Zhiyuan Xue

College of Petroleum Engineering, Liaoning Petrochemical University, Fushun, China

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Plain Text BibTeX RIS

APA Style

Chunyang Wei, Zhuang Zhao, Jingwei Zhu, Zhiyuan Xue. (2022). Raman Spectral Characteristic Analysis of Natural Gas Hydrate Decomposition Process. Modern Chemistry, 10(2), 48-55. https://doi.org/10.11648/j.mc.20221002.13

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ACS Style

Chunyang Wei; Zhuang Zhao; Jingwei Zhu; Zhiyuan Xue. Raman Spectral Characteristic Analysis of Natural Gas Hydrate Decomposition Process. Mod. Chem. 2022, 10(2), 48-55. doi: 10.11648/j.mc.20221002.13

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AMA Style

Chunyang Wei, Zhuang Zhao, Jingwei Zhu, Zhiyuan Xue. Raman Spectral Characteristic Analysis of Natural Gas Hydrate Decomposition Process. Mod Chem. 2022;10(2):48-55. doi: 10.11648/j.mc.20221002.13

Copy | Download

@article{10.11648/j.mc.20221002.13,
  author = {Chunyang Wei and Zhuang Zhao and Jingwei Zhu and Zhiyuan Xue},
  title = {Raman Spectral Characteristic Analysis of Natural Gas Hydrate Decomposition Process},
  journal = {Modern Chemistry},
  volume = {10},
  number = {2},
  pages = {48-55},
  doi = {10.11648/j.mc.20221002.13},
  url = {https://doi.org/10.11648/j.mc.20221002.13},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.mc.20221002.13},
  abstract = {Natural gas hydrate is an important potential energy source. Hydrates are easy to decompose at room temperature and pressure. In this paper, the laser Raman technology is used to quickly detect mixed gas hydrates at room temperature. The spectral characteristics show that: (1) The peak area ratio of the Raman spectrum is analyzed to obtain the mixed gas hydrate. The structure is type II, the stretching vibration or rotation region of the C-C bond is 700~2500cm-1, the stretching vibration region of the C-H bond is 2850~3000cm-1, and the stretching vibration region of the O-H bond is 3000~3800cm-1; (2) Observing the change of C-H bond energy with time shows that the bond energy of hydrates prepared in the laboratory gradually decreases with the passage of time under normal temperature and pressure, and the peak disappears; (3) Spectral peaks and Raman patterns identified by combining with wavelet analysis theory build a natural gas hydrate analysis library. In the process of natural gas hydrate extraction and transportation, the application of laser Raman technology does not require any sample processing, and the detection process can be fast, convenient and accurate. This technology provides an effective detection, analysis and evaluation method for hydrate state research. Combined with wavelet analysis, Raman spectroscopy can be used for online detection in the process of hydrate mining and transportation, providing a convenient detection method for hydrate research.},
 year = {2022}
}

Copy | Download

TY  - JOUR
T1  - Raman Spectral Characteristic Analysis of Natural Gas Hydrate Decomposition Process
AU  - Chunyang Wei
AU  - Zhuang Zhao
AU  - Jingwei Zhu
AU  - Zhiyuan Xue
Y1  - 2022/05/07
PY  - 2022
N1  - https://doi.org/10.11648/j.mc.20221002.13
DO  - 10.11648/j.mc.20221002.13
T2  - Modern Chemistry
JF  - Modern Chemistry
JO  - Modern Chemistry
SP  - 48
EP  - 55
PB  - Science Publishing Group
SN  - 2329-180X
UR  - https://doi.org/10.11648/j.mc.20221002.13
AB  - Natural gas hydrate is an important potential energy source. Hydrates are easy to decompose at room temperature and pressure. In this paper, the laser Raman technology is used to quickly detect mixed gas hydrates at room temperature. The spectral characteristics show that: (1) The peak area ratio of the Raman spectrum is analyzed to obtain the mixed gas hydrate. The structure is type II, the stretching vibration or rotation region of the C-C bond is 700~2500cm-1, the stretching vibration region of the C-H bond is 2850~3000cm-1, and the stretching vibration region of the O-H bond is 3000~3800cm-1; (2) Observing the change of C-H bond energy with time shows that the bond energy of hydrates prepared in the laboratory gradually decreases with the passage of time under normal temperature and pressure, and the peak disappears; (3) Spectral peaks and Raman patterns identified by combining with wavelet analysis theory build a natural gas hydrate analysis library. In the process of natural gas hydrate extraction and transportation, the application of laser Raman technology does not require any sample processing, and the detection process can be fast, convenient and accurate. This technology provides an effective detection, analysis and evaluation method for hydrate state research. Combined with wavelet analysis, Raman spectroscopy can be used for online detection in the process of hydrate mining and transportation, providing a convenient detection method for hydrate research.
VL  - 10
IS  - 2
ER  -

Copy | Download