The Application of NIR Process Analytical Chemistry in Studying Competitive Adsorption Process

Hong-Wei Yang; Chen-Bo Cai; Lu Xu; Lun Li; Yan-Li Zou; Yong-Yuan Tao; Mei-Qiong Wen

doi:doi:10.11648/j.ajac.20190703.11

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The Application of NIR Process Analytical Chemistry in Studying Competitive Adsorption Process

Hong-Wei Yang, Chen-Bo Cai, Lu Xu, Lun Li, Yan-Li Zou, Yong-Yuan Tao, Mei-Qiong Wen

Published in American Journal of Applied Chemistry (Volume 7, Issue 3)

Received: 8 April 2019 Accepted: 21 May 2019 Published: 12 June 2019

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Abstract

With an experimental setup of near-infrared process analytical chemistry, a competitive adsorption process of orthoxylene and aniline vapor onto silica gel has been revealed in the paper. The mixture vapor of orthoxylene and aniline has been introduced into a quartz adsorption bed, which was filled with adsorbent of silica gel and monitored continuously by a near-infrared spectrometer. Based on near-infrared spectra recorded during the adsorption process and chemometrics methodologies, the competitive adsorption process has been studied completely as well as clearly: 1) at about 62 minutes the adsorption achieved its equilibrium or stable state with aniline concentration of 0.22 g/g, and without any orthoxylene; 2) othoxylene was adsorbed first, but then rapidly replaced by aniline; 3) the adsorption of aniline resulted from the hydrogen bonds between aniline’s amino groups and silica gel’s silanol groups while that of orthoxylene was due to physical adsorption; 4) aniline was adsorbed vertically on the silica gel but orthoxylene laid evenly; 5) some surface of silica gel was more active for adsorption than others.

Published in	American Journal of Applied Chemistry (Volume 7, Issue 3)
DOI	10.11648/j.ajac.20190703.11
Page(s)	80-86
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), 2019. Published by Science Publishing Group

Keywords

Gas-Solid Competitive Adsorption, Near-Infrared Spectroscopy (NIR), Process Analytical Chemistry (PAC), Chemometrics, Orthoxylene, Aniline, Silica Gel

References

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APA Style

Hong-Wei Yang, Chen-Bo Cai, Lu Xu, Lun Li, Yan-Li Zou, et al. (2019). The Application of NIR Process Analytical Chemistry in Studying Competitive Adsorption Process. American Journal of Applied Chemistry, 7(3), 80-86. https://doi.org/10.11648/j.ajac.20190703.11

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ACS Style

Hong-Wei Yang; Chen-Bo Cai; Lu Xu; Lun Li; Yan-Li Zou, et al. The Application of NIR Process Analytical Chemistry in Studying Competitive Adsorption Process. Am. J. Appl. Chem. 2019, 7(3), 80-86. doi: 10.11648/j.ajac.20190703.11

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AMA Style

Hong-Wei Yang, Chen-Bo Cai, Lu Xu, Lun Li, Yan-Li Zou, et al. The Application of NIR Process Analytical Chemistry in Studying Competitive Adsorption Process. Am J Appl Chem. 2019;7(3):80-86. doi: 10.11648/j.ajac.20190703.11

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@article{10.11648/j.ajac.20190703.11,
  author = {Hong-Wei Yang and Chen-Bo Cai and Lu Xu and Lun Li and Yan-Li Zou and Yong-Yuan Tao and Mei-Qiong Wen},
  title = {The Application of NIR Process Analytical Chemistry in Studying Competitive Adsorption Process},
  journal = {American Journal of Applied Chemistry},
  volume = {7},
  number = {3},
  pages = {80-86},
  doi = {10.11648/j.ajac.20190703.11},
  url = {https://doi.org/10.11648/j.ajac.20190703.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajac.20190703.11},
  abstract = {With an experimental setup of near-infrared process analytical chemistry, a competitive adsorption process of orthoxylene and aniline vapor onto silica gel has been revealed in the paper. The mixture vapor of orthoxylene and aniline has been introduced into a quartz adsorption bed, which was filled with adsorbent of silica gel and monitored continuously by a near-infrared spectrometer. Based on near-infrared spectra recorded during the adsorption process and chemometrics methodologies, the competitive adsorption process has been studied completely as well as clearly: 1) at about 62 minutes the adsorption achieved its equilibrium or stable state with aniline concentration of 0.22 g/g, and without any orthoxylene; 2) othoxylene was adsorbed first, but then rapidly replaced by aniline; 3) the adsorption of aniline resulted from the hydrogen bonds between aniline’s amino groups and silica gel’s silanol groups while that of orthoxylene was due to physical adsorption; 4) aniline was adsorbed vertically on the silica gel but orthoxylene laid evenly; 5) some surface of silica gel was more active for adsorption than others.},
 year = {2019}
}

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TY  - JOUR
T1  - The Application of NIR Process Analytical Chemistry in Studying Competitive Adsorption Process
AU  - Hong-Wei Yang
AU  - Chen-Bo Cai
AU  - Lu Xu
AU  - Lun Li
AU  - Yan-Li Zou
AU  - Yong-Yuan Tao
AU  - Mei-Qiong Wen
Y1  - 2019/06/12
PY  - 2019
N1  - https://doi.org/10.11648/j.ajac.20190703.11
DO  - 10.11648/j.ajac.20190703.11
T2  - American Journal of Applied Chemistry
JF  - American Journal of Applied Chemistry
JO  - American Journal of Applied Chemistry
SP  - 80
EP  - 86
PB  - Science Publishing Group
SN  - 2330-8745
UR  - https://doi.org/10.11648/j.ajac.20190703.11
AB  - With an experimental setup of near-infrared process analytical chemistry, a competitive adsorption process of orthoxylene and aniline vapor onto silica gel has been revealed in the paper. The mixture vapor of orthoxylene and aniline has been introduced into a quartz adsorption bed, which was filled with adsorbent of silica gel and monitored continuously by a near-infrared spectrometer. Based on near-infrared spectra recorded during the adsorption process and chemometrics methodologies, the competitive adsorption process has been studied completely as well as clearly: 1) at about 62 minutes the adsorption achieved its equilibrium or stable state with aniline concentration of 0.22 g/g, and without any orthoxylene; 2) othoxylene was adsorbed first, but then rapidly replaced by aniline; 3) the adsorption of aniline resulted from the hydrogen bonds between aniline’s amino groups and silica gel’s silanol groups while that of orthoxylene was due to physical adsorption; 4) aniline was adsorbed vertically on the silica gel but orthoxylene laid evenly; 5) some surface of silica gel was more active for adsorption than others.
VL  - 7
IS  - 3
ER  -

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Author Information

Hong-Wei Yang

College of Chemistry and Life Science, Chuxiong Normal University, Chuxiong, PR China
Chen-Bo Cai

College of Chemistry and Life Science, Chuxiong Normal University, Chuxiong, PR China
Lu Xu

College of Material and Chemical Engineering, Tongren University, Tongren, PR China
Lun Li

Department of Science and Technology, Chuxiong Normal University, Chuxiong, PR China
Yan-Li Zou

College of Chemistry and Life Science, Chuxiong Normal University, Chuxiong, PR China
Yong-Yuan Tao

College of Chemistry and Life Science, Chuxiong Normal University, Chuxiong, PR China
Mei-Qiong Wen

College of Chemistry and Life Science, Chuxiong Normal University, Chuxiong, PR China

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Plain Text BibTeX RIS

APA Style

Hong-Wei Yang, Chen-Bo Cai, Lu Xu, Lun Li, Yan-Li Zou, et al. (2019). The Application of NIR Process Analytical Chemistry in Studying Competitive Adsorption Process. American Journal of Applied Chemistry, 7(3), 80-86. https://doi.org/10.11648/j.ajac.20190703.11

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ACS Style

Hong-Wei Yang; Chen-Bo Cai; Lu Xu; Lun Li; Yan-Li Zou, et al. The Application of NIR Process Analytical Chemistry in Studying Competitive Adsorption Process. Am. J. Appl. Chem. 2019, 7(3), 80-86. doi: 10.11648/j.ajac.20190703.11

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AMA Style

Hong-Wei Yang, Chen-Bo Cai, Lu Xu, Lun Li, Yan-Li Zou, et al. The Application of NIR Process Analytical Chemistry in Studying Competitive Adsorption Process. Am J Appl Chem. 2019;7(3):80-86. doi: 10.11648/j.ajac.20190703.11

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@article{10.11648/j.ajac.20190703.11,
  author = {Hong-Wei Yang and Chen-Bo Cai and Lu Xu and Lun Li and Yan-Li Zou and Yong-Yuan Tao and Mei-Qiong Wen},
  title = {The Application of NIR Process Analytical Chemistry in Studying Competitive Adsorption Process},
  journal = {American Journal of Applied Chemistry},
  volume = {7},
  number = {3},
  pages = {80-86},
  doi = {10.11648/j.ajac.20190703.11},
  url = {https://doi.org/10.11648/j.ajac.20190703.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajac.20190703.11},
  abstract = {With an experimental setup of near-infrared process analytical chemistry, a competitive adsorption process of orthoxylene and aniline vapor onto silica gel has been revealed in the paper. The mixture vapor of orthoxylene and aniline has been introduced into a quartz adsorption bed, which was filled with adsorbent of silica gel and monitored continuously by a near-infrared spectrometer. Based on near-infrared spectra recorded during the adsorption process and chemometrics methodologies, the competitive adsorption process has been studied completely as well as clearly: 1) at about 62 minutes the adsorption achieved its equilibrium or stable state with aniline concentration of 0.22 g/g, and without any orthoxylene; 2) othoxylene was adsorbed first, but then rapidly replaced by aniline; 3) the adsorption of aniline resulted from the hydrogen bonds between aniline’s amino groups and silica gel’s silanol groups while that of orthoxylene was due to physical adsorption; 4) aniline was adsorbed vertically on the silica gel but orthoxylene laid evenly; 5) some surface of silica gel was more active for adsorption than others.},
 year = {2019}
}

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TY  - JOUR
T1  - The Application of NIR Process Analytical Chemistry in Studying Competitive Adsorption Process
AU  - Hong-Wei Yang
AU  - Chen-Bo Cai
AU  - Lu Xu
AU  - Lun Li
AU  - Yan-Li Zou
AU  - Yong-Yuan Tao
AU  - Mei-Qiong Wen
Y1  - 2019/06/12
PY  - 2019
N1  - https://doi.org/10.11648/j.ajac.20190703.11
DO  - 10.11648/j.ajac.20190703.11
T2  - American Journal of Applied Chemistry
JF  - American Journal of Applied Chemistry
JO  - American Journal of Applied Chemistry
SP  - 80
EP  - 86
PB  - Science Publishing Group
SN  - 2330-8745
UR  - https://doi.org/10.11648/j.ajac.20190703.11
AB  - With an experimental setup of near-infrared process analytical chemistry, a competitive adsorption process of orthoxylene and aniline vapor onto silica gel has been revealed in the paper. The mixture vapor of orthoxylene and aniline has been introduced into a quartz adsorption bed, which was filled with adsorbent of silica gel and monitored continuously by a near-infrared spectrometer. Based on near-infrared spectra recorded during the adsorption process and chemometrics methodologies, the competitive adsorption process has been studied completely as well as clearly: 1) at about 62 minutes the adsorption achieved its equilibrium or stable state with aniline concentration of 0.22 g/g, and without any orthoxylene; 2) othoxylene was adsorbed first, but then rapidly replaced by aniline; 3) the adsorption of aniline resulted from the hydrogen bonds between aniline’s amino groups and silica gel’s silanol groups while that of orthoxylene was due to physical adsorption; 4) aniline was adsorbed vertically on the silica gel but orthoxylene laid evenly; 5) some surface of silica gel was more active for adsorption than others.
VL  - 7
IS  - 3
ER  -

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